/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-ext-properties/test-0504_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 05:20:30,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 05:20:30,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 05:20:30,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 05:20:30,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 05:20:30,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 05:20:30,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 05:20:30,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 05:20:30,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 05:20:30,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 05:20:30,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 05:20:30,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 05:20:30,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 05:20:30,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 05:20:30,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 05:20:30,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 05:20:30,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 05:20:30,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 05:20:30,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 05:20:30,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 05:20:30,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 05:20:30,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 05:20:30,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 05:20:30,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 05:20:30,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 05:20:30,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 05:20:30,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 05:20:30,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 05:20:30,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 05:20:30,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 05:20:30,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 05:20:30,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 05:20:30,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 05:20:30,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 05:20:30,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 05:20:30,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 05:20:30,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 05:20:30,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 05:20:30,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 05:20:30,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 05:20:30,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 05:20:30,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-01-07 05:20:30,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 05:20:30,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 05:20:30,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 05:20:30,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 05:20:30,542 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 05:20:30,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 05:20:30,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-01-07 05:20:30,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 05:20:30,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 05:20:30,543 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-01-07 05:20:30,544 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-01-07 05:20:30,545 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-01-07 05:20:30,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 05:20:30,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-01-07 05:20:30,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 05:20:30,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 05:20:30,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 05:20:30,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 05:20:30,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 05:20:30,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 05:20:30,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 05:20:30,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 05:20:30,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 05:20:30,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 05:20:30,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 05:20:30,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 05:20:30,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 05:20:30,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 05:20:30,980 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 05:20:30,980 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 05:20:30,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0504_1.i [2021-01-07 05:20:31,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6b8e74ed0/ae8c3feb317b45ba9a6939e97d24a310/FLAGbb27df261 [2021-01-07 05:20:31,771 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 05:20:31,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0504_1.i [2021-01-07 05:20:31,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6b8e74ed0/ae8c3feb317b45ba9a6939e97d24a310/FLAGbb27df261 [2021-01-07 05:20:31,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6b8e74ed0/ae8c3feb317b45ba9a6939e97d24a310 [2021-01-07 05:20:31,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 05:20:31,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 05:20:31,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 05:20:31,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 05:20:31,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 05:20:31,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:20:31" (1/1) ... [2021-01-07 05:20:31,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c86de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:31, skipping insertion in model container [2021-01-07 05:20:31,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:20:31" (1/1) ... [2021-01-07 05:20:31,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 05:20:32,059 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],StructAccessExpression[IdentifierExpression[~x~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~y~0,],base],StructAccessExpression[IdentifierExpression[~y~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem14,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem14,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~y~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~y~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~y~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~y~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],StructAccessExpression[IdentifierExpression[~x~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~c2~0,] left hand side expression in assignment: lhs: VariableLHS[~first~0,] left hand side expression in assignment: lhs: VariableLHS[~last~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~last~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[~last~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~last~0,] left hand side expression in assignment: lhs: VariableLHS[~first~0,] left hand side expression in assignment: lhs: VariableLHS[~y~1,] [2021-01-07 05:20:32,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:20:32,426 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],StructAccessExpression[IdentifierExpression[~x~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~y~0,],base],StructAccessExpression[IdentifierExpression[~y~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem14,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem14,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~y~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~y~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~y~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~y~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],StructAccessExpression[IdentifierExpression[~x~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~c2~0,] left hand side expression in assignment: lhs: VariableLHS[~first~0,] left hand side expression in assignment: lhs: VariableLHS[~last~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~last~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[~last~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~last~0,] left hand side expression in assignment: lhs: VariableLHS[~first~0,] left hand side expression in assignment: lhs: VariableLHS[~y~1,] [2021-01-07 05:20:32,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:20:32,556 INFO L208 MainTranslator]: Completed translation [2021-01-07 05:20:32,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32 WrapperNode [2021-01-07 05:20:32,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 05:20:32,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 05:20:32,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 05:20:32,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 05:20:32,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 05:20:32,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 05:20:32,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 05:20:32,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 05:20:32,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... [2021-01-07 05:20:32,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 05:20:32,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 05:20:32,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 05:20:32,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 05:20:32,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 05:20:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 05:20:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 05:20:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 05:20:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 05:20:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 05:20:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 05:20:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 05:20:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 05:20:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 05:20:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 05:20:33,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 05:20:33,299 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-01-07 05:20:33,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:20:33 BoogieIcfgContainer [2021-01-07 05:20:33,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 05:20:33,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 05:20:33,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 05:20:33,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 05:20:33,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 05:20:31" (1/3) ... [2021-01-07 05:20:33,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18af70b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:20:33, skipping insertion in model container [2021-01-07 05:20:33,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:20:32" (2/3) ... [2021-01-07 05:20:33,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18af70b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:20:33, skipping insertion in model container [2021-01-07 05:20:33,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:20:33" (3/3) ... [2021-01-07 05:20:33,309 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0504_1.i [2021-01-07 05:20:33,316 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 05:20:33,325 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2021-01-07 05:20:33,350 INFO L253 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-01-07 05:20:33,376 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 05:20:33,376 INFO L378 AbstractCegarLoop]: Hoare is false [2021-01-07 05:20:33,376 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 05:20:33,376 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 05:20:33,376 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 05:20:33,377 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 05:20:33,377 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 05:20:33,377 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 05:20:33,395 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2021-01-07 05:20:33,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-01-07 05:20:33,402 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:33,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-01-07 05:20:33,403 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:33,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:33,410 INFO L82 PathProgramCache]: Analyzing trace with hash 28793288, now seen corresponding path program 1 times [2021-01-07 05:20:33,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:33,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267029458] [2021-01-07 05:20:33,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:33,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267029458] [2021-01-07 05:20:33,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:33,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:20:33,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451188495] [2021-01-07 05:20:33,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 05:20:33,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:33,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 05:20:33,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 05:20:33,604 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2021-01-07 05:20:33,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:33,626 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2021-01-07 05:20:33,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 05:20:33,627 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2021-01-07 05:20:33,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:33,639 INFO L225 Difference]: With dead ends: 94 [2021-01-07 05:20:33,639 INFO L226 Difference]: Without dead ends: 92 [2021-01-07 05:20:33,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 05:20:33,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-01-07 05:20:33,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-01-07 05:20:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-01-07 05:20:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2021-01-07 05:20:33,684 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 99 transitions. Word has length 5 [2021-01-07 05:20:33,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:33,685 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 99 transitions. [2021-01-07 05:20:33,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 05:20:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2021-01-07 05:20:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-01-07 05:20:33,686 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:33,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:33,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 05:20:33,687 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:33,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1806850220, now seen corresponding path program 1 times [2021-01-07 05:20:33,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:33,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759676250] [2021-01-07 05:20:33,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:33,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759676250] [2021-01-07 05:20:33,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:33,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:20:33,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002916006] [2021-01-07 05:20:33,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:20:33,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:33,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:20:33,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:33,767 INFO L87 Difference]: Start difference. First operand 92 states and 99 transitions. Second operand 3 states. [2021-01-07 05:20:33,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:33,826 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions. [2021-01-07 05:20:33,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:20:33,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-01-07 05:20:33,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:33,831 INFO L225 Difference]: With dead ends: 99 [2021-01-07 05:20:33,831 INFO L226 Difference]: Without dead ends: 99 [2021-01-07 05:20:33,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:33,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-01-07 05:20:33,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2021-01-07 05:20:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2021-01-07 05:20:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2021-01-07 05:20:33,853 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 7 [2021-01-07 05:20:33,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:33,853 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2021-01-07 05:20:33,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:20:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2021-01-07 05:20:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-01-07 05:20:33,856 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:33,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:33,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 05:20:33,857 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:33,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849231, now seen corresponding path program 1 times [2021-01-07 05:20:33,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:33,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581871404] [2021-01-07 05:20:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:33,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581871404] [2021-01-07 05:20:33,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:33,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:20:33,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548579095] [2021-01-07 05:20:33,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:20:33,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:33,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:20:33,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:33,914 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 3 states. [2021-01-07 05:20:34,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:34,033 INFO L93 Difference]: Finished difference Result 121 states and 132 transitions. [2021-01-07 05:20:34,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:20:34,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-01-07 05:20:34,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:34,036 INFO L225 Difference]: With dead ends: 121 [2021-01-07 05:20:34,037 INFO L226 Difference]: Without dead ends: 121 [2021-01-07 05:20:34,037 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 [2021-01-07 05:20:34,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-01-07 05:20:34,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 88. [2021-01-07 05:20:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-01-07 05:20:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2021-01-07 05:20:34,047 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 7 [2021-01-07 05:20:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:34,047 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2021-01-07 05:20:34,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:20:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2021-01-07 05:20:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-01-07 05:20:34,048 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:34,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:34,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-07 05:20:34,049 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:34,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:34,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849232, now seen corresponding path program 1 times [2021-01-07 05:20:34,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:34,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300473407] [2021-01-07 05:20:34,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:34,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300473407] [2021-01-07 05:20:34,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:34,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:20:34,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168980527] [2021-01-07 05:20:34,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:20:34,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:34,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:20:34,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:34,107 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 3 states. [2021-01-07 05:20:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:34,209 INFO L93 Difference]: Finished difference Result 129 states and 145 transitions. [2021-01-07 05:20:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:20:34,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-01-07 05:20:34,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:34,212 INFO L225 Difference]: With dead ends: 129 [2021-01-07 05:20:34,212 INFO L226 Difference]: Without dead ends: 129 [2021-01-07 05:20:34,212 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 [2021-01-07 05:20:34,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-01-07 05:20:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 90. [2021-01-07 05:20:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-01-07 05:20:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-01-07 05:20:34,220 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 7 [2021-01-07 05:20:34,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:34,221 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-01-07 05:20:34,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:20:34,221 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-01-07 05:20:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 05:20:34,222 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:34,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:34,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-07 05:20:34,222 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:34,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:34,223 INFO L82 PathProgramCache]: Analyzing trace with hash 177781672, now seen corresponding path program 1 times [2021-01-07 05:20:34,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:34,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988399418] [2021-01-07 05:20:34,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:34,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988399418] [2021-01-07 05:20:34,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:34,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:20:34,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554264427] [2021-01-07 05:20:34,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:20:34,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:34,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:20:34,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:34,257 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2021-01-07 05:20:34,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:34,343 INFO L93 Difference]: Finished difference Result 92 states and 105 transitions. [2021-01-07 05:20:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:20:34,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2021-01-07 05:20:34,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:34,346 INFO L225 Difference]: With dead ends: 92 [2021-01-07 05:20:34,346 INFO L226 Difference]: Without dead ends: 89 [2021-01-07 05:20:34,346 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 [2021-01-07 05:20:34,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-01-07 05:20:34,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-01-07 05:20:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-01-07 05:20:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 102 transitions. [2021-01-07 05:20:34,367 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 102 transitions. Word has length 8 [2021-01-07 05:20:34,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:34,368 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 102 transitions. [2021-01-07 05:20:34,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:20:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2021-01-07 05:20:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-07 05:20:34,369 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:34,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:34,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-07 05:20:34,370 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:34,371 INFO L82 PathProgramCache]: Analyzing trace with hash 875833349, now seen corresponding path program 1 times [2021-01-07 05:20:34,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:34,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556087779] [2021-01-07 05:20:34,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:34,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556087779] [2021-01-07 05:20:34,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:34,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:20:34,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776603656] [2021-01-07 05:20:34,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 05:20:34,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:34,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 05:20:34,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 05:20:34,592 INFO L87 Difference]: Start difference. First operand 89 states and 102 transitions. Second operand 4 states. [2021-01-07 05:20:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:34,712 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2021-01-07 05:20:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 05:20:34,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2021-01-07 05:20:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:34,715 INFO L225 Difference]: With dead ends: 119 [2021-01-07 05:20:34,715 INFO L226 Difference]: Without dead ends: 119 [2021-01-07 05:20:34,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 05:20:34,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-01-07 05:20:34,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 79. [2021-01-07 05:20:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2021-01-07 05:20:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2021-01-07 05:20:34,727 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 17 [2021-01-07 05:20:34,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:34,728 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2021-01-07 05:20:34,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 05:20:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-01-07 05:20:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-07 05:20:34,729 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:34,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:34,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-07 05:20:34,730 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:34,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1380999357, now seen corresponding path program 1 times [2021-01-07 05:20:34,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:34,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427993442] [2021-01-07 05:20:34,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:34,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427993442] [2021-01-07 05:20:34,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:34,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:20:34,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319390836] [2021-01-07 05:20:34,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:20:34,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:34,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:20:34,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:34,795 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 3 states. [2021-01-07 05:20:34,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:34,807 INFO L93 Difference]: Finished difference Result 112 states and 122 transitions. [2021-01-07 05:20:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:20:34,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2021-01-07 05:20:34,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:34,808 INFO L225 Difference]: With dead ends: 112 [2021-01-07 05:20:34,809 INFO L226 Difference]: Without dead ends: 112 [2021-01-07 05:20:34,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:34,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-01-07 05:20:34,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 102. [2021-01-07 05:20:34,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-01-07 05:20:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 122 transitions. [2021-01-07 05:20:34,813 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 122 transitions. Word has length 18 [2021-01-07 05:20:34,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:34,813 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 122 transitions. [2021-01-07 05:20:34,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:20:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 122 transitions. [2021-01-07 05:20:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-07 05:20:34,815 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:34,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:34,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-07 05:20:34,815 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:34,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:34,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1381030048, now seen corresponding path program 1 times [2021-01-07 05:20:34,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:34,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666533920] [2021-01-07 05:20:34,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:34,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666533920] [2021-01-07 05:20:34,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:34,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:20:34,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956285134] [2021-01-07 05:20:34,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:20:34,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:34,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:20:34,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:34,873 INFO L87 Difference]: Start difference. First operand 102 states and 122 transitions. Second operand 3 states. [2021-01-07 05:20:34,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:34,935 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2021-01-07 05:20:34,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:20:34,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2021-01-07 05:20:34,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:34,936 INFO L225 Difference]: With dead ends: 98 [2021-01-07 05:20:34,936 INFO L226 Difference]: Without dead ends: 98 [2021-01-07 05:20:34,937 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 [2021-01-07 05:20:34,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-01-07 05:20:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-01-07 05:20:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2021-01-07 05:20:34,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 114 transitions. [2021-01-07 05:20:34,942 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 114 transitions. Word has length 18 [2021-01-07 05:20:34,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:34,942 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 114 transitions. [2021-01-07 05:20:34,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:20:34,942 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-01-07 05:20:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-07 05:20:34,943 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:34,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:34,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-07 05:20:34,944 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:34,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:34,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1381030049, now seen corresponding path program 1 times [2021-01-07 05:20:34,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:34,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454693326] [2021-01-07 05:20:34,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:34,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454693326] [2021-01-07 05:20:34,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:34,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:20:34,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456820567] [2021-01-07 05:20:34,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:20:34,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:34,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:20:34,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:20:34,992 INFO L87 Difference]: Start difference. First operand 98 states and 114 transitions. Second operand 3 states. [2021-01-07 05:20:35,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:35,039 INFO L93 Difference]: Finished difference Result 94 states and 106 transitions. [2021-01-07 05:20:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:20:35,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2021-01-07 05:20:35,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:35,041 INFO L225 Difference]: With dead ends: 94 [2021-01-07 05:20:35,041 INFO L226 Difference]: Without dead ends: 94 [2021-01-07 05:20:35,041 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 [2021-01-07 05:20:35,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-01-07 05:20:35,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-01-07 05:20:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-01-07 05:20:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2021-01-07 05:20:35,045 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 18 [2021-01-07 05:20:35,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:35,045 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2021-01-07 05:20:35,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:20:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2021-01-07 05:20:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-07 05:20:35,046 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:35,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:35,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-07 05:20:35,047 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:35,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:35,047 INFO L82 PathProgramCache]: Analyzing trace with hash 774470346, now seen corresponding path program 1 times [2021-01-07 05:20:35,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:35,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255321025] [2021-01-07 05:20:35,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:35,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255321025] [2021-01-07 05:20:35,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:35,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 05:20:35,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565608435] [2021-01-07 05:20:35,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 05:20:35,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:35,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 05:20:35,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-07 05:20:35,150 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand 6 states. [2021-01-07 05:20:35,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:35,338 INFO L93 Difference]: Finished difference Result 168 states and 190 transitions. [2021-01-07 05:20:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 05:20:35,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2021-01-07 05:20:35,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:35,342 INFO L225 Difference]: With dead ends: 168 [2021-01-07 05:20:35,342 INFO L226 Difference]: Without dead ends: 168 [2021-01-07 05:20:35,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-07 05:20:35,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-01-07 05:20:35,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 112. [2021-01-07 05:20:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-01-07 05:20:35,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2021-01-07 05:20:35,347 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 21 [2021-01-07 05:20:35,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:35,347 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2021-01-07 05:20:35,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 05:20:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2021-01-07 05:20:35,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-07 05:20:35,349 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:35,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:35,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-07 05:20:35,350 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:35,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:35,350 INFO L82 PathProgramCache]: Analyzing trace with hash 774470347, now seen corresponding path program 1 times [2021-01-07 05:20:35,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:35,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415758049] [2021-01-07 05:20:35,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:35,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415758049] [2021-01-07 05:20:35,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:35,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-07 05:20:35,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611112982] [2021-01-07 05:20:35,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 05:20:35,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:35,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 05:20:35,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-01-07 05:20:35,580 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 9 states. [2021-01-07 05:20:36,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:36,033 INFO L93 Difference]: Finished difference Result 225 states and 250 transitions. [2021-01-07 05:20:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-07 05:20:36,034 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-07 05:20:36,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:36,035 INFO L225 Difference]: With dead ends: 225 [2021-01-07 05:20:36,035 INFO L226 Difference]: Without dead ends: 225 [2021-01-07 05:20:36,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-01-07 05:20:36,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-01-07 05:20:36,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 112. [2021-01-07 05:20:36,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-01-07 05:20:36,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2021-01-07 05:20:36,040 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 21 [2021-01-07 05:20:36,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:36,041 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2021-01-07 05:20:36,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 05:20:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2021-01-07 05:20:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-07 05:20:36,042 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:36,042 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:36,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-07 05:20:36,042 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:36,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:36,043 INFO L82 PathProgramCache]: Analyzing trace with hash -181494867, now seen corresponding path program 1 times [2021-01-07 05:20:36,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:36,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487391787] [2021-01-07 05:20:36,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:36,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487391787] [2021-01-07 05:20:36,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:36,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:20:36,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889321899] [2021-01-07 05:20:36,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 05:20:36,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:36,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 05:20:36,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 05:20:36,075 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand 4 states. [2021-01-07 05:20:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:36,205 INFO L93 Difference]: Finished difference Result 146 states and 162 transitions. [2021-01-07 05:20:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 05:20:36,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2021-01-07 05:20:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:36,207 INFO L225 Difference]: With dead ends: 146 [2021-01-07 05:20:36,207 INFO L226 Difference]: Without dead ends: 146 [2021-01-07 05:20:36,207 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 [2021-01-07 05:20:36,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-01-07 05:20:36,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 114. [2021-01-07 05:20:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-01-07 05:20:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2021-01-07 05:20:36,211 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 22 [2021-01-07 05:20:36,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:36,211 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2021-01-07 05:20:36,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 05:20:36,211 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2021-01-07 05:20:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-07 05:20:36,212 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:36,212 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:36,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-07 05:20:36,213 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:36,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:36,213 INFO L82 PathProgramCache]: Analyzing trace with hash -181494866, now seen corresponding path program 1 times [2021-01-07 05:20:36,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:36,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349864822] [2021-01-07 05:20:36,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:36,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349864822] [2021-01-07 05:20:36,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:36,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:20:36,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263644842] [2021-01-07 05:20:36,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 05:20:36,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:36,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 05:20:36,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 05:20:36,257 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 4 states. [2021-01-07 05:20:36,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:36,387 INFO L93 Difference]: Finished difference Result 187 states and 217 transitions. [2021-01-07 05:20:36,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 05:20:36,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2021-01-07 05:20:36,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:36,389 INFO L225 Difference]: With dead ends: 187 [2021-01-07 05:20:36,389 INFO L226 Difference]: Without dead ends: 187 [2021-01-07 05:20:36,390 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 [2021-01-07 05:20:36,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-01-07 05:20:36,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 138. [2021-01-07 05:20:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-01-07 05:20:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 165 transitions. [2021-01-07 05:20:36,394 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 165 transitions. Word has length 22 [2021-01-07 05:20:36,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:36,395 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 165 transitions. [2021-01-07 05:20:36,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 05:20:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2021-01-07 05:20:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-07 05:20:36,396 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:36,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:36,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-07 05:20:36,396 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:36,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:36,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1331373881, now seen corresponding path program 1 times [2021-01-07 05:20:36,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:36,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399408359] [2021-01-07 05:20:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:36,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399408359] [2021-01-07 05:20:36,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092571042] [2021-01-07 05:20:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:36,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 05:20:36,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:36,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:20:36,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-01-07 05:20:36,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142189135] [2021-01-07 05:20:36,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 05:20:36,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:36,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 05:20:36,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:36,565 INFO L87 Difference]: Start difference. First operand 138 states and 165 transitions. Second operand 4 states. [2021-01-07 05:20:36,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:36,582 INFO L93 Difference]: Finished difference Result 138 states and 163 transitions. [2021-01-07 05:20:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 05:20:36,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2021-01-07 05:20:36,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:36,583 INFO L225 Difference]: With dead ends: 138 [2021-01-07 05:20:36,583 INFO L226 Difference]: Without dead ends: 138 [2021-01-07 05:20:36,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:36,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-01-07 05:20:36,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2021-01-07 05:20:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-01-07 05:20:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2021-01-07 05:20:36,588 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 23 [2021-01-07 05:20:36,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:36,588 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2021-01-07 05:20:36,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 05:20:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2021-01-07 05:20:36,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-07 05:20:36,589 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:36,589 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:36,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-07 05:20:36,804 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:36,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:36,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1677094766, now seen corresponding path program 1 times [2021-01-07 05:20:36,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:36,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640345422] [2021-01-07 05:20:36,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:36,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640345422] [2021-01-07 05:20:36,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:36,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 05:20:36,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578504048] [2021-01-07 05:20:36,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 05:20:36,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:36,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 05:20:36,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:36,843 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 5 states. [2021-01-07 05:20:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:37,027 INFO L93 Difference]: Finished difference Result 185 states and 211 transitions. [2021-01-07 05:20:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 05:20:37,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-01-07 05:20:37,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:37,029 INFO L225 Difference]: With dead ends: 185 [2021-01-07 05:20:37,029 INFO L226 Difference]: Without dead ends: 185 [2021-01-07 05:20:37,030 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 [2021-01-07 05:20:37,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-01-07 05:20:37,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 148. [2021-01-07 05:20:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-01-07 05:20:37,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 182 transitions. [2021-01-07 05:20:37,034 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 182 transitions. Word has length 24 [2021-01-07 05:20:37,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:37,034 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 182 transitions. [2021-01-07 05:20:37,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 05:20:37,035 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 182 transitions. [2021-01-07 05:20:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-07 05:20:37,035 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:37,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:37,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-07 05:20:37,036 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:37,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:37,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1677094767, now seen corresponding path program 1 times [2021-01-07 05:20:37,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:37,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625949938] [2021-01-07 05:20:37,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:37,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625949938] [2021-01-07 05:20:37,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:37,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 05:20:37,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115847146] [2021-01-07 05:20:37,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 05:20:37,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:37,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 05:20:37,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:37,087 INFO L87 Difference]: Start difference. First operand 148 states and 182 transitions. Second operand 5 states. [2021-01-07 05:20:37,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:37,307 INFO L93 Difference]: Finished difference Result 238 states and 293 transitions. [2021-01-07 05:20:37,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 05:20:37,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-01-07 05:20:37,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:37,309 INFO L225 Difference]: With dead ends: 238 [2021-01-07 05:20:37,310 INFO L226 Difference]: Without dead ends: 238 [2021-01-07 05:20:37,310 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 [2021-01-07 05:20:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-01-07 05:20:37,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 166. [2021-01-07 05:20:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-01-07 05:20:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 215 transitions. [2021-01-07 05:20:37,314 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 215 transitions. Word has length 24 [2021-01-07 05:20:37,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:37,315 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 215 transitions. [2021-01-07 05:20:37,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 05:20:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 215 transitions. [2021-01-07 05:20:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-07 05:20:37,315 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:37,316 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:37,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-07 05:20:37,316 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:37,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:37,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1024288817, now seen corresponding path program 1 times [2021-01-07 05:20:37,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:37,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317372191] [2021-01-07 05:20:37,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:37,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317372191] [2021-01-07 05:20:37,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:37,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-07 05:20:37,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045165569] [2021-01-07 05:20:37,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 05:20:37,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:37,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 05:20:37,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-01-07 05:20:37,399 INFO L87 Difference]: Start difference. First operand 166 states and 215 transitions. Second operand 8 states. [2021-01-07 05:20:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:37,786 INFO L93 Difference]: Finished difference Result 263 states and 324 transitions. [2021-01-07 05:20:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-07 05:20:37,787 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2021-01-07 05:20:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:37,789 INFO L225 Difference]: With dead ends: 263 [2021-01-07 05:20:37,789 INFO L226 Difference]: Without dead ends: 263 [2021-01-07 05:20:37,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2021-01-07 05:20:37,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-01-07 05:20:37,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 176. [2021-01-07 05:20:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-01-07 05:20:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 229 transitions. [2021-01-07 05:20:37,796 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 229 transitions. Word has length 27 [2021-01-07 05:20:37,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:37,796 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 229 transitions. [2021-01-07 05:20:37,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 05:20:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 229 transitions. [2021-01-07 05:20:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-07 05:20:37,797 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:37,797 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:37,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-07 05:20:37,797 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:37,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:37,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1024288816, now seen corresponding path program 1 times [2021-01-07 05:20:37,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:37,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869970541] [2021-01-07 05:20:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:37,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869970541] [2021-01-07 05:20:37,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:37,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-07 05:20:37,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354566079] [2021-01-07 05:20:37,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 05:20:37,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:37,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 05:20:37,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-07 05:20:37,873 INFO L87 Difference]: Start difference. First operand 176 states and 229 transitions. Second operand 7 states. [2021-01-07 05:20:38,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:38,154 INFO L93 Difference]: Finished difference Result 238 states and 303 transitions. [2021-01-07 05:20:38,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-07 05:20:38,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2021-01-07 05:20:38,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:38,157 INFO L225 Difference]: With dead ends: 238 [2021-01-07 05:20:38,157 INFO L226 Difference]: Without dead ends: 238 [2021-01-07 05:20:38,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-01-07 05:20:38,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-01-07 05:20:38,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 175. [2021-01-07 05:20:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2021-01-07 05:20:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 226 transitions. [2021-01-07 05:20:38,166 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 226 transitions. Word has length 27 [2021-01-07 05:20:38,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:38,167 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 226 transitions. [2021-01-07 05:20:38,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 05:20:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 226 transitions. [2021-01-07 05:20:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-07 05:20:38,167 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:38,168 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:38,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-07 05:20:38,168 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:38,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:38,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1688183339, now seen corresponding path program 1 times [2021-01-07 05:20:38,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:38,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782943893] [2021-01-07 05:20:38,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:38,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782943893] [2021-01-07 05:20:38,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:38,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 05:20:38,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319071588] [2021-01-07 05:20:38,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 05:20:38,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:38,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 05:20:38,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:38,235 INFO L87 Difference]: Start difference. First operand 175 states and 226 transitions. Second operand 5 states. [2021-01-07 05:20:38,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:38,396 INFO L93 Difference]: Finished difference Result 205 states and 261 transitions. [2021-01-07 05:20:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 05:20:38,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-01-07 05:20:38,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:38,398 INFO L225 Difference]: With dead ends: 205 [2021-01-07 05:20:38,398 INFO L226 Difference]: Without dead ends: 205 [2021-01-07 05:20:38,399 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 [2021-01-07 05:20:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-01-07 05:20:38,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 193. [2021-01-07 05:20:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2021-01-07 05:20:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 261 transitions. [2021-01-07 05:20:38,404 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 261 transitions. Word has length 28 [2021-01-07 05:20:38,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:38,404 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 261 transitions. [2021-01-07 05:20:38,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 05:20:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 261 transitions. [2021-01-07 05:20:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-07 05:20:38,405 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:38,405 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:38,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-07 05:20:38,405 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:38,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:38,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1397370251, now seen corresponding path program 1 times [2021-01-07 05:20:38,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:38,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989390535] [2021-01-07 05:20:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:38,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989390535] [2021-01-07 05:20:38,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262114042] [2021-01-07 05:20:38,447 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 [2021-01-07 05:20:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:38,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 05:20:38,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:38,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:20:38,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-01-07 05:20:38,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29002779] [2021-01-07 05:20:38,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 05:20:38,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:38,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 05:20:38,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:38,552 INFO L87 Difference]: Start difference. First operand 193 states and 261 transitions. Second operand 5 states. [2021-01-07 05:20:38,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:38,582 INFO L93 Difference]: Finished difference Result 247 states and 325 transitions. [2021-01-07 05:20:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 05:20:38,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-01-07 05:20:38,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:38,584 INFO L225 Difference]: With dead ends: 247 [2021-01-07 05:20:38,584 INFO L226 Difference]: Without dead ends: 247 [2021-01-07 05:20:38,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:38,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-01-07 05:20:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 231. [2021-01-07 05:20:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2021-01-07 05:20:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 323 transitions. [2021-01-07 05:20:38,592 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 323 transitions. Word has length 31 [2021-01-07 05:20:38,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:38,592 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 323 transitions. [2021-01-07 05:20:38,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 05:20:38,592 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 323 transitions. [2021-01-07 05:20:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-07 05:20:38,593 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:38,593 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:38,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:38,808 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:38,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:38,810 INFO L82 PathProgramCache]: Analyzing trace with hash 368804521, now seen corresponding path program 1 times [2021-01-07 05:20:38,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:38,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930402995] [2021-01-07 05:20:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:38,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930402995] [2021-01-07 05:20:38,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388761232] [2021-01-07 05:20:38,876 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 [2021-01-07 05:20:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:38,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2021-01-07 05:20:38,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:39,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:20:39,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-01-07 05:20:39,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99187899] [2021-01-07 05:20:39,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-07 05:20:39,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:39,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-07 05:20:39,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-01-07 05:20:39,100 INFO L87 Difference]: Start difference. First operand 231 states and 323 transitions. Second operand 10 states. [2021-01-07 05:20:39,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:39,496 INFO L93 Difference]: Finished difference Result 236 states and 327 transitions. [2021-01-07 05:20:39,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 05:20:39,496 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2021-01-07 05:20:39,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:39,498 INFO L225 Difference]: With dead ends: 236 [2021-01-07 05:20:39,498 INFO L226 Difference]: Without dead ends: 224 [2021-01-07 05:20:39,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-01-07 05:20:39,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-01-07 05:20:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2021-01-07 05:20:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2021-01-07 05:20:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 315 transitions. [2021-01-07 05:20:39,504 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 315 transitions. Word has length 32 [2021-01-07 05:20:39,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:39,504 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 315 transitions. [2021-01-07 05:20:39,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-07 05:20:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 315 transitions. [2021-01-07 05:20:39,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-07 05:20:39,505 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:39,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-01-07 05:20:39,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:39,720 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:39,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:39,721 INFO L82 PathProgramCache]: Analyzing trace with hash -917642468, now seen corresponding path program 1 times [2021-01-07 05:20:39,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:39,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548090368] [2021-01-07 05:20:39,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:39,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548090368] [2021-01-07 05:20:39,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160590565] [2021-01-07 05:20:39,825 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 [2021-01-07 05:20:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:39,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 05:20:39,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:39,939 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 [2021-01-07 05:20:39,940 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:39,942 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:39,943 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:39,943 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 05:20:39,977 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:39,978 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 [2021-01-07 05:20:39,980 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:39,993 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2021-01-07 05:20:39,995 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. [2021-01-07 05:20:39,996 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2021-01-07 05:20:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:40,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:20:40,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2021-01-07 05:20:40,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533588321] [2021-01-07 05:20:40,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 05:20:40,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:40,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 05:20:40,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:40,016 INFO L87 Difference]: Start difference. First operand 224 states and 315 transitions. Second operand 5 states. [2021-01-07 05:20:40,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:40,142 INFO L93 Difference]: Finished difference Result 245 states and 332 transitions. [2021-01-07 05:20:40,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 05:20:40,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-07 05:20:40,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:40,144 INFO L225 Difference]: With dead ends: 245 [2021-01-07 05:20:40,144 INFO L226 Difference]: Without dead ends: 245 [2021-01-07 05:20:40,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-07 05:20:40,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-01-07 05:20:40,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 223. [2021-01-07 05:20:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2021-01-07 05:20:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 313 transitions. [2021-01-07 05:20:40,150 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 313 transitions. Word has length 33 [2021-01-07 05:20:40,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:40,150 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 313 transitions. [2021-01-07 05:20:40,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 05:20:40,151 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 313 transitions. [2021-01-07 05:20:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-07 05:20:40,151 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:40,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-01-07 05:20:40,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:40,367 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:40,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:40,368 INFO L82 PathProgramCache]: Analyzing trace with hash -917642467, now seen corresponding path program 1 times [2021-01-07 05:20:40,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:40,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92003193] [2021-01-07 05:20:40,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:40,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92003193] [2021-01-07 05:20:40,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043475884] [2021-01-07 05:20:40,426 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 [2021-01-07 05:20:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:40,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 16 conjunts are in the unsatisfiable core [2021-01-07 05:20:40,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:40,520 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 [2021-01-07 05:20:40,521 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:40,524 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:40,525 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:40,525 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-01-07 05:20:40,567 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:40,567 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 [2021-01-07 05:20:40,569 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:40,582 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2021-01-07 05:20:40,582 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:40,583 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2021-01-07 05:20:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:40,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:20:40,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6] total 6 [2021-01-07 05:20:40,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627395677] [2021-01-07 05:20:40,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 05:20:40,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:40,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 05:20:40,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-07 05:20:40,651 INFO L87 Difference]: Start difference. First operand 223 states and 313 transitions. Second operand 7 states. [2021-01-07 05:20:40,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:40,807 INFO L93 Difference]: Finished difference Result 308 states and 431 transitions. [2021-01-07 05:20:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 05:20:40,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2021-01-07 05:20:40,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:40,809 INFO L225 Difference]: With dead ends: 308 [2021-01-07 05:20:40,809 INFO L226 Difference]: Without dead ends: 308 [2021-01-07 05:20:40,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-01-07 05:20:40,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-01-07 05:20:40,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 242. [2021-01-07 05:20:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2021-01-07 05:20:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 337 transitions. [2021-01-07 05:20:40,817 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 337 transitions. Word has length 33 [2021-01-07 05:20:40,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:40,817 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 337 transitions. [2021-01-07 05:20:40,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 05:20:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 337 transitions. [2021-01-07 05:20:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-07 05:20:40,818 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:40,818 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:41,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-01-07 05:20:41,033 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:41,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:41,033 INFO L82 PathProgramCache]: Analyzing trace with hash -499896363, now seen corresponding path program 1 times [2021-01-07 05:20:41,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:41,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595498] [2021-01-07 05:20:41,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:41,057 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:41,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956266616] [2021-01-07 05:20:41,057 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 [2021-01-07 05:20:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:41,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-07 05:20:41,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:41,156 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 [2021-01-07 05:20:41,156 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,158 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,158 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,158 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 05:20:41,172 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:41,173 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,176 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,177 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,177 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-01-07 05:20:41,200 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,200 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 16 treesize of output 44 [2021-01-07 05:20:41,202 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,213 INFO L625 ElimStorePlain]: treesize reduction 26, result has 36.6 percent of original size [2021-01-07 05:20:41,214 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,215 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2021-01-07 05:20:41,277 INFO L348 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-01-07 05:20:41,278 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-01-07 05:20:41,279 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,285 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,287 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. [2021-01-07 05:20:41,288 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2021-01-07 05:20:41,348 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,348 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2021-01-07 05:20:41,350 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,354 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,356 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:20:41,356 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:33, output treesize:11 [2021-01-07 05:20:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:41,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595498] [2021-01-07 05:20:41,373 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:41,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956266616] [2021-01-07 05:20:41,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:20:41,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-01-07 05:20:41,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98494166] [2021-01-07 05:20:41,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 05:20:41,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:41,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 05:20:41,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-01-07 05:20:41,375 INFO L87 Difference]: Start difference. First operand 242 states and 337 transitions. Second operand 8 states. [2021-01-07 05:20:41,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:41,599 INFO L93 Difference]: Finished difference Result 261 states and 354 transitions. [2021-01-07 05:20:41,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-07 05:20:41,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2021-01-07 05:20:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:41,601 INFO L225 Difference]: With dead ends: 261 [2021-01-07 05:20:41,601 INFO L226 Difference]: Without dead ends: 261 [2021-01-07 05:20:41,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-01-07 05:20:41,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-01-07 05:20:41,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 241. [2021-01-07 05:20:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2021-01-07 05:20:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 335 transitions. [2021-01-07 05:20:41,607 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 335 transitions. Word has length 35 [2021-01-07 05:20:41,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:41,608 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 335 transitions. [2021-01-07 05:20:41,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 05:20:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2021-01-07 05:20:41,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-07 05:20:41,608 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:41,609 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:41,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:41,810 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:41,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:41,811 INFO L82 PathProgramCache]: Analyzing trace with hash -499896362, now seen corresponding path program 1 times [2021-01-07 05:20:41,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:41,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848265631] [2021-01-07 05:20:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:41,823 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:41,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686877868] [2021-01-07 05:20:41,823 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 [2021-01-07 05:20:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:41,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 21 conjunts are in the unsatisfiable core [2021-01-07 05:20:41,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:41,913 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 [2021-01-07 05:20:41,914 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,916 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,916 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,917 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 05:20:41,960 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:41,961 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,969 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,973 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:41,973 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,981 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:41,983 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:41,983 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:38, output treesize:32 [2021-01-07 05:20:42,037 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:42,037 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 31 treesize of output 53 [2021-01-07 05:20:42,042 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:42,059 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2021-01-07 05:20:42,060 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:42,060 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:29 [2021-01-07 05:20:42,125 INFO L348 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-01-07 05:20:42,125 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-01-07 05:20:42,128 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:42,139 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:42,154 INFO L348 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-01-07 05:20:42,154 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2021-01-07 05:20:42,156 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:42,166 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:42,168 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. [2021-01-07 05:20:42,168 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:51 [2021-01-07 05:20:42,251 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:42,252 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2021-01-07 05:20:42,253 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:42,262 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:42,269 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:42,269 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2021-01-07 05:20:42,272 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:42,278 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:42,279 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 1 xjuncts. [2021-01-07 05:20:42,279 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:65, output treesize:17 [2021-01-07 05:20:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:42,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848265631] [2021-01-07 05:20:42,303 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:42,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686877868] [2021-01-07 05:20:42,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:20:42,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-01-07 05:20:42,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113777284] [2021-01-07 05:20:42,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-07 05:20:42,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:42,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-07 05:20:42,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-01-07 05:20:42,305 INFO L87 Difference]: Start difference. First operand 241 states and 335 transitions. Second operand 10 states. [2021-01-07 05:20:42,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:42,787 INFO L93 Difference]: Finished difference Result 317 states and 440 transitions. [2021-01-07 05:20:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-07 05:20:42,788 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2021-01-07 05:20:42,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:42,790 INFO L225 Difference]: With dead ends: 317 [2021-01-07 05:20:42,790 INFO L226 Difference]: Without dead ends: 317 [2021-01-07 05:20:42,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-01-07 05:20:42,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-01-07 05:20:42,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 228. [2021-01-07 05:20:42,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-01-07 05:20:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 321 transitions. [2021-01-07 05:20:42,797 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 321 transitions. Word has length 35 [2021-01-07 05:20:42,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:42,797 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 321 transitions. [2021-01-07 05:20:42,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-07 05:20:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 321 transitions. [2021-01-07 05:20:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-07 05:20:42,798 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:42,798 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:43,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-01-07 05:20:43,014 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:43,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:43,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1032157181, now seen corresponding path program 1 times [2021-01-07 05:20:43,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:43,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254929542] [2021-01-07 05:20:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:43,028 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:43,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [816532550] [2021-01-07 05:20:43,028 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 [2021-01-07 05:20:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:43,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjunts are in the unsatisfiable core [2021-01-07 05:20:43,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:43,131 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:43,131 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,138 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:43,139 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,139 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2021-01-07 05:20:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,160 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 21 treesize of output 20 [2021-01-07 05:20:43,162 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:43,171 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,171 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2021-01-07 05:20:43,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,228 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 36 treesize of output 23 [2021-01-07 05:20:43,230 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,239 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:43,240 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,240 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:32 [2021-01-07 05:20:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,268 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 14 treesize of output 16 [2021-01-07 05:20:43,270 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,283 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:43,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,289 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:43,292 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,301 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:43,302 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,302 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:32 [2021-01-07 05:20:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,362 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 0 case distinctions, treesize of input 32 treesize of output 30 [2021-01-07 05:20:43,365 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,375 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:43,376 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,376 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2021-01-07 05:20:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:43,425 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2021-01-07 05:20:43,427 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:43,433 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:43,434 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:20:43,434 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:16 [2021-01-07 05:20:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:43,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254929542] [2021-01-07 05:20:43,533 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:43,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816532550] [2021-01-07 05:20:43,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:20:43,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-01-07 05:20:43,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897854365] [2021-01-07 05:20:43,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-07 05:20:43,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:43,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-07 05:20:43,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-07 05:20:43,535 INFO L87 Difference]: Start difference. First operand 228 states and 321 transitions. Second operand 11 states. [2021-01-07 05:20:44,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:44,108 INFO L93 Difference]: Finished difference Result 344 states and 458 transitions. [2021-01-07 05:20:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-07 05:20:44,109 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2021-01-07 05:20:44,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:44,111 INFO L225 Difference]: With dead ends: 344 [2021-01-07 05:20:44,111 INFO L226 Difference]: Without dead ends: 344 [2021-01-07 05:20:44,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-01-07 05:20:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-01-07 05:20:44,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 233. [2021-01-07 05:20:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2021-01-07 05:20:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 327 transitions. [2021-01-07 05:20:44,118 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 327 transitions. Word has length 36 [2021-01-07 05:20:44,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:44,118 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 327 transitions. [2021-01-07 05:20:44,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-07 05:20:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 327 transitions. [2021-01-07 05:20:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-01-07 05:20:44,119 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:44,119 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:44,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-01-07 05:20:44,333 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:44,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:44,334 INFO L82 PathProgramCache]: Analyzing trace with hash 234396292, now seen corresponding path program 1 times [2021-01-07 05:20:44,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:44,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952286881] [2021-01-07 05:20:44,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:44,347 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:44,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585621555] [2021-01-07 05:20:44,347 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:44,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 12 conjunts are in the unsatisfiable core [2021-01-07 05:20:44,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-07 05:20:44,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952286881] [2021-01-07 05:20:44,469 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:44,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585621555] [2021-01-07 05:20:44,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:44,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 05:20:44,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037336428] [2021-01-07 05:20:44,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 05:20:44,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:44,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 05:20:44,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-07 05:20:44,470 INFO L87 Difference]: Start difference. First operand 233 states and 327 transitions. Second operand 6 states. [2021-01-07 05:20:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:44,653 INFO L93 Difference]: Finished difference Result 249 states and 332 transitions. [2021-01-07 05:20:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 05:20:44,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2021-01-07 05:20:44,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:44,655 INFO L225 Difference]: With dead ends: 249 [2021-01-07 05:20:44,655 INFO L226 Difference]: Without dead ends: 249 [2021-01-07 05:20:44,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-01-07 05:20:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-01-07 05:20:44,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 233. [2021-01-07 05:20:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2021-01-07 05:20:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 325 transitions. [2021-01-07 05:20:44,661 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 325 transitions. Word has length 38 [2021-01-07 05:20:44,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:44,661 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 325 transitions. [2021-01-07 05:20:44,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 05:20:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 325 transitions. [2021-01-07 05:20:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-07 05:20:44,662 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:44,662 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:44,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-01-07 05:20:44,877 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:44,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:44,878 INFO L82 PathProgramCache]: Analyzing trace with hash -716826511, now seen corresponding path program 1 times [2021-01-07 05:20:44,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:44,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414513060] [2021-01-07 05:20:44,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:44,898 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:44,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1955333964] [2021-01-07 05:20:44,899 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:44,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 05:20:44,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-07 05:20:45,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414513060] [2021-01-07 05:20:45,032 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:45,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955333964] [2021-01-07 05:20:45,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:45,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 05:20:45,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232678363] [2021-01-07 05:20:45,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 05:20:45,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:45,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 05:20:45,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-07 05:20:45,034 INFO L87 Difference]: Start difference. First operand 233 states and 325 transitions. Second operand 6 states. [2021-01-07 05:20:45,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:45,128 INFO L93 Difference]: Finished difference Result 241 states and 321 transitions. [2021-01-07 05:20:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 05:20:45,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2021-01-07 05:20:45,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:45,130 INFO L225 Difference]: With dead ends: 241 [2021-01-07 05:20:45,130 INFO L226 Difference]: Without dead ends: 241 [2021-01-07 05:20:45,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-01-07 05:20:45,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-01-07 05:20:45,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 213. [2021-01-07 05:20:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2021-01-07 05:20:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 286 transitions. [2021-01-07 05:20:45,136 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 286 transitions. Word has length 41 [2021-01-07 05:20:45,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:45,136 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 286 transitions. [2021-01-07 05:20:45,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 05:20:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 286 transitions. [2021-01-07 05:20:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-07 05:20:45,137 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:45,137 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:45,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-01-07 05:20:45,351 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:45,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:45,352 INFO L82 PathProgramCache]: Analyzing trace with hash -716826470, now seen corresponding path program 1 times [2021-01-07 05:20:45,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:45,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491304160] [2021-01-07 05:20:45,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:45,376 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:45,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2071177423] [2021-01-07 05:20:45,377 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:45,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 20 conjunts are in the unsatisfiable core [2021-01-07 05:20:45,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:45,476 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 [2021-01-07 05:20:45,477 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:45,482 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:45,482 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:45,482 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-01-07 05:20:45,510 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:45,511 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:45,515 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:45,516 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:45,516 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2021-01-07 05:20:45,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:20:45,606 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:45,606 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2021-01-07 05:20:45,607 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:45,613 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:45,615 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:45,615 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:5 [2021-01-07 05:20:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:45,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491304160] [2021-01-07 05:20:45,637 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:45,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071177423] [2021-01-07 05:20:45,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:45,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-07 05:20:45,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219868063] [2021-01-07 05:20:45,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 05:20:45,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:45,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 05:20:45,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-01-07 05:20:45,639 INFO L87 Difference]: Start difference. First operand 213 states and 286 transitions. Second operand 9 states. [2021-01-07 05:20:46,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:46,094 INFO L93 Difference]: Finished difference Result 266 states and 342 transitions. [2021-01-07 05:20:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-07 05:20:46,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2021-01-07 05:20:46,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:46,096 INFO L225 Difference]: With dead ends: 266 [2021-01-07 05:20:46,096 INFO L226 Difference]: Without dead ends: 266 [2021-01-07 05:20:46,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2021-01-07 05:20:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-01-07 05:20:46,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 222. [2021-01-07 05:20:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2021-01-07 05:20:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 299 transitions. [2021-01-07 05:20:46,104 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 299 transitions. Word has length 41 [2021-01-07 05:20:46,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:46,104 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 299 transitions. [2021-01-07 05:20:46,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 05:20:46,104 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 299 transitions. [2021-01-07 05:20:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-07 05:20:46,105 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:46,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:46,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-01-07 05:20:46,319 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:46,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:46,320 INFO L82 PathProgramCache]: Analyzing trace with hash -716826469, now seen corresponding path program 1 times [2021-01-07 05:20:46,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:46,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982826298] [2021-01-07 05:20:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:46,333 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:46,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468276205] [2021-01-07 05:20:46,333 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:46,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 31 conjunts are in the unsatisfiable core [2021-01-07 05:20:46,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:46,476 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 [2021-01-07 05:20:46,477 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:46,483 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:46,483 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:46,484 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2021-01-07 05:20:46,546 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:46,546 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:46,558 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:46,567 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:46,568 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:46,579 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:46,582 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:46,582 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:30 [2021-01-07 05:20:46,663 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 17 treesize of output 9 [2021-01-07 05:20:46,663 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:46,673 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:46,675 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 22 treesize of output 10 [2021-01-07 05:20:46,676 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:46,682 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:46,685 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:46,685 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:12 [2021-01-07 05:20:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:46,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982826298] [2021-01-07 05:20:46,727 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:46,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468276205] [2021-01-07 05:20:46,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:46,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-07 05:20:46,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673629692] [2021-01-07 05:20:46,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-07 05:20:46,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:46,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-07 05:20:46,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-01-07 05:20:46,729 INFO L87 Difference]: Start difference. First operand 222 states and 299 transitions. Second operand 11 states. [2021-01-07 05:20:47,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:47,374 INFO L93 Difference]: Finished difference Result 322 states and 414 transitions. [2021-01-07 05:20:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-07 05:20:47,375 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2021-01-07 05:20:47,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:47,376 INFO L225 Difference]: With dead ends: 322 [2021-01-07 05:20:47,377 INFO L226 Difference]: Without dead ends: 322 [2021-01-07 05:20:47,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2021-01-07 05:20:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-01-07 05:20:47,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 222. [2021-01-07 05:20:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2021-01-07 05:20:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 297 transitions. [2021-01-07 05:20:47,386 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 297 transitions. Word has length 41 [2021-01-07 05:20:47,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:47,386 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 297 transitions. [2021-01-07 05:20:47,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-07 05:20:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 297 transitions. [2021-01-07 05:20:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-07 05:20:47,387 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:47,387 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:47,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:47,589 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:47,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:47,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1675466949, now seen corresponding path program 1 times [2021-01-07 05:20:47,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:47,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289602073] [2021-01-07 05:20:47,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:47,603 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:47,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [242151233] [2021-01-07 05:20:47,603 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:47,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 05:20:47,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:47,725 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 7 treesize of output 3 [2021-01-07 05:20:47,726 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:47,726 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:47,727 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:47,727 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:7, output treesize:1 [2021-01-07 05:20:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-07 05:20:47,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289602073] [2021-01-07 05:20:47,736 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:47,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242151233] [2021-01-07 05:20:47,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:47,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:20:47,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010537805] [2021-01-07 05:20:47,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 05:20:47,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:47,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 05:20:47,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 05:20:47,738 INFO L87 Difference]: Start difference. First operand 222 states and 297 transitions. Second operand 4 states. [2021-01-07 05:20:47,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:47,800 INFO L93 Difference]: Finished difference Result 244 states and 320 transitions. [2021-01-07 05:20:47,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 05:20:47,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2021-01-07 05:20:47,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:47,802 INFO L225 Difference]: With dead ends: 244 [2021-01-07 05:20:47,802 INFO L226 Difference]: Without dead ends: 244 [2021-01-07 05:20:47,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:20:47,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-01-07 05:20:47,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 220. [2021-01-07 05:20:47,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-01-07 05:20:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 288 transitions. [2021-01-07 05:20:47,807 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 288 transitions. Word has length 43 [2021-01-07 05:20:47,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:47,808 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 288 transitions. [2021-01-07 05:20:47,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 05:20:47,808 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 288 transitions. [2021-01-07 05:20:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-07 05:20:47,808 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:47,809 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:48,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-01-07 05:20:48,023 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:48,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:48,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1675466948, now seen corresponding path program 1 times [2021-01-07 05:20:48,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:48,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109498103] [2021-01-07 05:20:48,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:48,036 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:20:48,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985068921] [2021-01-07 05:20:48,036 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:48,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 33 conjunts are in the unsatisfiable core [2021-01-07 05:20:48,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:48,185 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:48,186 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:48,199 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:48,202 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:48,203 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:48,216 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:48,217 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:48,217 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:36 [2021-01-07 05:20:48,298 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 23 treesize of output 15 [2021-01-07 05:20:48,299 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:48,311 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:48,313 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 33 treesize of output 17 [2021-01-07 05:20:48,314 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:48,322 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:48,324 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:48,324 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:50, output treesize:14 [2021-01-07 05:20:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:48,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109498103] [2021-01-07 05:20:48,423 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:20:48,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985068921] [2021-01-07 05:20:48,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:20:48,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-01-07 05:20:48,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794669604] [2021-01-07 05:20:48,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-01-07 05:20:48,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:48,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-01-07 05:20:48,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-01-07 05:20:48,425 INFO L87 Difference]: Start difference. First operand 220 states and 288 transitions. Second operand 14 states. [2021-01-07 05:20:49,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:20:49,880 INFO L93 Difference]: Finished difference Result 379 states and 471 transitions. [2021-01-07 05:20:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-07 05:20:49,881 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 43 [2021-01-07 05:20:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:20:49,883 INFO L225 Difference]: With dead ends: 379 [2021-01-07 05:20:49,883 INFO L226 Difference]: Without dead ends: 379 [2021-01-07 05:20:49,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2021-01-07 05:20:49,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2021-01-07 05:20:49,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 228. [2021-01-07 05:20:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-01-07 05:20:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 298 transitions. [2021-01-07 05:20:49,890 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 298 transitions. Word has length 43 [2021-01-07 05:20:49,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:20:49,890 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 298 transitions. [2021-01-07 05:20:49,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-01-07 05:20:49,891 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 298 transitions. [2021-01-07 05:20:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-07 05:20:49,891 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:20:49,891 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:20:50,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:50,107 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:20:50,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:20:50,107 INFO L82 PathProgramCache]: Analyzing trace with hash 829486443, now seen corresponding path program 1 times [2021-01-07 05:20:50,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:20:50,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875826514] [2021-01-07 05:20:50,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:20:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:50,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875826514] [2021-01-07 05:20:50,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861559218] [2021-01-07 05:20:50,483 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:20:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:20:50,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 36 conjunts are in the unsatisfiable core [2021-01-07 05:20:50,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:20:50,569 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 [2021-01-07 05:20:50,570 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,573 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:50,573 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,573 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-01-07 05:20:50,593 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:20:50,594 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,600 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:50,600 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,601 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2021-01-07 05:20:50,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:50,627 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 21 treesize of output 20 [2021-01-07 05:20:50,628 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,636 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:50,637 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,637 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2021-01-07 05:20:50,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:50,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:50,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:50,670 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 36 treesize of output 23 [2021-01-07 05:20:50,671 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,679 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:50,680 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,680 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:28 [2021-01-07 05:20:50,737 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:50,737 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2021-01-07 05:20:50,740 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:20:50,746 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,760 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:50,761 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,761 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:40 [2021-01-07 05:20:50,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:50,835 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 0 case distinctions, treesize of input 30 treesize of output 32 [2021-01-07 05:20:50,837 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,854 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:50,854 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,855 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:49 [2021-01-07 05:20:50,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:50,921 INFO L348 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-01-07 05:20:50,921 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 39 treesize of output 44 [2021-01-07 05:20:50,923 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,940 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:50,941 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:50,941 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2021-01-07 05:20:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,022 INFO L348 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2021-01-07 05:20:51,022 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-01-07 05:20:51,024 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:51,048 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:51,049 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:51,049 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:65 [2021-01-07 05:20:51,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,139 INFO L348 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-01-07 05:20:51,140 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 66 [2021-01-07 05:20:51,142 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:51,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:51,171 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:51,172 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:74 [2021-01-07 05:20:51,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,289 INFO L348 Elim1Store]: treesize reduction 188, result has 15.7 percent of original size [2021-01-07 05:20:51,289 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 69 [2021-01-07 05:20:51,292 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:51,320 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:51,321 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:20:51,322 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:74 [2021-01-07 05:20:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,396 INFO L348 Elim1Store]: treesize reduction 66, result has 48.8 percent of original size [2021-01-07 05:20:51,396 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 124 [2021-01-07 05:20:51,399 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:51,490 INFO L625 ElimStorePlain]: treesize reduction 30, result has 76.0 percent of original size [2021-01-07 05:20:51,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:20:51,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:20:51,493 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. [2021-01-07 05:20:51,493 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:87, output treesize:95 [2021-01-07 05:20:51,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:20:51,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:20:51,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:20:51,597 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 05:20:51,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:20:51,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 05:20:51,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:51,980 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-01-07 05:20:51,990 INFO L348 Elim1Store]: treesize reduction 22, result has 93.2 percent of original size [2021-01-07 05:20:51,991 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 133 treesize of output 364 [2021-01-07 05:20:51,998 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2021-01-07 05:20:51,999 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2021-01-07 05:20:52,005 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:52,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,155 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:52,155 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 124 treesize of output 256 [2021-01-07 05:20:52,184 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2021-01-07 05:20:52,185 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:20:52,187 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:52,291 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:52,292 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 106 treesize of output 256 [2021-01-07 05:20:52,298 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2021-01-07 05:20:52,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:20:52,301 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:52,371 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:20:52,376 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2021-01-07 05:20:52,376 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:397, output treesize:326 [2021-01-07 05:20:54,814 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:20:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:54,969 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2021-01-07 05:20:54,970 INFO L348 Elim1Store]: treesize reduction 66, result has 63.9 percent of original size [2021-01-07 05:20:54,970 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 92 treesize of output 147 [2021-01-07 05:20:54,973 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:20:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:55,221 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 79 [2021-01-07 05:20:55,222 INFO L348 Elim1Store]: treesize reduction 66, result has 75.3 percent of original size [2021-01-07 05:20:55,222 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 115 treesize of output 234 [2021-01-07 05:20:55,229 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:20:55,230 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:20:55,231 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:20:55,235 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:20:55,236 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:20:55,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:20:55,237 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:20:55,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:20:55,243 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:20:55,244 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:20:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:20:55,359 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2021-01-07 05:20:55,359 INFO L348 Elim1Store]: treesize reduction 66, result has 63.9 percent of original size [2021-01-07 05:20:55,360 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 106 treesize of output 147 [2021-01-07 05:20:55,364 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:20:55,365 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:20:55,366 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:20:55,367 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:20:55,368 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:20:55,374 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:20:55,483 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-07 05:20:55,483 INFO L625 ElimStorePlain]: treesize reduction 4, result has 95.3 percent of original size [2021-01-07 05:20:55,488 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2021-01-07 05:20:55,489 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:347, output treesize:46 [2021-01-07 05:20:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:20:55,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:20:55,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-01-07 05:20:55,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224131002] [2021-01-07 05:20:55,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-01-07 05:20:55,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:20:55,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-01-07 05:20:55,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=568, Unknown=1, NotChecked=0, Total=650 [2021-01-07 05:20:55,658 INFO L87 Difference]: Start difference. First operand 228 states and 298 transitions. Second operand 26 states. [2021-01-07 05:20:56,951 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-07 05:20:57,279 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-01-07 05:20:57,649 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 92 [2021-01-07 05:20:57,944 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2021-01-07 05:20:58,441 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2021-01-07 05:20:59,023 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 130 [2021-01-07 05:20:59,584 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2021-01-07 05:20:59,905 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-01-07 05:21:00,196 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-01-07 05:21:00,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:00,891 INFO L93 Difference]: Finished difference Result 310 states and 384 transitions. [2021-01-07 05:21:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-07 05:21:00,892 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 45 [2021-01-07 05:21:00,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:00,893 INFO L225 Difference]: With dead ends: 310 [2021-01-07 05:21:00,893 INFO L226 Difference]: Without dead ends: 310 [2021-01-07 05:21:00,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=397, Invalid=2052, Unknown=1, NotChecked=0, Total=2450 [2021-01-07 05:21:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-01-07 05:21:00,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 246. [2021-01-07 05:21:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2021-01-07 05:21:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 321 transitions. [2021-01-07 05:21:00,901 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 321 transitions. Word has length 45 [2021-01-07 05:21:00,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:00,901 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 321 transitions. [2021-01-07 05:21:00,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-01-07 05:21:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 321 transitions. [2021-01-07 05:21:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-07 05:21:00,902 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:00,902 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:01,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-01-07 05:21:01,116 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:01,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:01,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1360903564, now seen corresponding path program 2 times [2021-01-07 05:21:01,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:01,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020861323] [2021-01-07 05:21:01,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 05:21:01,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020861323] [2021-01-07 05:21:01,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707952855] [2021-01-07 05:21:01,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:01,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 05:21:01,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 05:21:01,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-07 05:21:01,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 05:21:01,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:21:01,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-07 05:21:01,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793589819] [2021-01-07 05:21:01,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 05:21:01,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:01,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 05:21:01,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 05:21:01,292 INFO L87 Difference]: Start difference. First operand 246 states and 321 transitions. Second operand 4 states. [2021-01-07 05:21:01,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:01,361 INFO L93 Difference]: Finished difference Result 230 states and 293 transitions. [2021-01-07 05:21:01,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 05:21:01,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2021-01-07 05:21:01,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:01,364 INFO L225 Difference]: With dead ends: 230 [2021-01-07 05:21:01,364 INFO L226 Difference]: Without dead ends: 230 [2021-01-07 05:21:01,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:21:01,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-01-07 05:21:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 229. [2021-01-07 05:21:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2021-01-07 05:21:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 293 transitions. [2021-01-07 05:21:01,375 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 293 transitions. Word has length 46 [2021-01-07 05:21:01,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:01,376 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 293 transitions. [2021-01-07 05:21:01,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 05:21:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 293 transitions. [2021-01-07 05:21:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-07 05:21:01,376 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:01,377 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:01,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:01,579 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:01,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1178585278, now seen corresponding path program 1 times [2021-01-07 05:21:01,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:01,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656088463] [2021-01-07 05:21:01,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:01,591 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:21:01,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724171455] [2021-01-07 05:21:01,592 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:01,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 23 conjunts are in the unsatisfiable core [2021-01-07 05:21:01,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:01,690 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 [2021-01-07 05:21:01,690 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:01,696 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:01,697 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:01,697 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-01-07 05:21:01,719 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:01,720 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:01,726 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:01,727 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:01,728 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2021-01-07 05:21:01,793 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:01,794 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2021-01-07 05:21:01,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:01,797 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-01-07 05:21:01,808 INFO L625 ElimStorePlain]: treesize reduction 6, result has 71.4 percent of original size [2021-01-07 05:21:01,810 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. [2021-01-07 05:21:01,810 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2021-01-07 05:21:01,842 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:01,842 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-01-07 05:21:01,844 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:01,845 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-01-07 05:21:01,857 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:01,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:01,860 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:01,860 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:15 [2021-01-07 05:21:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:01,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656088463] [2021-01-07 05:21:01,923 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:21:01,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724171455] [2021-01-07 05:21:01,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:21:01,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-07 05:21:01,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911881899] [2021-01-07 05:21:01,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-07 05:21:01,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:01,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-07 05:21:01,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-01-07 05:21:01,925 INFO L87 Difference]: Start difference. First operand 229 states and 293 transitions. Second operand 12 states. [2021-01-07 05:21:02,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:02,632 INFO L93 Difference]: Finished difference Result 246 states and 301 transitions. [2021-01-07 05:21:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-07 05:21:02,633 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 46 [2021-01-07 05:21:02,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:02,634 INFO L225 Difference]: With dead ends: 246 [2021-01-07 05:21:02,634 INFO L226 Difference]: Without dead ends: 245 [2021-01-07 05:21:02,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-01-07 05:21:02,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-01-07 05:21:02,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 229. [2021-01-07 05:21:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2021-01-07 05:21:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 292 transitions. [2021-01-07 05:21:02,642 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 292 transitions. Word has length 46 [2021-01-07 05:21:02,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:02,642 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 292 transitions. [2021-01-07 05:21:02,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-07 05:21:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 292 transitions. [2021-01-07 05:21:02,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-07 05:21:02,643 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:02,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:02,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-01-07 05:21:02,858 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:02,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:02,859 INFO L82 PathProgramCache]: Analyzing trace with hash -2020813251, now seen corresponding path program 1 times [2021-01-07 05:21:02,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:02,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120491755] [2021-01-07 05:21:02,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:02,872 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:21:02,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [160602774] [2021-01-07 05:21:02,872 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:02,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 47 conjunts are in the unsatisfiable core [2021-01-07 05:21:02,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:02,959 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 [2021-01-07 05:21:02,959 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:02,963 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:02,963 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:02,964 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-01-07 05:21:02,976 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:02,977 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:02,983 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:02,984 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:02,984 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2021-01-07 05:21:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,001 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 21 treesize of output 20 [2021-01-07 05:21:03,002 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,011 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:03,012 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,012 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2021-01-07 05:21:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,034 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 36 treesize of output 23 [2021-01-07 05:21:03,035 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,045 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:03,046 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,046 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:28 [2021-01-07 05:21:03,066 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:03,067 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 [2021-01-07 05:21:03,068 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,098 INFO L625 ElimStorePlain]: treesize reduction 14, result has 72.0 percent of original size [2021-01-07 05:21:03,099 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,099 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:36 [2021-01-07 05:21:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:03,166 INFO L348 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-01-07 05:21:03,167 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2021-01-07 05:21:03,168 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,189 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:03,190 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,191 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:50 [2021-01-07 05:21:03,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:03,343 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:03,343 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 143 [2021-01-07 05:21:03,347 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,432 INFO L625 ElimStorePlain]: treesize reduction 56, result has 53.7 percent of original size [2021-01-07 05:21:03,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:03,434 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:03,435 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. [2021-01-07 05:21:03,436 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:71, output treesize:65 [2021-01-07 05:21:03,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:03,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:03,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:03,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:03,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:03,519 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:03,520 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:03,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:03,522 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:03,522 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:03,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:03,574 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:03,575 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 37 treesize of output 68 [2021-01-07 05:21:03,577 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:03,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:03,633 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:03,633 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 37 treesize of output 68 [2021-01-07 05:21:03,636 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:03,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:03,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:03,712 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:03,712 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 150 [2021-01-07 05:21:03,718 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:03,961 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2021-01-07 05:21:03,962 INFO L625 ElimStorePlain]: treesize reduction 140, result has 56.7 percent of original size [2021-01-07 05:21:03,964 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 3 xjuncts. [2021-01-07 05:21:03,964 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:187, output treesize:183 [2021-01-07 05:21:04,134 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-01-07 05:21:04,142 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:21:04,143 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,144 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 05:21:04,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,229 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:04,229 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 4 case distinctions, treesize of input 52 treesize of output 89 [2021-01-07 05:21:04,232 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,261 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 26 [2021-01-07 05:21:04,263 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:04,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,323 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:04,323 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 61 [2021-01-07 05:21:04,326 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:04,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,487 INFO L348 Elim1Store]: treesize reduction 28, result has 76.3 percent of original size [2021-01-07 05:21:04,487 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 61 treesize of output 137 [2021-01-07 05:21:04,491 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:04,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:04,537 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:04,538 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 61 [2021-01-07 05:21:04,540 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:04,839 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2021-01-07 05:21:04,840 INFO L625 ElimStorePlain]: treesize reduction 258, result has 40.4 percent of original size [2021-01-07 05:21:04,846 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 3 xjuncts. [2021-01-07 05:21:04,846 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:377, output treesize:175 [2021-01-07 05:21:04,893 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:21:04,894 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 05:21:04,901 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 05:21:04,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,905 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:21:04,909 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,911 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,912 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 05:21:04,914 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:21:04,922 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,923 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-07 05:21:04,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 05:21:04,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:04,936 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_34|], 20=[v_prenex_4, v_prenex_3], 30=[|v_#memory_$Pointer$.base_59|]} [2021-01-07 05:21:04,948 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:04,949 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:04,962 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:04,962 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:04,975 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:04,976 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:04,995 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 11 treesize of output 1 [2021-01-07 05:21:04,996 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:05,008 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 11 treesize of output 1 [2021-01-07 05:21:05,010 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:05,178 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-01-07 05:21:05,178 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:05,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:05,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:05,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:05,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:05,224 INFO L348 Elim1Store]: treesize reduction 12, result has 70.0 percent of original size [2021-01-07 05:21:05,224 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 70 [2021-01-07 05:21:05,226 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:05,435 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2021-01-07 05:21:05,436 INFO L625 ElimStorePlain]: treesize reduction 121, result has 56.3 percent of original size [2021-01-07 05:21:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:05,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:05,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:05,473 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:05,473 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 82 [2021-01-07 05:21:05,476 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:05,653 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-01-07 05:21:05,654 INFO L625 ElimStorePlain]: treesize reduction 40, result has 78.4 percent of original size [2021-01-07 05:21:05,655 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_59| vanished before elimination [2021-01-07 05:21:05,658 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-01-07 05:21:05,658 INFO L244 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:465, output treesize:163 [2021-01-07 05:21:06,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:06,059 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 54 treesize of output 34 [2021-01-07 05:21:06,060 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:06,066 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 58 treesize of output 38 [2021-01-07 05:21:06,067 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:06,142 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:06,143 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-01-07 05:21:06,143 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:191, output treesize:145 [2021-01-07 05:21:06,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:06,404 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:06,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:06,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:06,644 INFO L443 ElimStorePlain]: Different costs {12=[v_prenex_7], 20=[|#memory_$Pointer$.base|]} [2021-01-07 05:21:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:06,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:06,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:06,661 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:06,661 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 41 [2021-01-07 05:21:06,664 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:06,704 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:06,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:06,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:06,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:06,741 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:06,742 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 72 treesize of output 60 [2021-01-07 05:21:06,746 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:06,773 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:06,780 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-01-07 05:21:06,780 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:169, output treesize:31 [2021-01-07 05:21:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:06,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120491755] [2021-01-07 05:21:06,925 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:21:06,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160602774] [2021-01-07 05:21:06,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:21:06,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-01-07 05:21:06,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496636869] [2021-01-07 05:21:06,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-01-07 05:21:06,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:06,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-01-07 05:21:06,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-01-07 05:21:06,926 INFO L87 Difference]: Start difference. First operand 229 states and 292 transitions. Second operand 19 states. [2021-01-07 05:21:07,683 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-01-07 05:21:08,380 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-01-07 05:21:08,776 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-01-07 05:21:09,420 WARN L197 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-01-07 05:21:10,174 WARN L197 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-01-07 05:21:11,339 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-01-07 05:21:12,554 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2021-01-07 05:21:13,064 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-01-07 05:21:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:13,887 INFO L93 Difference]: Finished difference Result 347 states and 419 transitions. [2021-01-07 05:21:13,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-07 05:21:13,888 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 46 [2021-01-07 05:21:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:13,890 INFO L225 Difference]: With dead ends: 347 [2021-01-07 05:21:13,890 INFO L226 Difference]: Without dead ends: 347 [2021-01-07 05:21:13,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2021-01-07 05:21:13,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-01-07 05:21:13,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 260. [2021-01-07 05:21:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2021-01-07 05:21:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 330 transitions. [2021-01-07 05:21:13,898 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 330 transitions. Word has length 46 [2021-01-07 05:21:13,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:13,899 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 330 transitions. [2021-01-07 05:21:13,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-01-07 05:21:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 330 transitions. [2021-01-07 05:21:13,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-07 05:21:13,903 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:13,903 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:14,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-01-07 05:21:14,104 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:14,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:14,105 INFO L82 PathProgramCache]: Analyzing trace with hash -2020813250, now seen corresponding path program 1 times [2021-01-07 05:21:14,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:14,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669242807] [2021-01-07 05:21:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:14,115 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:21:14,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44061542] [2021-01-07 05:21:14,115 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:14,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 56 conjunts are in the unsatisfiable core [2021-01-07 05:21:14,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:14,216 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:14,217 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,225 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,230 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:14,231 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,238 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,238 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2021-01-07 05:21:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,263 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 21 treesize of output 20 [2021-01-07 05:21:14,264 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,280 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 21 treesize of output 20 [2021-01-07 05:21:14,281 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,295 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,295 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,296 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2021-01-07 05:21:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,326 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 36 treesize of output 23 [2021-01-07 05:21:14,327 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,346 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,353 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 36 treesize of output 23 [2021-01-07 05:21:14,355 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,367 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,367 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,368 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:39 [2021-01-07 05:21:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:14,453 INFO L348 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-01-07 05:21:14,454 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2021-01-07 05:21:14,455 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:14,513 INFO L348 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-01-07 05:21:14,513 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2021-01-07 05:21:14,514 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,544 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,545 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,546 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:75, output treesize:67 [2021-01-07 05:21:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:14,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:14,763 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:14,763 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 70 treesize of output 156 [2021-01-07 05:21:14,767 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:14,971 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-01-07 05:21:14,972 INFO L625 ElimStorePlain]: treesize reduction 56, result has 62.9 percent of original size [2021-01-07 05:21:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:15,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:15,068 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:15,069 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 41 treesize of output 124 [2021-01-07 05:21:15,071 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:15,230 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2021-01-07 05:21:15,231 INFO L625 ElimStorePlain]: treesize reduction 66, result has 56.9 percent of original size [2021-01-07 05:21:15,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:15,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:15,235 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. [2021-01-07 05:21:15,235 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:109, output treesize:87 [2021-01-07 05:21:15,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:15,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:15,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:15,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:15,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:15,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:15,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:15,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:15,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:15,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:21:15,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:15,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:15,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:21:15,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:15,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:15,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:15,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:15,540 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:15,541 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 150 [2021-01-07 05:21:15,547 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:15,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:15,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:15,599 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:15,600 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 46 treesize of output 71 [2021-01-07 05:21:15,603 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:15,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:15,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:15,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:15,647 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:15,647 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 44 treesize of output 71 [2021-01-07 05:21:15,650 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:16,076 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-01-07 05:21:16,076 INFO L625 ElimStorePlain]: treesize reduction 140, result has 64.6 percent of original size [2021-01-07 05:21:16,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:16,123 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:16,123 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 37 treesize of output 68 [2021-01-07 05:21:16,126 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:16,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:16,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:16,274 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:16,275 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 150 [2021-01-07 05:21:16,279 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:16,316 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:16,316 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 37 treesize of output 68 [2021-01-07 05:21:16,318 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:16,695 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2021-01-07 05:21:16,696 INFO L625 ElimStorePlain]: treesize reduction 114, result has 68.2 percent of original size [2021-01-07 05:21:16,698 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 3 xjuncts. [2021-01-07 05:21:16,698 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:290, output treesize:244 [2021-01-07 05:21:16,921 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-01-07 05:21:16,927 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:21:16,929 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:21:16,931 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:21:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:17,011 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:17,011 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 61 [2021-01-07 05:21:17,013 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:17,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:17,122 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:17,123 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 61 [2021-01-07 05:21:17,125 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:17,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:17,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:17,356 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-07 05:21:17,356 INFO L348 Elim1Store]: treesize reduction 28, result has 76.3 percent of original size [2021-01-07 05:21:17,357 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 61 treesize of output 137 [2021-01-07 05:21:17,360 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:17,789 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2021-01-07 05:21:17,790 INFO L625 ElimStorePlain]: treesize reduction 140, result has 68.3 percent of original size [2021-01-07 05:21:17,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:17,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:17,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:18,015 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-07 05:21:18,016 INFO L348 Elim1Store]: treesize reduction 28, result has 76.3 percent of original size [2021-01-07 05:21:18,016 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 61 treesize of output 137 [2021-01-07 05:21:18,019 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:18,070 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:18,070 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 61 [2021-01-07 05:21:18,072 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:18,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:18,108 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:18,108 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 61 [2021-01-07 05:21:18,110 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:18,460 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2021-01-07 05:21:18,461 INFO L625 ElimStorePlain]: treesize reduction 66, result has 78.7 percent of original size [2021-01-07 05:21:18,463 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 3 xjuncts. [2021-01-07 05:21:18,463 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:358, output treesize:244 [2021-01-07 05:21:18,470 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:21:18,475 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:21:18,490 INFO L443 ElimStorePlain]: Different costs {20=[v_prenex_12, v_prenex_11, v_prenex_10, v_prenex_9], 30=[|v_#memory_$Pointer$.offset_42|, |v_#memory_$Pointer$.base_67|]} [2021-01-07 05:21:18,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:18,539 INFO L348 Elim1Store]: treesize reduction 12, result has 70.0 percent of original size [2021-01-07 05:21:18,539 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 81 [2021-01-07 05:21:18,541 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:19,028 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2021-01-07 05:21:19,029 INFO L625 ElimStorePlain]: treesize reduction 52, result has 87.9 percent of original size [2021-01-07 05:21:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:19,089 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:19,090 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 105 [2021-01-07 05:21:19,092 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:19,311 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 58 [2021-01-07 05:21:19,312 INFO L625 ElimStorePlain]: treesize reduction 199, result has 49.5 percent of original size [2021-01-07 05:21:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:19,339 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:19,340 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 93 [2021-01-07 05:21:19,342 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:19,457 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-01-07 05:21:19,457 INFO L625 ElimStorePlain]: treesize reduction 40, result has 82.1 percent of original size [2021-01-07 05:21:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:19,491 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:19,492 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 56 treesize of output 119 [2021-01-07 05:21:19,494 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:19,604 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2021-01-07 05:21:19,605 INFO L625 ElimStorePlain]: treesize reduction 34, result has 83.6 percent of original size [2021-01-07 05:21:19,605 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_42| vanished before elimination [2021-01-07 05:21:19,605 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_67| vanished before elimination [2021-01-07 05:21:19,606 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-01-07 05:21:19,607 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:392, output treesize:173 [2021-01-07 05:21:20,304 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2021-01-07 05:21:20,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:20,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:20,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:20,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:21:20,344 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:20,344 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 63 [2021-01-07 05:21:20,347 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:20,372 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:20,373 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 108 treesize of output 82 [2021-01-07 05:21:20,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:20,377 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:20,424 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:20,462 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:20,462 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 37 [2021-01-07 05:21:20,465 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:20,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:20,486 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:20,487 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 37 [2021-01-07 05:21:20,489 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:20,511 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:20,513 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:20,513 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:249, output treesize:13 [2021-01-07 05:21:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:20,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669242807] [2021-01-07 05:21:20,625 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:21:20,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44061542] [2021-01-07 05:21:20,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:21:20,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-01-07 05:21:20,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93884658] [2021-01-07 05:21:20,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-01-07 05:21:20,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:20,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-01-07 05:21:20,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2021-01-07 05:21:20,627 INFO L87 Difference]: Start difference. First operand 260 states and 330 transitions. Second operand 19 states. [2021-01-07 05:21:20,937 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-07 05:21:21,638 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-07 05:21:22,338 WARN L197 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-01-07 05:21:22,686 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-07 05:21:23,063 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-01-07 05:21:23,445 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-01-07 05:21:23,835 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-01-07 05:21:24,507 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2021-01-07 05:21:25,154 WARN L197 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-01-07 05:21:25,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:25,430 INFO L93 Difference]: Finished difference Result 363 states and 453 transitions. [2021-01-07 05:21:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-07 05:21:25,431 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 46 [2021-01-07 05:21:25,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:25,433 INFO L225 Difference]: With dead ends: 363 [2021-01-07 05:21:25,433 INFO L226 Difference]: Without dead ends: 363 [2021-01-07 05:21:25,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2021-01-07 05:21:25,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-01-07 05:21:25,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 263. [2021-01-07 05:21:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-01-07 05:21:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 332 transitions. [2021-01-07 05:21:25,446 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 332 transitions. Word has length 46 [2021-01-07 05:21:25,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:25,447 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 332 transitions. [2021-01-07 05:21:25,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-01-07 05:21:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 332 transitions. [2021-01-07 05:21:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-07 05:21:25,447 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:25,448 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:25,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-01-07 05:21:25,661 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:25,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:25,662 INFO L82 PathProgramCache]: Analyzing trace with hash -2020820556, now seen corresponding path program 1 times [2021-01-07 05:21:25,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:25,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75271758] [2021-01-07 05:21:25,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:25,673 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:21:25,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615373678] [2021-01-07 05:21:25,673 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:25,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 24 conjunts are in the unsatisfiable core [2021-01-07 05:21:25,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:25,808 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:25,809 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:25,822 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:25,823 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:25,823 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2021-01-07 05:21:25,909 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 [2021-01-07 05:21:25,910 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:25,916 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:25,918 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:25,918 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:3 [2021-01-07 05:21:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:25,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75271758] [2021-01-07 05:21:25,983 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:21:25,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615373678] [2021-01-07 05:21:25,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:21:25,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-07 05:21:25,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851129271] [2021-01-07 05:21:25,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-07 05:21:25,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:25,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-07 05:21:25,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-01-07 05:21:25,985 INFO L87 Difference]: Start difference. First operand 263 states and 332 transitions. Second operand 11 states. [2021-01-07 05:21:27,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:27,007 INFO L93 Difference]: Finished difference Result 320 states and 386 transitions. [2021-01-07 05:21:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-07 05:21:27,010 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 46 [2021-01-07 05:21:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:27,012 INFO L225 Difference]: With dead ends: 320 [2021-01-07 05:21:27,012 INFO L226 Difference]: Without dead ends: 320 [2021-01-07 05:21:27,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2021-01-07 05:21:27,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-01-07 05:21:27,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 264. [2021-01-07 05:21:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2021-01-07 05:21:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 332 transitions. [2021-01-07 05:21:27,019 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 332 transitions. Word has length 46 [2021-01-07 05:21:27,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:27,019 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 332 transitions. [2021-01-07 05:21:27,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-07 05:21:27,019 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 332 transitions. [2021-01-07 05:21:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-07 05:21:27,020 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:27,020 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:27,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-01-07 05:21:27,235 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:27,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:27,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1000329294, now seen corresponding path program 1 times [2021-01-07 05:21:27,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:27,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870859263] [2021-01-07 05:21:27,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:27,252 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:21:27,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46179353] [2021-01-07 05:21:27,253 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:27,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 29 conjunts are in the unsatisfiable core [2021-01-07 05:21:27,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:27,343 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 [2021-01-07 05:21:27,344 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,348 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,350 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 [2021-01-07 05:21:27,351 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,355 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,355 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,355 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:11 [2021-01-07 05:21:27,434 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,435 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 [2021-01-07 05:21:27,437 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,474 INFO L625 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-01-07 05:21:27,490 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,490 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 19 treesize of output 33 [2021-01-07 05:21:27,491 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,520 INFO L625 ElimStorePlain]: treesize reduction 14, result has 65.9 percent of original size [2021-01-07 05:21:27,521 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,521 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:27 [2021-01-07 05:21:27,551 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:27,557 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,569 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,570 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,571 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2021-01-07 05:21:27,604 INFO L348 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-01-07 05:21:27,604 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-01-07 05:21:27,605 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,621 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,621 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2021-01-07 05:21:27,682 INFO L348 Elim1Store]: treesize reduction 68, result has 20.0 percent of original size [2021-01-07 05:21:27,682 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 23 [2021-01-07 05:21:27,683 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,700 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,701 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,701 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:43 [2021-01-07 05:21:27,732 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,733 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 34 [2021-01-07 05:21:27,734 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:27,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:27,737 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,757 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,767 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,767 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 30 [2021-01-07 05:21:27,769 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,805 INFO L625 ElimStorePlain]: treesize reduction 20, result has 65.5 percent of original size [2021-01-07 05:21:27,806 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,806 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:38 [2021-01-07 05:21:27,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:27,878 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-01-07 05:21:27,879 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2021-01-07 05:21:27,880 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:27,896 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:27,898 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:27,898 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:58 [2021-01-07 05:21:27,991 INFO L348 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2021-01-07 05:21:27,992 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 41 [2021-01-07 05:21:27,993 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:28,001 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:28,002 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:28,003 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:58, output treesize:22 [2021-01-07 05:21:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:28,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870859263] [2021-01-07 05:21:28,083 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:21:28,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46179353] [2021-01-07 05:21:28,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:21:28,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-01-07 05:21:28,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921602483] [2021-01-07 05:21:28,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-07 05:21:28,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:28,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-07 05:21:28,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-01-07 05:21:28,084 INFO L87 Difference]: Start difference. First operand 264 states and 332 transitions. Second operand 13 states. [2021-01-07 05:21:29,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:29,326 INFO L93 Difference]: Finished difference Result 358 states and 436 transitions. [2021-01-07 05:21:29,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-07 05:21:29,327 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2021-01-07 05:21:29,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:29,330 INFO L225 Difference]: With dead ends: 358 [2021-01-07 05:21:29,330 INFO L226 Difference]: Without dead ends: 358 [2021-01-07 05:21:29,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2021-01-07 05:21:29,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-01-07 05:21:29,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 239. [2021-01-07 05:21:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2021-01-07 05:21:29,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 300 transitions. [2021-01-07 05:21:29,336 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 300 transitions. Word has length 47 [2021-01-07 05:21:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:29,336 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 300 transitions. [2021-01-07 05:21:29,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-01-07 05:21:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 300 transitions. [2021-01-07 05:21:29,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-07 05:21:29,337 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:29,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:29,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-01-07 05:21:29,552 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:29,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:29,553 INFO L82 PathProgramCache]: Analyzing trace with hash 2045271335, now seen corresponding path program 1 times [2021-01-07 05:21:29,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:29,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383467053] [2021-01-07 05:21:29,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:29,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383467053] [2021-01-07 05:21:29,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644669635] [2021-01-07 05:21:29,819 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:29,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 30 conjunts are in the unsatisfiable core [2021-01-07 05:21:29,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:29,910 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 [2021-01-07 05:21:29,911 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:29,915 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:29,916 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:29,916 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-01-07 05:21:30,035 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:30,036 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2021-01-07 05:21:30,037 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:30,038 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:30,058 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:30,059 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:30,059 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2021-01-07 05:21:30,135 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 [2021-01-07 05:21:30,136 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:30,160 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:30,161 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. [2021-01-07 05:21:30,161 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:36 [2021-01-07 05:21:30,255 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:30,255 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 65 [2021-01-07 05:21:30,257 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2021-01-07 05:21:30,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:21:30,258 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:30,282 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:30,284 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. [2021-01-07 05:21:30,284 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:51 [2021-01-07 05:21:30,470 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:30,470 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 63 [2021-01-07 05:21:30,472 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:21:30,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:30,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:30,474 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:30,499 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:30,500 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:30,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:30,503 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:30,504 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:30,505 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:30,505 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:63, output treesize:30 [2021-01-07 05:21:30,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:30,549 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:30,665 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2021-01-07 05:21:30,666 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:30,676 INFO L625 ElimStorePlain]: treesize reduction 4, result has 73.3 percent of original size [2021-01-07 05:21:30,677 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. [2021-01-07 05:21:30,677 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:11 [2021-01-07 05:21:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:30,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:21:30,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-01-07 05:21:30,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625895327] [2021-01-07 05:21:30,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-01-07 05:21:30,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:30,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-01-07 05:21:30,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2021-01-07 05:21:30,742 INFO L87 Difference]: Start difference. First operand 239 states and 300 transitions. Second operand 24 states. [2021-01-07 05:21:32,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:32,847 INFO L93 Difference]: Finished difference Result 314 states and 379 transitions. [2021-01-07 05:21:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-07 05:21:32,848 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 49 [2021-01-07 05:21:32,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:32,850 INFO L225 Difference]: With dead ends: 314 [2021-01-07 05:21:32,850 INFO L226 Difference]: Without dead ends: 314 [2021-01-07 05:21:32,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=205, Invalid=985, Unknown=0, NotChecked=0, Total=1190 [2021-01-07 05:21:32,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-01-07 05:21:32,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 283. [2021-01-07 05:21:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-01-07 05:21:32,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 356 transitions. [2021-01-07 05:21:32,856 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 356 transitions. Word has length 49 [2021-01-07 05:21:32,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:32,856 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 356 transitions. [2021-01-07 05:21:32,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-01-07 05:21:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 356 transitions. [2021-01-07 05:21:32,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-07 05:21:32,857 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:32,857 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:33,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:33,071 INFO L429 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:33,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:33,072 INFO L82 PathProgramCache]: Analyzing trace with hash 2045271336, now seen corresponding path program 1 times [2021-01-07 05:21:33,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:33,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161357893] [2021-01-07 05:21:33,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:33,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161357893] [2021-01-07 05:21:33,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175708781] [2021-01-07 05:21:33,251 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:33,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 35 conjunts are in the unsatisfiable core [2021-01-07 05:21:33,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:33,334 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 [2021-01-07 05:21:33,334 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,339 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:33,339 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,340 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-01-07 05:21:33,445 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:33,445 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-01-07 05:21:33,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:33,448 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,461 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:33,462 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,462 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2021-01-07 05:21:33,648 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 [2021-01-07 05:21:33,649 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,677 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:33,683 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 [2021-01-07 05:21:33,684 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:33,712 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,713 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2021-01-07 05:21:33,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:33,812 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 64 [2021-01-07 05:21:33,814 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,850 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:33,857 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-01-07 05:21:33,858 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:33,901 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:33,902 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. [2021-01-07 05:21:33,903 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:110, output treesize:90 [2021-01-07 05:21:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:34,117 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:34,118 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 76 [2021-01-07 05:21:34,120 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:21:34,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:34,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:34,123 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:34,178 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:34,193 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:34,193 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 34 [2021-01-07 05:21:34,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:34,197 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-01-07 05:21:34,235 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:34,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,240 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,242 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:34,243 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,243 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:34,244 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:34,247 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,249 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:34,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:34,253 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,254 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:34,256 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,256 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,258 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 2 xjuncts. [2021-01-07 05:21:34,258 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:111, output treesize:51 [2021-01-07 05:21:34,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:34,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:21:34,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13] total 20 [2021-01-07 05:21:34,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369673525] [2021-01-07 05:21:34,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-01-07 05:21:34,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:34,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-01-07 05:21:34,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-01-07 05:21:34,516 INFO L87 Difference]: Start difference. First operand 283 states and 356 transitions. Second operand 21 states. [2021-01-07 05:21:35,471 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2021-01-07 05:21:36,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:36,574 INFO L93 Difference]: Finished difference Result 333 states and 401 transitions. [2021-01-07 05:21:36,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-07 05:21:36,576 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 49 [2021-01-07 05:21:36,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:36,578 INFO L225 Difference]: With dead ends: 333 [2021-01-07 05:21:36,578 INFO L226 Difference]: Without dead ends: 333 [2021-01-07 05:21:36,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2021-01-07 05:21:36,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-01-07 05:21:36,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 296. [2021-01-07 05:21:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2021-01-07 05:21:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 378 transitions. [2021-01-07 05:21:36,586 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 378 transitions. Word has length 49 [2021-01-07 05:21:36,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:36,586 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 378 transitions. [2021-01-07 05:21:36,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-01-07 05:21:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 378 transitions. [2021-01-07 05:21:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-07 05:21:36,587 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:36,587 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:36,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-01-07 05:21:36,795 INFO L429 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:36,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:36,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1021098355, now seen corresponding path program 1 times [2021-01-07 05:21:36,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:36,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987839062] [2021-01-07 05:21:36,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:36,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987839062] [2021-01-07 05:21:36,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589858103] [2021-01-07 05:21:36,844 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:36,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 05:21:36,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:36,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:21:36,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-01-07 05:21:36,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43298611] [2021-01-07 05:21:36,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 05:21:36,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:36,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 05:21:36,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-07 05:21:36,977 INFO L87 Difference]: Start difference. First operand 296 states and 378 transitions. Second operand 6 states. [2021-01-07 05:21:37,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:37,026 INFO L93 Difference]: Finished difference Result 306 states and 380 transitions. [2021-01-07 05:21:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 05:21:37,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2021-01-07 05:21:37,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:37,029 INFO L225 Difference]: With dead ends: 306 [2021-01-07 05:21:37,029 INFO L226 Difference]: Without dead ends: 306 [2021-01-07 05:21:37,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-07 05:21:37,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-01-07 05:21:37,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 299. [2021-01-07 05:21:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-01-07 05:21:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 380 transitions. [2021-01-07 05:21:37,035 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 380 transitions. Word has length 50 [2021-01-07 05:21:37,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:37,035 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 380 transitions. [2021-01-07 05:21:37,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 05:21:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 380 transitions. [2021-01-07 05:21:37,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-07 05:21:37,036 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:37,036 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:37,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:37,250 INFO L429 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:37,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:37,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1589265816, now seen corresponding path program 1 times [2021-01-07 05:21:37,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:37,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204757675] [2021-01-07 05:21:37,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-01-07 05:21:37,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204757675] [2021-01-07 05:21:37,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:21:37,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:21:37,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261727041] [2021-01-07 05:21:37,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 05:21:37,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:37,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 05:21:37,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 05:21:37,304 INFO L87 Difference]: Start difference. First operand 299 states and 380 transitions. Second operand 4 states. [2021-01-07 05:21:37,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:37,444 INFO L93 Difference]: Finished difference Result 317 states and 399 transitions. [2021-01-07 05:21:37,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 05:21:37,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-01-07 05:21:37,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:37,447 INFO L225 Difference]: With dead ends: 317 [2021-01-07 05:21:37,447 INFO L226 Difference]: Without dead ends: 317 [2021-01-07 05:21:37,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:21:37,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-01-07 05:21:37,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 298. [2021-01-07 05:21:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-01-07 05:21:37,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 379 transitions. [2021-01-07 05:21:37,454 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 379 transitions. Word has length 51 [2021-01-07 05:21:37,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:37,454 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 379 transitions. [2021-01-07 05:21:37,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 05:21:37,454 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 379 transitions. [2021-01-07 05:21:37,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-07 05:21:37,455 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:37,455 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:37,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-01-07 05:21:37,455 INFO L429 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:37,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:37,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1589265815, now seen corresponding path program 1 times [2021-01-07 05:21:37,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:37,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794108440] [2021-01-07 05:21:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:37,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794108440] [2021-01-07 05:21:37,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703516630] [2021-01-07 05:21:37,640 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:37,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 35 conjunts are in the unsatisfiable core [2021-01-07 05:21:37,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:37,852 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:37,852 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-01-07 05:21:37,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:37,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:37,857 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:37,870 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:37,871 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:37,872 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2021-01-07 05:21:38,007 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 [2021-01-07 05:21:38,008 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:38,025 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:38,026 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:38,026 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2021-01-07 05:21:38,098 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-01-07 05:21:38,100 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:38,130 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:38,132 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. [2021-01-07 05:21:38,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:42, output treesize:38 [2021-01-07 05:21:38,336 INFO L443 ElimStorePlain]: Different costs {0=[|#memory_$Pointer$.base|], 6=[|#memory_$Pointer$.offset|]} [2021-01-07 05:21:38,347 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-01-07 05:21:38,348 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:38,382 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:38,396 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:38,397 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 27 [2021-01-07 05:21:38,399 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:38,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:38,401 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-01-07 05:21:38,421 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:38,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:38,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:38,426 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-01-07 05:21:38,426 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:59, output treesize:15 [2021-01-07 05:21:38,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:38,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:21:38,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-01-07 05:21:38,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041690771] [2021-01-07 05:21:38,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-01-07 05:21:38,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:38,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-01-07 05:21:38,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-01-07 05:21:38,619 INFO L87 Difference]: Start difference. First operand 298 states and 379 transitions. Second operand 24 states. [2021-01-07 05:21:39,424 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2021-01-07 05:21:40,263 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2021-01-07 05:21:41,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:21:41,794 INFO L93 Difference]: Finished difference Result 443 states and 544 transitions. [2021-01-07 05:21:41,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-07 05:21:41,796 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 51 [2021-01-07 05:21:41,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:21:41,797 INFO L225 Difference]: With dead ends: 443 [2021-01-07 05:21:41,797 INFO L226 Difference]: Without dead ends: 443 [2021-01-07 05:21:41,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=414, Invalid=1748, Unknown=0, NotChecked=0, Total=2162 [2021-01-07 05:21:41,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-01-07 05:21:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 344. [2021-01-07 05:21:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2021-01-07 05:21:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 445 transitions. [2021-01-07 05:21:41,805 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 445 transitions. Word has length 51 [2021-01-07 05:21:41,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:21:41,806 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 445 transitions. [2021-01-07 05:21:41,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-01-07 05:21:41,806 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 445 transitions. [2021-01-07 05:21:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-07 05:21:41,806 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:21:41,807 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:21:42,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-01-07 05:21:42,020 INFO L429 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:21:42,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:21:42,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1446176517, now seen corresponding path program 1 times [2021-01-07 05:21:42,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:21:42,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112354148] [2021-01-07 05:21:42,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:21:42,033 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:21:42,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479791036] [2021-01-07 05:21:42,034 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:21:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:21:42,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 39 conjunts are in the unsatisfiable core [2021-01-07 05:21:42,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:21:42,182 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-01-07 05:21:42,183 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:42,195 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:42,197 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:21:42,197 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2021-01-07 05:21:42,262 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_77|, |v_#memory_$Pointer$.offset_47|], 2=[|v_#memory_int_28|]} [2021-01-07 05:21:42,271 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:42,272 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:42,304 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:42,313 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:21:42,314 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:42,347 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:42,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:21:42,359 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 27 treesize of output 15 [2021-01-07 05:21:42,361 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:21:42,388 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:42,393 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:42,393 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:61, output treesize:40 [2021-01-07 05:21:42,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:42,445 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-07 05:21:43,134 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:43,134 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-01-07 05:21:43,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:43,138 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:43,138 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:43,180 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:43,192 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:43,192 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 29 [2021-01-07 05:21:43,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:43,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:43,197 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:43,236 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:43,242 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:43,244 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:43,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:43,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:21:43,248 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:21:43,250 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2021-01-07 05:21:43,253 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:21:43,256 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:21:43,259 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:21:43,261 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2021-01-07 05:21:43,264 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:21:43,266 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 7 disjuncts [2021-01-07 05:21:43,270 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:21:43,272 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:21:43,299 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:43,299 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:66, output treesize:62 [2021-01-07 05:21:43,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:43,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:43,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:43,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:21:43,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:43,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:43,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:21:43,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:21:45,663 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2021-01-07 05:21:45,935 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-01-07 05:21:45,935 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:46,215 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-01-07 05:21:46,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:46,303 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:46,303 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2021-01-07 05:21:46,305 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:21:46,306 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-01-07 05:21:46,311 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 32 treesize of output 14 [2021-01-07 05:21:46,313 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:21:46,368 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:21:46,380 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-01-07 05:21:46,380 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:90, output treesize:27 [2021-01-07 05:21:48,826 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:21:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:21:49,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112354148] [2021-01-07 05:21:49,313 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:21:49,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479791036] [2021-01-07 05:21:49,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:21:49,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-01-07 05:21:49,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092227363] [2021-01-07 05:21:49,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-01-07 05:21:49,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:21:49,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-01-07 05:21:49,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=328, Unknown=2, NotChecked=0, Total=380 [2021-01-07 05:21:49,315 INFO L87 Difference]: Start difference. First operand 344 states and 445 transitions. Second operand 20 states. [2021-01-07 05:21:53,816 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2021-01-07 05:21:54,505 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-01-07 05:21:55,158 WARN L197 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-01-07 05:21:55,871 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-01-07 05:21:58,976 WARN L197 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2021-01-07 05:22:01,287 WARN L197 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 93 DAG size of output: 37 [2021-01-07 05:22:08,798 WARN L197 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 38 [2021-01-07 05:22:11,139 WARN L197 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 104 DAG size of output: 39 [2021-01-07 05:22:11,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:22:11,320 INFO L93 Difference]: Finished difference Result 450 states and 573 transitions. [2021-01-07 05:22:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-07 05:22:11,324 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 51 [2021-01-07 05:22:11,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:22:11,326 INFO L225 Difference]: With dead ends: 450 [2021-01-07 05:22:11,326 INFO L226 Difference]: Without dead ends: 447 [2021-01-07 05:22:11,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 17.5s TimeCoverageRelationStatistics Valid=248, Invalid=1156, Unknown=2, NotChecked=0, Total=1406 [2021-01-07 05:22:11,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-01-07 05:22:11,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 384. [2021-01-07 05:22:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2021-01-07 05:22:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 498 transitions. [2021-01-07 05:22:11,334 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 498 transitions. Word has length 51 [2021-01-07 05:22:11,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:22:11,334 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 498 transitions. [2021-01-07 05:22:11,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2021-01-07 05:22:11,334 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 498 transitions. [2021-01-07 05:22:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-07 05:22:11,335 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:22:11,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:22:11,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-01-07 05:22:11,549 INFO L429 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:22:11,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:22:11,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1034980313, now seen corresponding path program 1 times [2021-01-07 05:22:11,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:22:11,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184145002] [2021-01-07 05:22:11,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:22:11,560 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:22:11,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668664499] [2021-01-07 05:22:11,561 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:22:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:22:11,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 41 conjunts are in the unsatisfiable core [2021-01-07 05:22:11,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:22:11,648 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 [2021-01-07 05:22:11,649 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,654 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:11,655 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,655 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-01-07 05:22:11,671 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:22:11,672 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,680 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:11,681 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,681 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2021-01-07 05:22:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:11,701 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 21 treesize of output 20 [2021-01-07 05:22:11,702 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,717 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:11,718 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,718 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2021-01-07 05:22:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:11,750 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 36 treesize of output 23 [2021-01-07 05:22:11,751 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,766 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:11,767 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,767 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:28 [2021-01-07 05:22:11,800 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:11,800 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 [2021-01-07 05:22:11,802 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,842 INFO L625 ElimStorePlain]: treesize reduction 14, result has 70.2 percent of original size [2021-01-07 05:22:11,843 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:11,843 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:33 [2021-01-07 05:22:11,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:11,995 INFO L348 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-01-07 05:22:11,996 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 60 [2021-01-07 05:22:11,997 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,071 INFO L625 ElimStorePlain]: treesize reduction 30, result has 57.1 percent of original size [2021-01-07 05:22:12,072 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,072 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:40 [2021-01-07 05:22:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:12,154 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:12,155 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 36 [2021-01-07 05:22:12,157 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,166 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:12,167 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,167 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:17 [2021-01-07 05:22:12,200 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 05:22:12,201 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,213 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:12,214 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:22:12,215 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:21 [2021-01-07 05:22:12,330 INFO L443 ElimStorePlain]: Different costs {0=[|#memory_$Pointer$.offset|], 2=[|#memory_$Pointer$.base|]} [2021-01-07 05:22:12,337 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 7 treesize of output 3 [2021-01-07 05:22:12,339 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,366 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:12,379 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:12,379 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2021-01-07 05:22:12,381 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,382 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:22:12,422 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:12,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:22:12,426 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:22:12,427 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. [2021-01-07 05:22:12,427 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:24 [2021-01-07 05:22:12,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,464 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,662 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,663 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:22:12,663 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,664 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:22:12,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,697 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:12,697 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 [2021-01-07 05:22:12,699 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,736 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:12,736 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2021-01-07 05:22:12,738 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,751 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2021-01-07 05:22:12,754 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,762 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 12 treesize of output 14 [2021-01-07 05:22:12,764 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:12,858 INFO L625 ElimStorePlain]: treesize reduction 70, result has 30.7 percent of original size [2021-01-07 05:22:12,859 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 2 xjuncts. [2021-01-07 05:22:12,859 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:87, output treesize:28 [2021-01-07 05:22:12,924 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:22:12,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184145002] [2021-01-07 05:22:12,993 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:22:12,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668664499] [2021-01-07 05:22:12,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:22:12,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-01-07 05:22:12,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059445127] [2021-01-07 05:22:12,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-07 05:22:12,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:22:12,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-07 05:22:12,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-01-07 05:22:12,995 INFO L87 Difference]: Start difference. First operand 384 states and 498 transitions. Second operand 18 states. [2021-01-07 05:22:14,402 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-01-07 05:22:14,633 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-01-07 05:22:14,875 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-01-07 05:22:15,168 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-01-07 05:22:15,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:22:15,796 INFO L93 Difference]: Finished difference Result 523 states and 667 transitions. [2021-01-07 05:22:15,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-07 05:22:15,798 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 51 [2021-01-07 05:22:15,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:22:15,800 INFO L225 Difference]: With dead ends: 523 [2021-01-07 05:22:15,800 INFO L226 Difference]: Without dead ends: 523 [2021-01-07 05:22:15,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2021-01-07 05:22:15,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2021-01-07 05:22:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 383. [2021-01-07 05:22:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2021-01-07 05:22:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 497 transitions. [2021-01-07 05:22:15,808 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 497 transitions. Word has length 51 [2021-01-07 05:22:15,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:22:15,809 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 497 transitions. [2021-01-07 05:22:15,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-01-07 05:22:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 497 transitions. [2021-01-07 05:22:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-07 05:22:15,810 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:22:15,810 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:22:16,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-01-07 05:22:16,018 INFO L429 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:22:16,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:22:16,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1159847037, now seen corresponding path program 1 times [2021-01-07 05:22:16,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:22:16,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057685981] [2021-01-07 05:22:16,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:22:16,028 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:22:16,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376278772] [2021-01-07 05:22:16,028 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:22:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:22:16,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 05:22:16,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:22:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-01-07 05:22:16,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057685981] [2021-01-07 05:22:16,178 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:22:16,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376278772] [2021-01-07 05:22:16,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:22:16,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 05:22:16,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925730223] [2021-01-07 05:22:16,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 05:22:16,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:22:16,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 05:22:16,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:22:16,180 INFO L87 Difference]: Start difference. First operand 383 states and 497 transitions. Second operand 5 states. [2021-01-07 05:22:16,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:22:16,248 INFO L93 Difference]: Finished difference Result 389 states and 491 transitions. [2021-01-07 05:22:16,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 05:22:16,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-07 05:22:16,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:22:16,250 INFO L225 Difference]: With dead ends: 389 [2021-01-07 05:22:16,250 INFO L226 Difference]: Without dead ends: 389 [2021-01-07 05:22:16,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-07 05:22:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-01-07 05:22:16,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 383. [2021-01-07 05:22:16,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2021-01-07 05:22:16,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 491 transitions. [2021-01-07 05:22:16,257 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 491 transitions. Word has length 51 [2021-01-07 05:22:16,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:22:16,257 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 491 transitions. [2021-01-07 05:22:16,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 05:22:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 491 transitions. [2021-01-07 05:22:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-07 05:22:16,258 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:22:16,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:22:16,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-01-07 05:22:16,472 INFO L429 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:22:16,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:22:16,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1580190023, now seen corresponding path program 1 times [2021-01-07 05:22:16,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:22:16,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075292875] [2021-01-07 05:22:16,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:22:16,488 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:22:16,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1529742905] [2021-01-07 05:22:16,488 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:22:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:22:16,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 05:22:16,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:22:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 05:22:16,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075292875] [2021-01-07 05:22:16,621 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:22:16,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529742905] [2021-01-07 05:22:16,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 05:22:16,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 05:22:16,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864450260] [2021-01-07 05:22:16,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 05:22:16,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:22:16,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 05:22:16,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-07 05:22:16,623 INFO L87 Difference]: Start difference. First operand 383 states and 491 transitions. Second operand 5 states. [2021-01-07 05:22:16,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:22:16,677 INFO L93 Difference]: Finished difference Result 405 states and 509 transitions. [2021-01-07 05:22:16,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 05:22:16,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-07 05:22:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:22:16,680 INFO L225 Difference]: With dead ends: 405 [2021-01-07 05:22:16,680 INFO L226 Difference]: Without dead ends: 405 [2021-01-07 05:22:16,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-07 05:22:16,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-01-07 05:22:16,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 399. [2021-01-07 05:22:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-01-07 05:22:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 501 transitions. [2021-01-07 05:22:16,687 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 501 transitions. Word has length 51 [2021-01-07 05:22:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:22:16,688 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 501 transitions. [2021-01-07 05:22:16,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 05:22:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 501 transitions. [2021-01-07 05:22:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-07 05:22:16,689 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:22:16,689 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:22:16,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-01-07 05:22:16,903 INFO L429 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:22:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:22:16,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1901638252, now seen corresponding path program 1 times [2021-01-07 05:22:16,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:22:16,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847086787] [2021-01-07 05:22:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:22:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:22:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:22:17,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847086787] [2021-01-07 05:22:17,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781548071] [2021-01-07 05:22:17,119 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:22:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:22:17,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 30 conjunts are in the unsatisfiable core [2021-01-07 05:22:17,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:22:17,381 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:17,381 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-01-07 05:22:17,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:17,384 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:17,386 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:17,411 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:17,412 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:17,412 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-01-07 05:22:17,577 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 [2021-01-07 05:22:17,578 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:17,603 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:17,604 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:17,604 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2021-01-07 05:22:17,700 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-01-07 05:22:17,701 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:17,747 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:17,749 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. [2021-01-07 05:22:17,750 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:47 [2021-01-07 05:22:18,009 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:18,009 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 30 [2021-01-07 05:22:18,010 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:22:18,013 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-01-07 05:22:18,043 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:18,046 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:22:18,048 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:22:18,048 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-01-07 05:22:18,049 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:59, output treesize:18 [2021-01-07 05:22:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:22:18,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:22:18,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 22 [2021-01-07 05:22:18,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61406315] [2021-01-07 05:22:18,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-07 05:22:18,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:22:18,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-07 05:22:18,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-01-07 05:22:18,217 INFO L87 Difference]: Start difference. First operand 399 states and 501 transitions. Second operand 23 states. [2021-01-07 05:22:19,177 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2021-01-07 05:22:19,405 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-07 05:22:19,916 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2021-01-07 05:22:20,159 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2021-01-07 05:22:21,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:22:21,516 INFO L93 Difference]: Finished difference Result 498 states and 602 transitions. [2021-01-07 05:22:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-07 05:22:21,518 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 54 [2021-01-07 05:22:21,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:22:21,520 INFO L225 Difference]: With dead ends: 498 [2021-01-07 05:22:21,520 INFO L226 Difference]: Without dead ends: 498 [2021-01-07 05:22:21,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=313, Invalid=1247, Unknown=0, NotChecked=0, Total=1560 [2021-01-07 05:22:21,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2021-01-07 05:22:21,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 415. [2021-01-07 05:22:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2021-01-07 05:22:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 529 transitions. [2021-01-07 05:22:21,529 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 529 transitions. Word has length 54 [2021-01-07 05:22:21,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:22:21,529 INFO L481 AbstractCegarLoop]: Abstraction has 415 states and 529 transitions. [2021-01-07 05:22:21,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-01-07 05:22:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 529 transitions. [2021-01-07 05:22:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-07 05:22:21,530 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:22:21,530 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:22:21,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:22:21,743 INFO L429 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2021-01-07 05:22:21,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:22:21,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1901638293, now seen corresponding path program 1 times [2021-01-07 05:22:21,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:22:21,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847271641] [2021-01-07 05:22:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:22:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:22:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:22:22,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847271641] [2021-01-07 05:22:22,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49035369] [2021-01-07 05:22:22,224 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:22:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:22:22,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 58 conjunts are in the unsatisfiable core [2021-01-07 05:22:22,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:22:22,349 INFO L348 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-01-07 05:22:22,350 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 16 [2021-01-07 05:22:22,351 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,366 INFO L625 ElimStorePlain]: treesize reduction 8, result has 66.7 percent of original size [2021-01-07 05:22:22,367 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-01-07 05:22:22,368 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:16 [2021-01-07 05:22:22,452 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:22,453 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 44 [2021-01-07 05:22:22,455 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,486 INFO L625 ElimStorePlain]: treesize reduction 22, result has 46.3 percent of original size [2021-01-07 05:22:22,487 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. [2021-01-07 05:22:22,487 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:19 [2021-01-07 05:22:22,549 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 [2021-01-07 05:22:22,550 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,562 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:22,563 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,564 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2021-01-07 05:22:22,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,632 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 23 treesize of output 22 [2021-01-07 05:22:22,634 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,649 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:22,650 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,651 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2021-01-07 05:22:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,720 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 30 treesize of output 32 [2021-01-07 05:22:22,722 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,742 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:22,743 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,744 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:42 [2021-01-07 05:22:22,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,822 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2021-01-07 05:22:22,824 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,849 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:22,850 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:22,851 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2021-01-07 05:22:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:22,983 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2021-01-07 05:22:22,985 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:23,015 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:23,016 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:22:23,017 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:51 [2021-01-07 05:22:23,203 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:23,203 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 3 case distinctions, treesize of input 22 treesize of output 55 [2021-01-07 05:22:23,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:22:23,208 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:23,303 INFO L625 ElimStorePlain]: treesize reduction 8, result has 89.2 percent of original size [2021-01-07 05:22:23,304 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. [2021-01-07 05:22:23,305 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:66 [2021-01-07 05:22:23,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,462 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 [2021-01-07 05:22:23,464 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:23,570 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-01-07 05:22:23,570 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:23,572 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. [2021-01-07 05:22:23,572 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:75 [2021-01-07 05:22:23,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:23,799 INFO L348 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-01-07 05:22:23,800 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 68 [2021-01-07 05:22:23,802 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:23,937 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-07 05:22:23,937 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:23,940 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. [2021-01-07 05:22:23,940 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:84 [2021-01-07 05:22:24,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,189 INFO L348 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2021-01-07 05:22:24,189 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 78 [2021-01-07 05:22:24,192 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:24,354 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-01-07 05:22:24,355 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:24,357 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. [2021-01-07 05:22:24,358 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:95, output treesize:91 [2021-01-07 05:22:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:24,640 INFO L348 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-01-07 05:22:24,641 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 90 [2021-01-07 05:22:24,643 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:24,848 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-01-07 05:22:24,849 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:24,851 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. [2021-01-07 05:22:24,851 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:104, output treesize:100 [2021-01-07 05:22:25,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,180 INFO L348 Elim1Store]: treesize reduction 188, result has 15.7 percent of original size [2021-01-07 05:22:25,181 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 93 [2021-01-07 05:22:25,183 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:25,377 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-01-07 05:22:25,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:25,380 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. [2021-01-07 05:22:25,380 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:119, output treesize:100 [2021-01-07 05:22:25,427 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_50|], 72=[|v_#memory_$Pointer$.base_93|]} [2021-01-07 05:22:25,441 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 [2021-01-07 05:22:25,442 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:25,597 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-07 05:22:25,598 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:25,737 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:25,737 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 82 treesize of output 200 [2021-01-07 05:22:25,742 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:26,114 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-01-07 05:22:26,115 INFO L625 ElimStorePlain]: treesize reduction 60, result has 70.0 percent of original size [2021-01-07 05:22:26,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,131 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,133 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. [2021-01-07 05:22:26,134 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:126, output treesize:140 [2021-01-07 05:22:26,138 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,140 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,429 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,434 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,441 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,447 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,452 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,459 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,461 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,469 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:26,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,490 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,494 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,499 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,513 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,520 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,522 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,536 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,538 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,540 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,541 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,542 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,547 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,548 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,549 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,552 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,554 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,557 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,574 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,576 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:26,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,583 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,585 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,589 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,596 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,612 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-07 05:22:26,613 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,618 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:26,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-07 05:22:26,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-07 05:22:26,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:26,643 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,647 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-07 05:22:26,649 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-07 05:22:26,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:26,687 INFO L443 ElimStorePlain]: Different costs {70=[|v_#memory_$Pointer$.offset_51|], 850=[|v_#memory_$Pointer$.base_94|]} [2021-01-07 05:22:26,708 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 105 [2021-01-07 05:22:26,710 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:26,790 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 123 [2021-01-07 05:22:26,793 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:26,853 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 125 [2021-01-07 05:22:26,855 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:26,914 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 123 [2021-01-07 05:22:26,916 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:26,937 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 125 [2021-01-07 05:22:26,940 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:30,288 WARN L197 SmtUtils]: Spent 3.35 s on a formula simplification that was a NOOP. DAG size: 157 [2021-01-07 05:22:30,288 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:30,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:30,617 INFO L244 Elim1Store]: Index analysis took 298 ms [2021-01-07 05:22:31,072 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-01-07 05:22:31,073 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:31,073 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 195 treesize of output 657 [2021-01-07 05:22:31,083 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[22, 3, 2, 1] term [2021-01-07 05:22:31,083 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 22 disjuncts [2021-01-07 05:22:31,087 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:31,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:31,393 INFO L244 Elim1Store]: Index analysis took 282 ms [2021-01-07 05:22:31,964 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-01-07 05:22:31,965 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:31,965 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 193 treesize of output 655 [2021-01-07 05:22:31,978 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[22, 3, 2, 1] term [2021-01-07 05:22:31,978 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 22 disjuncts [2021-01-07 05:22:31,982 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,762 WARN L197 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 88 [2021-01-07 05:22:32,763 INFO L348 Elim1Store]: treesize reduction 660, result has 38.8 percent of original size [2021-01-07 05:22:32,763 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 38 case distinctions, treesize of input 202 treesize of output 485 [2021-01-07 05:22:32,772 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[20, 3, 2, 1] term [2021-01-07 05:22:32,772 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2021-01-07 05:22:32,775 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:32,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:32,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,088 INFO L244 Elim1Store]: Index analysis took 296 ms [2021-01-07 05:22:33,539 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-01-07 05:22:33,540 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:33,540 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 195 treesize of output 657 [2021-01-07 05:22:33,549 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[26, 3, 2, 1] term [2021-01-07 05:22:33,550 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 26 disjuncts [2021-01-07 05:22:33,553 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:33,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:33,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:34,029 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-01-07 05:22:34,029 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:34,030 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 26 case distinctions, treesize of input 163 treesize of output 599 [2021-01-07 05:22:34,040 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[24, 3, 2, 1] term [2021-01-07 05:22:34,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 24 disjuncts [2021-01-07 05:22:34,044 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-01-07 05:22:34,459 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-01-07 05:22:34,460 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:34,469 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 5 xjuncts. [2021-01-07 05:22:34,470 INFO L244 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:1092, output treesize:895 [2021-01-07 05:22:37,343 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-01-07 05:22:38,447 WARN L197 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-01-07 05:22:38,466 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2021-01-07 05:22:38,479 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 5, 6, 1] term [2021-01-07 05:22:38,479 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2021-01-07 05:22:38,553 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:38,553 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 94 [2021-01-07 05:22:38,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:38,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:38,559 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:22:39,092 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-01-07 05:22:39,093 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:39,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:39,121 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 84 [2021-01-07 05:22:39,125 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:22:39,616 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-01-07 05:22:39,617 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:39,654 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:39,654 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 96 [2021-01-07 05:22:39,656 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:39,658 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:39,659 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:22:40,138 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-01-07 05:22:40,139 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:40,179 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:40,180 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 94 [2021-01-07 05:22:40,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:40,184 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:40,185 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:22:40,655 WARN L197 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2021-01-07 05:22:40,656 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:40,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:22:40,687 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 72 [2021-01-07 05:22:40,690 INFO L547 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:22:41,147 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-01-07 05:22:41,148 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:22:41,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,154 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:41,155 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:41,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2021-01-07 05:22:41,172 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:41,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-07 05:22:41,178 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:41,186 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:41,187 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,188 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-07 05:22:41,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:41,198 INFO L547 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 5 dim-2 vars, End of recursive call: 16 dim-0 vars, and 5 xjuncts. [2021-01-07 05:22:41,199 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 16 variables, input treesize:1000, output treesize:768 [2021-01-07 05:22:41,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,205 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:41,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:41,208 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2021-01-07 05:22:41,219 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:41,220 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,222 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-07 05:22:41,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:41,231 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:41,232 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:41,235 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-07 05:22:41,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:41,992 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2021-01-07 05:22:42,015 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:42,017 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:42,019 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:42,019 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-07 05:22:42,022 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:22:42,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:42,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:42,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:42,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-07 05:22:42,043 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2021-01-07 05:22:42,050 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-07 05:22:42,052 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:42,053 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-07 05:22:42,054 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-07 05:22:42,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-07 05:23:23,633 WARN L197 SmtUtils]: Spent 40.88 s on a formula simplification that was a NOOP. DAG size: 263 [2021-01-07 05:23:25,699 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-01-07 05:23:51,020 WARN L197 SmtUtils]: Spent 24.57 s on a formula simplification. DAG size of input: 338 DAG size of output: 221 [2021-01-07 05:23:51,075 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2021-01-07 05:23:51,241 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:23:51,242 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 3 case distinctions, treesize of input 28 treesize of output 67 [2021-01-07 05:23:51,244 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:23:51,389 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:23:51,389 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 3 case distinctions, treesize of input 26 treesize of output 63 [2021-01-07 05:23:51,392 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:23:51,498 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:23:51,498 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 3 case distinctions, treesize of input 28 treesize of output 67 [2021-01-07 05:23:51,500 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:23:51,676 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:23:51,677 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 3 case distinctions, treesize of input 28 treesize of output 67 [2021-01-07 05:23:51,678 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:23:51,776 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:23:51,777 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 3 case distinctions, treesize of input 28 treesize of output 67 [2021-01-07 05:23:51,779 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-01-07 05:23:52,681 WARN L197 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 194 [2021-01-07 05:23:52,682 INFO L625 ElimStorePlain]: treesize reduction 121, result has 85.1 percent of original size [2021-01-07 05:23:52,699 INFO L547 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 1 dim-1 vars, End of recursive call: 20 dim-0 vars, and 5 xjuncts. [2021-01-07 05:23:52,699 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 17 variables, input treesize:776, output treesize:693 [2021-01-07 05:23:53,890 WARN L197 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-01-07 05:23:55,149 WARN L197 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-01-07 05:23:55,303 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2021-01-07 05:23:55,353 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2021-01-07 05:23:55,462 INFO L443 ElimStorePlain]: Different costs {90=[v_prenex_66, |#memory_$Pointer$.base|, v_prenex_64, v_prenex_62], 110=[v_prenex_60]} [2021-01-07 05:23:55,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:23:55,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:55,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:55,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:56,293 WARN L197 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 131 [2021-01-07 05:23:56,294 INFO L348 Elim1Store]: treesize reduction 66, result has 84.1 percent of original size [2021-01-07 05:23:56,295 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 11 new quantified variables, introduced 35 case distinctions, treesize of input 131 treesize of output 389 [2021-01-07 05:23:56,303 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2021-01-07 05:23:56,303 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2021-01-07 05:23:56,304 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2021-01-07 05:23:56,304 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,305 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,306 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,306 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,307 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,307 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,308 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,309 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,310 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,311 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,311 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,312 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,313 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,313 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,314 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,314 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,315 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,315 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,316 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,317 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,317 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,318 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,318 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,319 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,319 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,320 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,320 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,321 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,322 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,322 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,322 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,323 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,324 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,324 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,325 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,325 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,325 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,326 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,327 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2021-01-07 05:23:56,327 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,328 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,328 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,329 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,329 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,329 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,330 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,330 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,331 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,331 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,332 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,333 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,333 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,335 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,335 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,335 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,336 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,336 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,337 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,337 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,339 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,339 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,339 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,340 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,340 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,341 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,342 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,342 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,343 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,344 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,345 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,345 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,346 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,346 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,347 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,347 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,348 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,349 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,349 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,350 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:23:56,350 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,351 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,351 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,355 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,356 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,357 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,358 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,358 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,359 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,360 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,360 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,361 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,361 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,362 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,362 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,363 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,364 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,364 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,365 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,366 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,366 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,366 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,367 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,367 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,368 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,368 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,369 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,370 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,370 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,371 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,371 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,371 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,372 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,373 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,373 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,373 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,374 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,375 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,375 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,376 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,376 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,377 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,377 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,378 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,379 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2021-01-07 05:23:56,380 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,380 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,381 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,381 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,382 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,382 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,383 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,383 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,384 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,385 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,385 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,386 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,387 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,387 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,389 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,389 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,391 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,391 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,392 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,392 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,392 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,393 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,393 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,394 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,394 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,395 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,396 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,396 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,397 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,398 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,398 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,398 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,399 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,399 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,400 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,403 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2021-01-07 05:23:56,404 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2021-01-07 05:23:56,404 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2021-01-07 05:23:56,404 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,405 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,405 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,406 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,406 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,407 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,407 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,408 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,409 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,409 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,410 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,410 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,412 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,413 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,414 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,414 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,415 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,415 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,416 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,418 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,419 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,419 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,420 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,420 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,421 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,422 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,422 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,423 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,424 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,425 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,426 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,427 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,428 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,429 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,429 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,430 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,430 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,431 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,433 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2021-01-07 05:23:56,434 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2021-01-07 05:23:56,434 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,435 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,435 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,436 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,436 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,437 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,438 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,438 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,439 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,440 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,441 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,442 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,443 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,444 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,444 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,445 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,446 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,446 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,447 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,448 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,449 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,450 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,450 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,451 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,451 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,452 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,453 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,454 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,455 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,455 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,456 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,458 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,459 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,459 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,460 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,460 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,461 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,462 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,464 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,464 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,465 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,465 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,466 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,467 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,467 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,468 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,468 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,469 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,471 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,471 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,472 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,473 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2021-01-07 05:23:56,474 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,475 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,476 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,476 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,477 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,477 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,479 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,481 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,481 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,482 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,483 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,483 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,484 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,485 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,486 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,487 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,488 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,489 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,489 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,490 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,490 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,491 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,492 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-07 05:23:56,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,494 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,495 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,496 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,497 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,497 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,498 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,499 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,500 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,501 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,502 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,502 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,503 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,504 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,504 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,505 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,506 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,507 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,508 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,509 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,510 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2021-01-07 05:23:56,510 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,511 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,511 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,512 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,513 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,514 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,515 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,515 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,516 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,517 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,517 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-07 05:23:56,518 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,519 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,519 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,521 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-07 05:23:56,521 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-07 05:23:56,522 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-07 05:23:56,523 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-07 05:23:56,523 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-07 05:23:56,525 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:23:56,912 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2021-01-07 05:23:56,913 INFO L625 ElimStorePlain]: treesize reduction 697, result has 17.0 percent of original size [2021-01-07 05:23:56,914 INFO L515 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2021-01-07 05:23:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:56,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-07 05:23:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:56,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:56,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:23:57,584 WARN L197 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 105 [2021-01-07 05:23:57,585 INFO L348 Elim1Store]: treesize reduction 108, result has 73.7 percent of original size [2021-01-07 05:23:57,586 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 11 new quantified variables, introduced 35 case distinctions, treesize of input 120 treesize of output 338 [2021-01-07 05:23:57,591 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:23:57,673 INFO L625 ElimStorePlain]: treesize reduction 80, result has 26.6 percent of original size [2021-01-07 05:23:57,673 INFO L515 ElimStorePlain]: Eliminatee v_prenex_62 vanished before elimination [2021-01-07 05:23:57,673 INFO L515 ElimStorePlain]: Eliminatee v_prenex_60 vanished before elimination [2021-01-07 05:23:57,676 INFO L547 ElimStorePlain]: Start of recursive call 1: 25 dim-0 vars, 5 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-01-07 05:23:57,676 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 30 variables, input treesize:768, output treesize:20 [2021-01-07 05:23:58,228 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 19 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:23:58,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-07 05:23:58,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22] total 36 [2021-01-07 05:23:58,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270125099] [2021-01-07 05:23:58,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-01-07 05:23:58,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:23:58,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-01-07 05:23:58,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1132, Unknown=6, NotChecked=0, Total=1260 [2021-01-07 05:23:58,230 INFO L87 Difference]: Start difference. First operand 415 states and 529 transitions. Second operand 36 states. [2021-01-07 05:24:00,098 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-01-07 05:24:01,568 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-01-07 05:24:02,061 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-01-07 05:24:03,015 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2021-01-07 05:24:03,804 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-01-07 05:24:09,685 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2021-01-07 05:24:15,706 WARN L197 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2021-01-07 05:24:21,245 WARN L197 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-01-07 05:24:27,977 WARN L197 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 227 DAG size of output: 227 [2021-01-07 05:24:28,396 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-01-07 05:24:30,587 WARN L197 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2021-01-07 05:24:31,147 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45