/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/memsafety/test-0235-3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 05:13:45,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 05:13:45,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 05:13:45,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 05:13:45,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 05:13:45,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 05:13:45,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 05:13:45,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 05:13:45,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 05:13:45,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 05:13:45,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 05:13:45,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 05:13:45,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 05:13:45,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 05:13:45,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 05:13:45,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 05:13:45,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 05:13:45,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 05:13:45,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 05:13:45,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 05:13:45,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 05:13:45,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 05:13:45,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 05:13:45,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 05:13:45,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 05:13:45,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 05:13:45,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 05:13:45,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 05:13:45,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 05:13:45,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 05:13:45,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 05:13:45,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 05:13:45,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 05:13:45,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 05:13:45,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 05:13:45,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 05:13:45,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 05:13:45,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 05:13:45,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 05:13:45,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 05:13:45,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 05:13:45,471 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 05:13:45,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 05:13:45,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 05:13:45,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 05:13:45,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 05:13:45,520 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 05:13:45,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 05:13:45,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-01-07 05:13:45,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 05:13:45,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 05:13:45,521 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-01-07 05:13:45,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-01-07 05:13:45,522 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-01-07 05:13:45,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 05:13:45,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-01-07 05:13:45,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 05:13:45,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 05:13:45,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 05:13:45,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 05:13:45,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 05:13:45,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 05:13:45,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 05:13:45,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 05:13:45,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 05:13:45,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 05:13:45,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 05:13:45,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 05:13:45,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 05:13:45,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 05:13:45,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 05:13:45,960 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 05:13:45,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0235-3.i [2021-01-07 05:13:46,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/042e9f86f/4ab637403af446468bd73041994dce41/FLAG44985915d [2021-01-07 05:13:46,804 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 05:13:46,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/memsafety/test-0235-3.i [2021-01-07 05:13:46,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/042e9f86f/4ab637403af446468bd73041994dce41/FLAG44985915d [2021-01-07 05:13:47,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/042e9f86f/4ab637403af446468bd73041994dce41 [2021-01-07 05:13:47,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 05:13:47,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 05:13:47,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 05:13:47,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 05:13:47,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 05:13:47,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:47,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd5f858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47, skipping insertion in model container [2021-01-07 05:13:47,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:47,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 05:13:47,133 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~item~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~0,],base],StructAccessExpression[IdentifierExpression[~item~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~item~1,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~2,],base],StructAccessExpression[IdentifierExpression[~item~2,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~3,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~item~3,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~4,],base],StructAccessExpression[IdentifierExpression[~item~4,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] [2021-01-07 05:13:47,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:13:47,758 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~item~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~0,],base],StructAccessExpression[IdentifierExpression[~item~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~item~1,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~2,],base],StructAccessExpression[IdentifierExpression[~item~2,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~3,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~item~3,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~item~4,],base],StructAccessExpression[IdentifierExpression[~item~4,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] left hand side expression in assignment: lhs: VariableLHS[~list,] [2021-01-07 05:13:47,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:13:47,975 INFO L208 MainTranslator]: Completed translation [2021-01-07 05:13:47,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47 WrapperNode [2021-01-07 05:13:47,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 05:13:47,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 05:13:47,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 05:13:47,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 05:13:47,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 05:13:48,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 05:13:48,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 05:13:48,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 05:13:48,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (1/1) ... [2021-01-07 05:13:48,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 05:13:48,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 05:13:48,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 05:13:48,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 05:13:48,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (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 05:13:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 05:13:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 05:13:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 05:13:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 05:13:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 05:13:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-01-07 05:13:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 05:13:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 05:13:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 05:13:50,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 05:13:50,058 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-01-07 05:13:50,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:13:50 BoogieIcfgContainer [2021-01-07 05:13:50,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 05:13:50,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 05:13:50,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 05:13:50,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 05:13:50,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 05:13:47" (1/3) ... [2021-01-07 05:13:50,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c82d13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:13:50, skipping insertion in model container [2021-01-07 05:13:50,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:47" (2/3) ... [2021-01-07 05:13:50,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c82d13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:13:50, skipping insertion in model container [2021-01-07 05:13:50,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:13:50" (3/3) ... [2021-01-07 05:13:50,070 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0235-3.i [2021-01-07 05:13:50,076 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 05:13:50,082 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 327 error locations. [2021-01-07 05:13:50,101 INFO L253 AbstractCegarLoop]: Starting to check reachability of 327 error locations. [2021-01-07 05:13:50,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 05:13:50,124 INFO L378 AbstractCegarLoop]: Hoare is false [2021-01-07 05:13:50,125 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 05:13:50,125 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 05:13:50,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 05:13:50,125 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 05:13:50,125 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 05:13:50,125 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 05:13:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states. [2021-01-07 05:13:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-01-07 05:13:50,170 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:13:50,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-01-07 05:13:50,172 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr256ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr219REQUIRES_VIOLATION, ULTIMATE.startErr284REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr117ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr173REQUIRES_VIOLATION, ULTIMATE.startErr321ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr303ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr301ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr295REQUIRES_VIOLATION, ULTIMATE.startErr314REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr184REQUIRES_VIOLATION, ULTIMATE.startErr230REQUIRES_VIOLATION, ULTIMATE.startErr146ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr218ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr211REQUIRES_VIOLATION, ULTIMATE.startErr276ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr162ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr238ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr127REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr137ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr249REQUIRES_VIOLATION, ULTIMATE.startErr165REQUIRES_VIOLATION, ULTIMATE.startErr198ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr195REQUIRES_VIOLATION, ULTIMATE.startErr325REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr323ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_VIOLATION, ULTIMATE.startErr287REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr258ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr216ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr231ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr267ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr214REQUIRES_VIOLATION, ULTIMATE.startErr279REQUIRES_VIOLATION, ULTIMATE.startErr157ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr260REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr252REQUIRES_VIOLATION, ULTIMATE.startErr317ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr326ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr309REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr290REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr308ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr316ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, ULTIMATE.startErr298ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr121ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr187ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr223ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr179REQUIRES_VIOLATION, ULTIMATE.startErr320REQUIRES_VIOLATION, ULTIMATE.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr307ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr133REQUIRES_VIOLATION, ULTIMATE.startErr293REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr209REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr176ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr274REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr255REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr158ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr190REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr247REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr112ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr144REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr174REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr226ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr220REQUIRES_VIOLATION, ULTIMATE.startErr304REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr203ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr285REQUIRES_VIOLATION, ULTIMATE.startErr142ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr221ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr128REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr155REQUIRES_VIOLATION, ULTIMATE.startErr239REQUIRES_VIOLATION, ULTIMATE.startErr151ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr185REQUIRES_VIOLATION, ULTIMATE.startErr250REQUIRES_VIOLATION, ULTIMATE.startErr271ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr315REQUIRES_VIOLATION, ULTIMATE.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr296ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr288REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr312ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr302ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131REQUIRES_VIOLATION, ULTIMATE.startErr163ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr150REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr237ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr234REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr311ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr299REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr322ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr310REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr291REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr192ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr207REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr138ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr147ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr172REQUIRES_VIOLATION, ULTIMATE.startErr264REQUIRES_VIOLATION, ULTIMATE.startErr318ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr180REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr282ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr134REQUIRES_VIOLATION, ULTIMATE.startErr199REQUIRES_VIOLATION, ULTIMATE.startErr273ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr164REQUIRES_VIOLATION, ULTIMATE.startErr229REQUIRES_VIOLATION, ULTIMATE.startErr257ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr294REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr210REQUIRES_VIOLATION, ULTIMATE.startErr275REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr241ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr181ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr156ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr145REQUIRES_VIOLATION, ULTIMATE.startErr232ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr248REQUIRES_VIOLATION, ULTIMATE.startErr266ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr175REQUIRES_VIOLATION, ULTIMATE.startErr305REQUIRES_VIOLATION, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr240REQUIRES_VIOLATION, ULTIMATE.startErr177ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr194REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr286REQUIRES_VIOLATION, ULTIMATE.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_VIOLATION, ULTIMATE.startErr324REQUIRES_VIOLATION, ULTIMATE.startErr113ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr251REQUIRES_VIOLATION, ULTIMATE.startErr197ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr243ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr141ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr140REQUIRES_VIOLATION, ULTIMATE.startErr222ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr297ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr224REQUIRES_VIOLATION, ULTIMATE.startErr289REQUIRES_VIOLATION, ULTIMATE.startErr306ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr167REQUIRES_VIOLATION, ULTIMATE.startErr205REQUIRES_VIOLATION, ULTIMATE.startErr188ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr268ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr270REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr132REQUIRES_VIOLATION, ULTIMATE.startErr263ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr272ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr277ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr170REQUIRES_VIOLATION, ULTIMATE.startErr161ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr143ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr159REQUIRES_VIOLATION, ULTIMATE.startErr202ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr235REQUIRES_VIOLATION, ULTIMATE.startErr300REQUIRES_VIOLATION, ULTIMATE.startErr313ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr193ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr208REQUIRES_VIOLATION, ULTIMATE.startErr227ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr118ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr236ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr319REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr254REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr186ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr246REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr189REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr152ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr124REQUIRES_VIOLATION, ULTIMATE.startErr292REQUIRES_VIOLATION]=== [2021-01-07 05:13:50,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:13:50,179 INFO L82 PathProgramCache]: Analyzing trace with hash 933638, now seen corresponding path program 1 times [2021-01-07 05:13:50,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:13:50,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832158741] [2021-01-07 05:13:50,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:13:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:13:50,335 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 05:13:50,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832158741] [2021-01-07 05:13:50,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:13:50,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:13:50,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868560677] [2021-01-07 05:13:50,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 05:13:50,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:13:50,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 05:13:50,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 05:13:50,358 INFO L87 Difference]: Start difference. First operand 861 states. Second operand 2 states. [2021-01-07 05:13:50,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:13:50,417 INFO L93 Difference]: Finished difference Result 861 states and 976 transitions. [2021-01-07 05:13:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 05:13:50,419 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2021-01-07 05:13:50,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:13:50,441 INFO L225 Difference]: With dead ends: 861 [2021-01-07 05:13:50,442 INFO L226 Difference]: Without dead ends: 859 [2021-01-07 05:13:50,443 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 05:13:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2021-01-07 05:13:50,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2021-01-07 05:13:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2021-01-07 05:13:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 974 transitions. [2021-01-07 05:13:50,543 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 974 transitions. Word has length 4 [2021-01-07 05:13:50,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:13:50,543 INFO L481 AbstractCegarLoop]: Abstraction has 859 states and 974 transitions. [2021-01-07 05:13:50,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 05:13:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 974 transitions. [2021-01-07 05:13:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-01-07 05:13:50,544 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:13:50,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-01-07 05:13:50,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 05:13:50,545 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr256ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr219REQUIRES_VIOLATION, ULTIMATE.startErr284REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr117ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr173REQUIRES_VIOLATION, ULTIMATE.startErr321ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr303ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr301ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr295REQUIRES_VIOLATION, ULTIMATE.startErr314REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr184REQUIRES_VIOLATION, ULTIMATE.startErr230REQUIRES_VIOLATION, ULTIMATE.startErr146ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr218ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr211REQUIRES_VIOLATION, ULTIMATE.startErr276ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr162ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr238ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr127REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr137ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr249REQUIRES_VIOLATION, ULTIMATE.startErr165REQUIRES_VIOLATION, ULTIMATE.startErr198ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr195REQUIRES_VIOLATION, ULTIMATE.startErr325REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr323ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_VIOLATION, ULTIMATE.startErr287REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr258ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr216ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr231ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr267ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr214REQUIRES_VIOLATION, ULTIMATE.startErr279REQUIRES_VIOLATION, ULTIMATE.startErr157ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr260REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr252REQUIRES_VIOLATION, ULTIMATE.startErr317ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr326ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr309REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr290REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr308ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr316ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, ULTIMATE.startErr298ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr121ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr187ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr223ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr179REQUIRES_VIOLATION, ULTIMATE.startErr320REQUIRES_VIOLATION, ULTIMATE.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr307ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr133REQUIRES_VIOLATION, ULTIMATE.startErr293REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr209REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr176ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr274REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr255REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr158ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr190REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr247REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr112ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr144REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr174REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr226ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr220REQUIRES_VIOLATION, ULTIMATE.startErr304REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr203ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr285REQUIRES_VIOLATION, ULTIMATE.startErr142ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr221ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr128REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr155REQUIRES_VIOLATION, ULTIMATE.startErr239REQUIRES_VIOLATION, ULTIMATE.startErr151ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr185REQUIRES_VIOLATION, ULTIMATE.startErr250REQUIRES_VIOLATION, ULTIMATE.startErr271ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr315REQUIRES_VIOLATION, ULTIMATE.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr296ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr288REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr312ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr302ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131REQUIRES_VIOLATION, ULTIMATE.startErr163ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr150REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr237ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr234REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr311ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr299REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr322ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr310REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr291REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr192ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr207REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr138ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr147ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr172REQUIRES_VIOLATION, ULTIMATE.startErr264REQUIRES_VIOLATION, ULTIMATE.startErr318ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr180REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr282ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr134REQUIRES_VIOLATION, ULTIMATE.startErr199REQUIRES_VIOLATION, ULTIMATE.startErr273ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr164REQUIRES_VIOLATION, ULTIMATE.startErr229REQUIRES_VIOLATION, ULTIMATE.startErr257ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr294REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr210REQUIRES_VIOLATION, ULTIMATE.startErr275REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr241ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr181ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr156ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr145REQUIRES_VIOLATION, ULTIMATE.startErr232ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr248REQUIRES_VIOLATION, ULTIMATE.startErr266ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr175REQUIRES_VIOLATION, ULTIMATE.startErr305REQUIRES_VIOLATION, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr240REQUIRES_VIOLATION, ULTIMATE.startErr177ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr194REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr286REQUIRES_VIOLATION, ULTIMATE.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_VIOLATION, ULTIMATE.startErr324REQUIRES_VIOLATION, ULTIMATE.startErr113ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr251REQUIRES_VIOLATION, ULTIMATE.startErr197ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr243ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr141ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr140REQUIRES_VIOLATION, ULTIMATE.startErr222ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr297ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr224REQUIRES_VIOLATION, ULTIMATE.startErr289REQUIRES_VIOLATION, ULTIMATE.startErr306ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr167REQUIRES_VIOLATION, ULTIMATE.startErr205REQUIRES_VIOLATION, ULTIMATE.startErr188ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr268ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr270REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr132REQUIRES_VIOLATION, ULTIMATE.startErr263ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr272ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr277ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr170REQUIRES_VIOLATION, ULTIMATE.startErr161ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr143ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr159REQUIRES_VIOLATION, ULTIMATE.startErr202ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr235REQUIRES_VIOLATION, ULTIMATE.startErr300REQUIRES_VIOLATION, ULTIMATE.startErr313ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr193ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr208REQUIRES_VIOLATION, ULTIMATE.startErr227ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr118ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr236ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr319REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr254REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr186ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr246REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr189REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr152ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr124REQUIRES_VIOLATION, ULTIMATE.startErr292REQUIRES_VIOLATION]=== [2021-01-07 05:13:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:13:50,547 INFO L82 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2021-01-07 05:13:50,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:13:50,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463281970] [2021-01-07 05:13:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:13:50,564 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:13:50,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763000455] [2021-01-07 05:13:50,565 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 05:13:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:13:50,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 05:13:50,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:13:50,728 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 05:13:50,730 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:13:50,737 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:13:50,738 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:13:50,739 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 05:13:50,744 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 05:13:50,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463281970] [2021-01-07 05:13:50,745 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:13:50,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763000455] [2021-01-07 05:13:50,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:13:50,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:13:50,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537631402] [2021-01-07 05:13:50,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:13:50,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:13:50,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:13:50,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:13:50,750 INFO L87 Difference]: Start difference. First operand 859 states and 974 transitions. Second operand 3 states. [2021-01-07 05:13:51,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:13:51,538 INFO L93 Difference]: Finished difference Result 1584 states and 1803 transitions. [2021-01-07 05:13:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:13:51,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2021-01-07 05:13:51,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:13:51,548 INFO L225 Difference]: With dead ends: 1584 [2021-01-07 05:13:51,548 INFO L226 Difference]: Without dead ends: 1584 [2021-01-07 05:13:51,549 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 05:13:51,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2021-01-07 05:13:51,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 853. [2021-01-07 05:13:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2021-01-07 05:13:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 968 transitions. [2021-01-07 05:13:51,585 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 968 transitions. Word has length 4 [2021-01-07 05:13:51,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:13:51,585 INFO L481 AbstractCegarLoop]: Abstraction has 853 states and 968 transitions. [2021-01-07 05:13:51,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:13:51,586 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 968 transitions. [2021-01-07 05:13:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-01-07 05:13:51,586 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:13:51,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-01-07 05:13:51,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-01-07 05:13:51,803 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr256ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr219REQUIRES_VIOLATION, ULTIMATE.startErr284REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr117ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr173REQUIRES_VIOLATION, ULTIMATE.startErr321ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr303ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr301ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr295REQUIRES_VIOLATION, ULTIMATE.startErr314REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr184REQUIRES_VIOLATION, ULTIMATE.startErr230REQUIRES_VIOLATION, ULTIMATE.startErr146ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr218ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr211REQUIRES_VIOLATION, ULTIMATE.startErr276ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr162ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr238ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr127REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr137ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr249REQUIRES_VIOLATION, ULTIMATE.startErr165REQUIRES_VIOLATION, ULTIMATE.startErr198ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr195REQUIRES_VIOLATION, ULTIMATE.startErr325REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr323ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_VIOLATION, ULTIMATE.startErr287REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr258ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr216ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr231ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr267ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr214REQUIRES_VIOLATION, ULTIMATE.startErr279REQUIRES_VIOLATION, ULTIMATE.startErr157ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr260REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr252REQUIRES_VIOLATION, ULTIMATE.startErr317ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr326ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr309REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr290REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr308ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr316ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, ULTIMATE.startErr298ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr121ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr187ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr223ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr179REQUIRES_VIOLATION, ULTIMATE.startErr320REQUIRES_VIOLATION, ULTIMATE.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr307ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr133REQUIRES_VIOLATION, ULTIMATE.startErr293REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr209REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr176ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr274REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr255REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr158ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr190REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr247REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr112ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr144REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr174REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr226ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr220REQUIRES_VIOLATION, ULTIMATE.startErr304REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr203ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr285REQUIRES_VIOLATION, ULTIMATE.startErr142ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr221ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr128REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr155REQUIRES_VIOLATION, ULTIMATE.startErr239REQUIRES_VIOLATION, ULTIMATE.startErr151ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr185REQUIRES_VIOLATION, ULTIMATE.startErr250REQUIRES_VIOLATION, ULTIMATE.startErr271ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr315REQUIRES_VIOLATION, ULTIMATE.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr296ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr288REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr312ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr302ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131REQUIRES_VIOLATION, ULTIMATE.startErr163ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr150REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr237ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr234REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr311ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr299REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr322ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr310REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr291REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr192ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr207REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr138ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr147ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr172REQUIRES_VIOLATION, ULTIMATE.startErr264REQUIRES_VIOLATION, ULTIMATE.startErr318ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr180REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr282ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr134REQUIRES_VIOLATION, ULTIMATE.startErr199REQUIRES_VIOLATION, ULTIMATE.startErr273ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr164REQUIRES_VIOLATION, ULTIMATE.startErr229REQUIRES_VIOLATION, ULTIMATE.startErr257ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr294REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr210REQUIRES_VIOLATION, ULTIMATE.startErr275REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr241ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr181ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr156ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr145REQUIRES_VIOLATION, ULTIMATE.startErr232ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr248REQUIRES_VIOLATION, ULTIMATE.startErr266ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr175REQUIRES_VIOLATION, ULTIMATE.startErr305REQUIRES_VIOLATION, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr240REQUIRES_VIOLATION, ULTIMATE.startErr177ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr194REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr286REQUIRES_VIOLATION, ULTIMATE.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_VIOLATION, ULTIMATE.startErr324REQUIRES_VIOLATION, ULTIMATE.startErr113ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr251REQUIRES_VIOLATION, ULTIMATE.startErr197ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr243ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr141ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr140REQUIRES_VIOLATION, ULTIMATE.startErr222ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr297ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr224REQUIRES_VIOLATION, ULTIMATE.startErr289REQUIRES_VIOLATION, ULTIMATE.startErr306ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr167REQUIRES_VIOLATION, ULTIMATE.startErr205REQUIRES_VIOLATION, ULTIMATE.startErr188ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr268ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr270REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr132REQUIRES_VIOLATION, ULTIMATE.startErr263ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr272ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr277ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr170REQUIRES_VIOLATION, ULTIMATE.startErr161ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr143ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr159REQUIRES_VIOLATION, ULTIMATE.startErr202ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr235REQUIRES_VIOLATION, ULTIMATE.startErr300REQUIRES_VIOLATION, ULTIMATE.startErr313ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr193ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr208REQUIRES_VIOLATION, ULTIMATE.startErr227ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr118ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr236ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr319REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr254REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr186ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr246REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr189REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr152ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr124REQUIRES_VIOLATION, ULTIMATE.startErr292REQUIRES_VIOLATION]=== [2021-01-07 05:13:51,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:13:51,804 INFO L82 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2021-01-07 05:13:51,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:13:51,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895775627] [2021-01-07 05:13:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:13:51,825 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:13:51,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287336375] [2021-01-07 05:13:51,825 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 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 05:13:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:13:51,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2021-01-07 05:13:51,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:13:51,991 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:13:52,104 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:13:52,328 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 14 treesize of output 13 [2021-01-07 05:13:52,329 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:13:57,501 WARN L197 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2021-01-07 05:13:57,504 INFO L625 ElimStorePlain]: treesize reduction 11, result has 91.7 percent of original size [2021-01-07 05:13:57,524 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 15 treesize of output 14 [2021-01-07 05:13:57,525 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:08,216 WARN L197 SmtUtils]: Spent 10.69 s on a formula simplification that was a NOOP. DAG size: 44 [2021-01-07 05:14:08,217 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:08,256 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2021-01-07 05:14:08,257 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:134, output treesize:121 [2021-01-07 05:14:08,431 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 05:14:08,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895775627] [2021-01-07 05:14:08,432 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:14:08,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287336375] [2021-01-07 05:14:08,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:14:08,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:14:08,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910337812] [2021-01-07 05:14:08,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:14:08,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:14:08,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:14:08,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:14:08,435 INFO L87 Difference]: Start difference. First operand 853 states and 968 transitions. Second operand 3 states. [2021-01-07 05:14:15,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:14:15,600 INFO L93 Difference]: Finished difference Result 868 states and 985 transitions. [2021-01-07 05:14:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:14:15,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-01-07 05:14:15,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:14:15,605 INFO L225 Difference]: With dead ends: 868 [2021-01-07 05:14:15,605 INFO L226 Difference]: Without dead ends: 868 [2021-01-07 05:14:15,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:14:15,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2021-01-07 05:14:15,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 856. [2021-01-07 05:14:15,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2021-01-07 05:14:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 971 transitions. [2021-01-07 05:14:15,626 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 971 transitions. Word has length 5 [2021-01-07 05:14:15,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:14:15,626 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 971 transitions. [2021-01-07 05:14:15,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:14:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 971 transitions. [2021-01-07 05:14:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-07 05:14:15,627 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:14:15,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:14:15,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:14:15,845 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr256ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr219REQUIRES_VIOLATION, ULTIMATE.startErr284REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr117ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr173REQUIRES_VIOLATION, ULTIMATE.startErr321ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr303ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr301ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr295REQUIRES_VIOLATION, ULTIMATE.startErr314REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr184REQUIRES_VIOLATION, ULTIMATE.startErr230REQUIRES_VIOLATION, ULTIMATE.startErr146ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr218ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr211REQUIRES_VIOLATION, ULTIMATE.startErr276ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr162ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr238ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr127REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr137ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr249REQUIRES_VIOLATION, ULTIMATE.startErr165REQUIRES_VIOLATION, ULTIMATE.startErr198ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr195REQUIRES_VIOLATION, ULTIMATE.startErr325REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr323ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_VIOLATION, ULTIMATE.startErr287REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr258ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr216ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr231ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr267ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr214REQUIRES_VIOLATION, ULTIMATE.startErr279REQUIRES_VIOLATION, ULTIMATE.startErr157ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr260REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr252REQUIRES_VIOLATION, ULTIMATE.startErr317ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr326ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr309REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr290REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr308ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr316ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, ULTIMATE.startErr298ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr121ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr187ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr223ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr179REQUIRES_VIOLATION, ULTIMATE.startErr320REQUIRES_VIOLATION, ULTIMATE.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr307ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr133REQUIRES_VIOLATION, ULTIMATE.startErr293REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr209REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr176ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr274REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr255REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr158ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr190REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr247REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr112ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr144REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr174REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr226ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr220REQUIRES_VIOLATION, ULTIMATE.startErr304REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr203ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr285REQUIRES_VIOLATION, ULTIMATE.startErr142ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr221ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr128REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr155REQUIRES_VIOLATION, ULTIMATE.startErr239REQUIRES_VIOLATION, ULTIMATE.startErr151ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr185REQUIRES_VIOLATION, ULTIMATE.startErr250REQUIRES_VIOLATION, ULTIMATE.startErr271ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr315REQUIRES_VIOLATION, ULTIMATE.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr296ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr288REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr312ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr302ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131REQUIRES_VIOLATION, ULTIMATE.startErr163ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr150REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr237ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr234REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr311ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr299REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr322ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr310REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr291REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr192ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr207REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr138ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr147ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr172REQUIRES_VIOLATION, ULTIMATE.startErr264REQUIRES_VIOLATION, ULTIMATE.startErr318ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr180REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr282ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr134REQUIRES_VIOLATION, ULTIMATE.startErr199REQUIRES_VIOLATION, ULTIMATE.startErr273ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr164REQUIRES_VIOLATION, ULTIMATE.startErr229REQUIRES_VIOLATION, ULTIMATE.startErr257ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr294REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr210REQUIRES_VIOLATION, ULTIMATE.startErr275REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr241ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr181ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr156ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr145REQUIRES_VIOLATION, ULTIMATE.startErr232ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr248REQUIRES_VIOLATION, ULTIMATE.startErr266ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr175REQUIRES_VIOLATION, ULTIMATE.startErr305REQUIRES_VIOLATION, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr240REQUIRES_VIOLATION, ULTIMATE.startErr177ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr194REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr286REQUIRES_VIOLATION, ULTIMATE.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_VIOLATION, ULTIMATE.startErr324REQUIRES_VIOLATION, ULTIMATE.startErr113ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr251REQUIRES_VIOLATION, ULTIMATE.startErr197ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr243ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr141ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr140REQUIRES_VIOLATION, ULTIMATE.startErr222ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr297ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr224REQUIRES_VIOLATION, ULTIMATE.startErr289REQUIRES_VIOLATION, ULTIMATE.startErr306ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr167REQUIRES_VIOLATION, ULTIMATE.startErr205REQUIRES_VIOLATION, ULTIMATE.startErr188ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr268ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr270REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr132REQUIRES_VIOLATION, ULTIMATE.startErr263ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr272ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr277ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr170REQUIRES_VIOLATION, ULTIMATE.startErr161ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr143ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr159REQUIRES_VIOLATION, ULTIMATE.startErr202ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr235REQUIRES_VIOLATION, ULTIMATE.startErr300REQUIRES_VIOLATION, ULTIMATE.startErr313ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr193ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr208REQUIRES_VIOLATION, ULTIMATE.startErr227ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr118ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr236ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr319REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr254REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr186ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr246REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr189REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr152ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr124REQUIRES_VIOLATION, ULTIMATE.startErr292REQUIRES_VIOLATION]=== [2021-01-07 05:14:15,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:14:15,846 INFO L82 PathProgramCache]: Analyzing trace with hash 894034927, now seen corresponding path program 1 times [2021-01-07 05:14:15,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:14:15,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739586569] [2021-01-07 05:14:15,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:14:15,870 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:14:15,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [852843604] [2021-01-07 05:14:15,871 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 05:14:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:14:16,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 20 conjunts are in the unsatisfiable core [2021-01-07 05:14:16,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:14:16,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:14:16,104 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:14:16,213 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 14 treesize of output 13 [2021-01-07 05:14:16,214 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:21,876 WARN L197 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2021-01-07 05:14:21,878 INFO L625 ElimStorePlain]: treesize reduction 11, result has 91.7 percent of original size [2021-01-07 05:14:21,892 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 15 treesize of output 14 [2021-01-07 05:14:21,893 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:30,697 WARN L197 SmtUtils]: Spent 8.80 s on a formula simplification that was a NOOP. DAG size: 44 [2021-01-07 05:14:30,698 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:30,722 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2021-01-07 05:14:30,723 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:134, output treesize:121 [2021-01-07 05:14:30,909 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 05:14:30,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739586569] [2021-01-07 05:14:30,910 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:14:30,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852843604] [2021-01-07 05:14:30,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:14:30,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:14:30,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567265085] [2021-01-07 05:14:30,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:14:30,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:14:30,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:14:30,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:14:30,912 INFO L87 Difference]: Start difference. First operand 856 states and 971 transitions. Second operand 3 states. [2021-01-07 05:14:36,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:14:36,465 INFO L93 Difference]: Finished difference Result 854 states and 969 transitions. [2021-01-07 05:14:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:14:36,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-01-07 05:14:36,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:14:36,471 INFO L225 Difference]: With dead ends: 854 [2021-01-07 05:14:36,471 INFO L226 Difference]: Without dead ends: 854 [2021-01-07 05:14:36,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 05:14:36,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2021-01-07 05:14:36,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 847. [2021-01-07 05:14:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2021-01-07 05:14:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 962 transitions. [2021-01-07 05:14:36,488 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 962 transitions. Word has length 13 [2021-01-07 05:14:36,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:14:36,489 INFO L481 AbstractCegarLoop]: Abstraction has 847 states and 962 transitions. [2021-01-07 05:14:36,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:14:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 962 transitions. [2021-01-07 05:14:36,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-07 05:14:36,491 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:14:36,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:14:36,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:14:36,708 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr256ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr219REQUIRES_VIOLATION, ULTIMATE.startErr284REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr117ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr173REQUIRES_VIOLATION, ULTIMATE.startErr321ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr303ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr301ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr295REQUIRES_VIOLATION, ULTIMATE.startErr314REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr184REQUIRES_VIOLATION, ULTIMATE.startErr230REQUIRES_VIOLATION, ULTIMATE.startErr146ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr218ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr211REQUIRES_VIOLATION, ULTIMATE.startErr276ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr162ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr238ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr127REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr137ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr249REQUIRES_VIOLATION, ULTIMATE.startErr165REQUIRES_VIOLATION, ULTIMATE.startErr198ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr195REQUIRES_VIOLATION, ULTIMATE.startErr325REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr323ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_VIOLATION, ULTIMATE.startErr287REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr258ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr216ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr231ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr267ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr214REQUIRES_VIOLATION, ULTIMATE.startErr279REQUIRES_VIOLATION, ULTIMATE.startErr157ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr260REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr252REQUIRES_VIOLATION, ULTIMATE.startErr317ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr326ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr309REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr290REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr308ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr316ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, ULTIMATE.startErr298ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr121ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr187ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr223ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr179REQUIRES_VIOLATION, ULTIMATE.startErr320REQUIRES_VIOLATION, ULTIMATE.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr307ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr133REQUIRES_VIOLATION, ULTIMATE.startErr293REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr209REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr176ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr274REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr255REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr158ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr190REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr247REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr112ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr144REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr174REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr226ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr220REQUIRES_VIOLATION, ULTIMATE.startErr304REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr203ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr285REQUIRES_VIOLATION, ULTIMATE.startErr142ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr221ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr128REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr155REQUIRES_VIOLATION, ULTIMATE.startErr239REQUIRES_VIOLATION, ULTIMATE.startErr151ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr185REQUIRES_VIOLATION, ULTIMATE.startErr250REQUIRES_VIOLATION, ULTIMATE.startErr271ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr315REQUIRES_VIOLATION, ULTIMATE.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr296ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr288REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr312ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr302ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131REQUIRES_VIOLATION, ULTIMATE.startErr163ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr150REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr237ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr234REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr311ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr299REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr322ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr310REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr291REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr192ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr207REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr138ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr147ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr172REQUIRES_VIOLATION, ULTIMATE.startErr264REQUIRES_VIOLATION, ULTIMATE.startErr318ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr180REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr282ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr134REQUIRES_VIOLATION, ULTIMATE.startErr199REQUIRES_VIOLATION, ULTIMATE.startErr273ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr164REQUIRES_VIOLATION, ULTIMATE.startErr229REQUIRES_VIOLATION, ULTIMATE.startErr257ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr294REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr210REQUIRES_VIOLATION, ULTIMATE.startErr275REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr241ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr181ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr156ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr145REQUIRES_VIOLATION, ULTIMATE.startErr232ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr248REQUIRES_VIOLATION, ULTIMATE.startErr266ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr175REQUIRES_VIOLATION, ULTIMATE.startErr305REQUIRES_VIOLATION, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr240REQUIRES_VIOLATION, ULTIMATE.startErr177ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr194REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr286REQUIRES_VIOLATION, ULTIMATE.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_VIOLATION, ULTIMATE.startErr324REQUIRES_VIOLATION, ULTIMATE.startErr113ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr251REQUIRES_VIOLATION, ULTIMATE.startErr197ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr243ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr141ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr140REQUIRES_VIOLATION, ULTIMATE.startErr222ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr297ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr224REQUIRES_VIOLATION, ULTIMATE.startErr289REQUIRES_VIOLATION, ULTIMATE.startErr306ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr167REQUIRES_VIOLATION, ULTIMATE.startErr205REQUIRES_VIOLATION, ULTIMATE.startErr188ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr268ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr270REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr132REQUIRES_VIOLATION, ULTIMATE.startErr263ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr272ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr277ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr170REQUIRES_VIOLATION, ULTIMATE.startErr161ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr143ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr159REQUIRES_VIOLATION, ULTIMATE.startErr202ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr235REQUIRES_VIOLATION, ULTIMATE.startErr300REQUIRES_VIOLATION, ULTIMATE.startErr313ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr193ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr208REQUIRES_VIOLATION, ULTIMATE.startErr227ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr118ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr236ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr319REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr254REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr186ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr246REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr189REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr152ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr124REQUIRES_VIOLATION, ULTIMATE.startErr292REQUIRES_VIOLATION]=== [2021-01-07 05:14:36,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:14:36,709 INFO L82 PathProgramCache]: Analyzing trace with hash -144007726, now seen corresponding path program 1 times [2021-01-07 05:14:36,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:14:36,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201165495] [2021-01-07 05:14:36,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:14:36,734 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:14:36,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849445217] [2021-01-07 05:14:36,735 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 05:14:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:14:36,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-07 05:14:36,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:14:36,930 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 05:14:36,931 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:36,935 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:36,939 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:14:36,940 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 05:14:37,022 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:37,022 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 05:14:37,024 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:37,040 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2021-01-07 05:14:37,041 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 05:14:37,041 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2021-01-07 05:14:37,070 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 05:14:37,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201165495] [2021-01-07 05:14:37,071 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:14:37,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849445217] [2021-01-07 05:14:37,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:14:37,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-07 05:14:37,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023892507] [2021-01-07 05:14:37,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 05:14:37,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:14:37,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 05:14:37,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-07 05:14:37,082 INFO L87 Difference]: Start difference. First operand 847 states and 962 transitions. Second operand 7 states. [2021-01-07 05:14:38,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:14:38,957 INFO L93 Difference]: Finished difference Result 1608 states and 1831 transitions. [2021-01-07 05:14:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-07 05:14:38,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2021-01-07 05:14:38,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:14:38,966 INFO L225 Difference]: With dead ends: 1608 [2021-01-07 05:14:38,966 INFO L226 Difference]: Without dead ends: 1608 [2021-01-07 05:14:38,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-01-07 05:14:38,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2021-01-07 05:14:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 845. [2021-01-07 05:14:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2021-01-07 05:14:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 960 transitions. [2021-01-07 05:14:38,989 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 960 transitions. Word has length 50 [2021-01-07 05:14:38,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:14:38,990 INFO L481 AbstractCegarLoop]: Abstraction has 845 states and 960 transitions. [2021-01-07 05:14:38,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 05:14:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 960 transitions. [2021-01-07 05:14:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-07 05:14:38,995 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:14:38,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 05:14:39,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:14:39,211 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr256ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr219REQUIRES_VIOLATION, ULTIMATE.startErr284REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr117ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr173REQUIRES_VIOLATION, ULTIMATE.startErr321ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr303ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr301ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr295REQUIRES_VIOLATION, ULTIMATE.startErr314REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr184REQUIRES_VIOLATION, ULTIMATE.startErr230REQUIRES_VIOLATION, ULTIMATE.startErr146ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr218ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr211REQUIRES_VIOLATION, ULTIMATE.startErr276ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr162ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr238ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr127REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr137ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr249REQUIRES_VIOLATION, ULTIMATE.startErr165REQUIRES_VIOLATION, ULTIMATE.startErr198ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr195REQUIRES_VIOLATION, ULTIMATE.startErr325REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr323ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_VIOLATION, ULTIMATE.startErr287REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr258ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr216ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr231ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr267ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr214REQUIRES_VIOLATION, ULTIMATE.startErr279REQUIRES_VIOLATION, ULTIMATE.startErr157ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr260REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr252REQUIRES_VIOLATION, ULTIMATE.startErr317ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr326ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr309REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr290REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr308ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr316ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, ULTIMATE.startErr298ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr121ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr187ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr223ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr179REQUIRES_VIOLATION, ULTIMATE.startErr320REQUIRES_VIOLATION, ULTIMATE.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr307ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr133REQUIRES_VIOLATION, ULTIMATE.startErr293REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr209REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr176ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr274REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr255REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr158ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr190REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr247REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr112ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr144REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr174REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr226ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr220REQUIRES_VIOLATION, ULTIMATE.startErr304REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr203ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr285REQUIRES_VIOLATION, ULTIMATE.startErr142ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr221ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr128REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr155REQUIRES_VIOLATION, ULTIMATE.startErr239REQUIRES_VIOLATION, ULTIMATE.startErr151ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr185REQUIRES_VIOLATION, ULTIMATE.startErr250REQUIRES_VIOLATION, ULTIMATE.startErr271ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr315REQUIRES_VIOLATION, ULTIMATE.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr296ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr288REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr312ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr302ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131REQUIRES_VIOLATION, ULTIMATE.startErr163ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr150REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr237ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr234REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr311ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr299REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr322ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr310REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr291REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr192ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr207REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr138ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr147ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr172REQUIRES_VIOLATION, ULTIMATE.startErr264REQUIRES_VIOLATION, ULTIMATE.startErr318ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr180REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr282ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr134REQUIRES_VIOLATION, ULTIMATE.startErr199REQUIRES_VIOLATION, ULTIMATE.startErr273ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr164REQUIRES_VIOLATION, ULTIMATE.startErr229REQUIRES_VIOLATION, ULTIMATE.startErr257ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr294REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr210REQUIRES_VIOLATION, ULTIMATE.startErr275REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr241ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr181ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr156ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr145REQUIRES_VIOLATION, ULTIMATE.startErr232ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr248REQUIRES_VIOLATION, ULTIMATE.startErr266ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr175REQUIRES_VIOLATION, ULTIMATE.startErr305REQUIRES_VIOLATION, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr240REQUIRES_VIOLATION, ULTIMATE.startErr177ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr194REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr286REQUIRES_VIOLATION, ULTIMATE.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_VIOLATION, ULTIMATE.startErr324REQUIRES_VIOLATION, ULTIMATE.startErr113ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr251REQUIRES_VIOLATION, ULTIMATE.startErr197ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr243ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr141ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr140REQUIRES_VIOLATION, ULTIMATE.startErr222ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr297ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr224REQUIRES_VIOLATION, ULTIMATE.startErr289REQUIRES_VIOLATION, ULTIMATE.startErr306ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr167REQUIRES_VIOLATION, ULTIMATE.startErr205REQUIRES_VIOLATION, ULTIMATE.startErr188ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr268ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr270REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr132REQUIRES_VIOLATION, ULTIMATE.startErr263ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr272ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr277ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr170REQUIRES_VIOLATION, ULTIMATE.startErr161ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr143ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr159REQUIRES_VIOLATION, ULTIMATE.startErr202ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr235REQUIRES_VIOLATION, ULTIMATE.startErr300REQUIRES_VIOLATION, ULTIMATE.startErr313ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr193ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr208REQUIRES_VIOLATION, ULTIMATE.startErr227ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr118ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr236ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr319REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr254REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr186ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr246REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr189REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr152ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr124REQUIRES_VIOLATION, ULTIMATE.startErr292REQUIRES_VIOLATION]=== [2021-01-07 05:14:39,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:14:39,212 INFO L82 PathProgramCache]: Analyzing trace with hash -144007725, now seen corresponding path program 1 times [2021-01-07 05:14:39,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:14:39,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295801937] [2021-01-07 05:14:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:14:39,227 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:14:39,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1566710502] [2021-01-07 05:14:39,228 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 05:14:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:14:39,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 36 conjunts are in the unsatisfiable core [2021-01-07 05:14:39,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:14:39,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:14:39,482 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:14:39,551 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 14 treesize of output 13 [2021-01-07 05:14:39,552 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:39,949 WARN L197 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2021-01-07 05:14:39,950 INFO L625 ElimStorePlain]: treesize reduction 11, result has 92.4 percent of original size [2021-01-07 05:14:39,971 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 05:14:39,972 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:39,987 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 05:14:39,987 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:46,179 WARN L197 SmtUtils]: Spent 6.19 s on a formula simplification that was a NOOP. DAG size: 51 [2021-01-07 05:14:46,180 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:48,216 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 14 treesize of output 13 [2021-01-07 05:14:48,217 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:48,348 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-01-07 05:14:48,349 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:48,387 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2021-01-07 05:14:48,387 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:145, output treesize:130 [2021-01-07 05:14:48,784 WARN L197 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-07 05:14:52,493 WARN L197 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 59 [2021-01-07 05:14:52,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:53,103 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-01-07 05:14:53,389 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-01-07 05:14:53,849 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-01-07 05:14:53,869 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:53,914 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:53,964 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:14:54,047 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:54,047 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 05:14:54,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:54,051 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:54,071 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:54,071 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 05:14:54,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:54,075 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:54,214 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-07 05:14:54,215 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:54,241 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 22 treesize of output 24 [2021-01-07 05:14:54,244 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:54,267 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 22 treesize of output 24 [2021-01-07 05:14:54,269 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:54,400 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-07 05:14:54,400 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:54,429 INFO L547 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-1 vars, End of recursive call: 12 dim-0 vars, and 2 xjuncts. [2021-01-07 05:14:54,429 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 11 variables, input treesize:151, output treesize:137 [2021-01-07 05:14:59,936 WARN L197 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2021-01-07 05:15:00,511 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 05:15:00,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295801937] [2021-01-07 05:15:00,511 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:15:00,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566710502] [2021-01-07 05:15:00,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:15:00,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-07 05:15:00,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571769526] [2021-01-07 05:15:00,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 05:15:00,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:15:00,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 05:15:00,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-01-07 05:15:00,516 INFO L87 Difference]: Start difference. First operand 845 states and 960 transitions. Second operand 9 states. [2021-01-07 05:15:35,794 WARN L197 SmtUtils]: Spent 22.47 s on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-01-07 05:16:27,558 WARN L197 SmtUtils]: Spent 51.55 s on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-01-07 05:18:20,792 WARN L197 SmtUtils]: Spent 1.84 m on a formula simplification. DAG size of input: 98 DAG size of output: 98