/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-0235-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 05:13:31,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 05:13:31,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 05:13:31,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 05:13:31,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 05:13:31,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 05:13:31,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 05:13:31,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 05:13:31,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 05:13:31,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 05:13:31,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 05:13:31,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 05:13:31,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 05:13:31,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 05:13:31,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 05:13:31,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 05:13:31,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 05:13:31,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 05:13:31,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 05:13:31,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 05:13:31,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 05:13:31,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 05:13:31,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 05:13:31,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 05:13:31,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 05:13:31,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 05:13:31,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 05:13:31,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 05:13:31,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 05:13:31,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 05:13:31,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 05:13:31,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 05:13:31,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 05:13:31,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 05:13:31,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 05:13:31,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 05:13:31,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 05:13:31,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 05:13:31,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 05:13:31,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 05:13:31,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 05:13:31,525 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 05:13:31,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 05:13:31,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 05:13:31,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 05:13:31,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 05:13:31,585 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 05:13:31,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 05:13:31,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-01-07 05:13:31,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 05:13:31,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 05:13:31,587 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-01-07 05:13:31,587 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-01-07 05:13:31,587 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-01-07 05:13:31,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 05:13:31,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-01-07 05:13:31,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 05:13:31,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 05:13:31,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 05:13:31,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 05:13:31,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 05:13:31,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 05:13:31,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 05:13:31,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 05:13:31,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 05:13:31,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 05:13:31,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 05:13:31,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 05:13:32,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 05:13:32,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 05:13:32,010 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 05:13:32,011 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 05:13:32,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0235-2.i [2021-01-07 05:13:32,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80fb6d6f3/cc489834c8e5464bababfd6488ed0418/FLAG40bfc3a06 [2021-01-07 05:13:32,881 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 05:13:32,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/memsafety/test-0235-2.i [2021-01-07 05:13:32,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80fb6d6f3/cc489834c8e5464bababfd6488ed0418/FLAG40bfc3a06 [2021-01-07 05:13:33,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80fb6d6f3/cc489834c8e5464bababfd6488ed0418 [2021-01-07 05:13:33,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 05:13:33,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 05:13:33,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 05:13:33,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 05:13:33,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 05:13:33,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:33,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e23b2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33, skipping insertion in model container [2021-01-07 05:13:33,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:33,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 05:13:33,230 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 05:13:33,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:13:33,688 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 05:13:33,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:13:33,931 INFO L208 MainTranslator]: Completed translation [2021-01-07 05:13:33,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33 WrapperNode [2021-01-07 05:13:33,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 05:13:33,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 05:13:33,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 05:13:33,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 05:13:33,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:33,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:34,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 05:13:34,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 05:13:34,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 05:13:34,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 05:13:34,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:34,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:34,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:34,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:34,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:34,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:34,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (1/1) ... [2021-01-07 05:13:34,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 05:13:34,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 05:13:34,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 05:13:34,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 05:13:34,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (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 05:13:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 05:13:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 05:13:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 05:13:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 05:13:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 05:13:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-01-07 05:13:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 05:13:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 05:13:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 05:13:36,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 05:13:36,896 INFO L299 CfgBuilder]: Removed 145 assume(true) statements. [2021-01-07 05:13:36,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:13:36 BoogieIcfgContainer [2021-01-07 05:13:36,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 05:13:36,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 05:13:36,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 05:13:36,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 05:13:36,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 05:13:33" (1/3) ... [2021-01-07 05:13:36,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be4bd3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:13:36, skipping insertion in model container [2021-01-07 05:13:36,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:13:33" (2/3) ... [2021-01-07 05:13:36,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be4bd3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:13:36, skipping insertion in model container [2021-01-07 05:13:36,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:13:36" (3/3) ... [2021-01-07 05:13:36,910 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0235-2.i [2021-01-07 05:13:36,917 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 05:13:36,924 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 287 error locations. [2021-01-07 05:13:36,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 287 error locations. [2021-01-07 05:13:36,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 05:13:36,970 INFO L378 AbstractCegarLoop]: Hoare is false [2021-01-07 05:13:36,971 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 05:13:36,971 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 05:13:36,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 05:13:36,971 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 05:13:36,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 05:13:36,972 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 05:13:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states. [2021-01-07 05:13:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-01-07 05:13:37,025 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:13:37,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-01-07 05:13:37,027 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.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_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.startErr286ASSERT_VIOLATIONMEMORY_LEAK, 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.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_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.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, 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.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr133REQUIRES_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.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.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, 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.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, 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.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.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.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.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_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.startErr224REQUIRES_VIOLATION, 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.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.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]=== [2021-01-07 05:13:37,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:13:37,035 INFO L82 PathProgramCache]: Analyzing trace with hash 933638, now seen corresponding path program 1 times [2021-01-07 05:13:37,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:13:37,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618137389] [2021-01-07 05:13:37,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:13:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:13:37,217 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 05:13:37,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618137389] [2021-01-07 05:13:37,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:13:37,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:13:37,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957115672] [2021-01-07 05:13:37,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 05:13:37,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:13:37,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 05:13:37,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 05:13:37,248 INFO L87 Difference]: Start difference. First operand 757 states. Second operand 2 states. [2021-01-07 05:13:37,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:13:37,307 INFO L93 Difference]: Finished difference Result 757 states and 857 transitions. [2021-01-07 05:13:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 05:13:37,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2021-01-07 05:13:37,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:13:37,335 INFO L225 Difference]: With dead ends: 757 [2021-01-07 05:13:37,335 INFO L226 Difference]: Without dead ends: 755 [2021-01-07 05:13:37,337 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 05:13:37,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2021-01-07 05:13:37,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2021-01-07 05:13:37,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2021-01-07 05:13:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 855 transitions. [2021-01-07 05:13:37,432 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 855 transitions. Word has length 4 [2021-01-07 05:13:37,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:13:37,432 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 855 transitions. [2021-01-07 05:13:37,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 05:13:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 855 transitions. [2021-01-07 05:13:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-01-07 05:13:37,433 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:13:37,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-01-07 05:13:37,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 05:13:37,435 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.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_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.startErr286ASSERT_VIOLATIONMEMORY_LEAK, 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.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_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.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, 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.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr133REQUIRES_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.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.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, 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.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, 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.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.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.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.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_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.startErr224REQUIRES_VIOLATION, 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.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.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]=== [2021-01-07 05:13:37,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:13:37,436 INFO L82 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2021-01-07 05:13:37,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:13:37,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987127948] [2021-01-07 05:13:37,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:13:37,456 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:13:37,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187584600] [2021-01-07 05:13:37,456 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 05:13:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:13:37,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 05:13:37,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:13:37,706 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 05:13:37,708 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:13:37,718 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:13:37,720 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:13:37,720 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 05:13:37,742 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 05:13:37,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987127948] [2021-01-07 05:13:37,747 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:13:37,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187584600] [2021-01-07 05:13:37,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:13:37,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:13:37,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211535689] [2021-01-07 05:13:37,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:13:37,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:13:37,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:13:37,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:13:37,755 INFO L87 Difference]: Start difference. First operand 755 states and 855 transitions. Second operand 3 states. [2021-01-07 05:13:39,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:13:39,057 INFO L93 Difference]: Finished difference Result 1376 states and 1565 transitions. [2021-01-07 05:13:39,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:13:39,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2021-01-07 05:13:39,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:13:39,065 INFO L225 Difference]: With dead ends: 1376 [2021-01-07 05:13:39,066 INFO L226 Difference]: Without dead ends: 1376 [2021-01-07 05:13:39,067 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 05:13:39,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2021-01-07 05:13:39,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 749. [2021-01-07 05:13:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2021-01-07 05:13:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 849 transitions. [2021-01-07 05:13:39,104 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 849 transitions. Word has length 4 [2021-01-07 05:13:39,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:13:39,105 INFO L481 AbstractCegarLoop]: Abstraction has 749 states and 849 transitions. [2021-01-07 05:13:39,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:13:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 849 transitions. [2021-01-07 05:13:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-01-07 05:13:39,106 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:13:39,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-01-07 05:13:39,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-01-07 05:13:39,323 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.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_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.startErr286ASSERT_VIOLATIONMEMORY_LEAK, 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.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_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.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, 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.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr133REQUIRES_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.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.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, 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.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, 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.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.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.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.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_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.startErr224REQUIRES_VIOLATION, 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.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.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]=== [2021-01-07 05:13:39,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:13:39,325 INFO L82 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2021-01-07 05:13:39,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:13:39,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814209020] [2021-01-07 05:13:39,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:13:39,346 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:13:39,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825340622] [2021-01-07 05:13:39,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 05:13:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:13:39,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2021-01-07 05:13:39,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:13:39,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:13:39,726 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:13:39,891 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 05:13:39,894 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:13:44,646 WARN L197 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2021-01-07 05:13:44,649 INFO L625 ElimStorePlain]: treesize reduction 11, result has 91.7 percent of original size [2021-01-07 05:13:46,708 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 05:13:46,710 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:13:47,198 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-01-07 05:13:47,199 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:13:47,256 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 05:13:47,258 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:134, output treesize:121 [2021-01-07 05:13:47,482 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 05:13:47,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814209020] [2021-01-07 05:13:47,482 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:13:47,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825340622] [2021-01-07 05:13:47,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:13:47,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:13:47,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536595622] [2021-01-07 05:13:47,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:13:47,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:13:47,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:13:47,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:13:47,490 INFO L87 Difference]: Start difference. First operand 749 states and 849 transitions. Second operand 3 states. [2021-01-07 05:13:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:13:52,247 INFO L93 Difference]: Finished difference Result 748 states and 848 transitions. [2021-01-07 05:13:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:13:52,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-01-07 05:13:52,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:13:52,252 INFO L225 Difference]: With dead ends: 748 [2021-01-07 05:13:52,252 INFO L226 Difference]: Without dead ends: 748 [2021-01-07 05:13:52,253 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 05:13:52,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2021-01-07 05:13:52,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2021-01-07 05:13:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2021-01-07 05:13:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 844 transitions. [2021-01-07 05:13:52,267 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 844 transitions. Word has length 5 [2021-01-07 05:13:52,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:13:52,267 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 844 transitions. [2021-01-07 05:13:52,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:13:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 844 transitions. [2021-01-07 05:13:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-07 05:13:52,269 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:13:52,269 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] [2021-01-07 05:13:52,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:13:52,484 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.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_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.startErr286ASSERT_VIOLATIONMEMORY_LEAK, 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.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_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.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, 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.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr133REQUIRES_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.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.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, 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.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, 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.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.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.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.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_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.startErr224REQUIRES_VIOLATION, 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.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.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]=== [2021-01-07 05:13:52,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:13:52,485 INFO L82 PathProgramCache]: Analyzing trace with hash 576387722, now seen corresponding path program 1 times [2021-01-07 05:13:52,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:13:52,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154182154] [2021-01-07 05:13:52,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:13:52,508 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:13:52,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287044217] [2021-01-07 05:13:52,509 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 05:13:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:13:52,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 19 conjunts are in the unsatisfiable core [2021-01-07 05:13:52,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:13:52,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:13:52,910 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:13:52,993 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 05:13:52,994 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:07,584 WARN L197 SmtUtils]: Spent 14.59 s on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-07 05:14:07,585 INFO L625 ElimStorePlain]: treesize reduction 8, result has 93.9 percent of original size [2021-01-07 05:14:09,628 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* ULTIMATE.start_calloc_model_~nmemb (div (+ (* v_prenex_6 4294967296) v_prenex_5) ULTIMATE.start_calloc_model_~nmemb)) (select |#length| |ULTIMATE.start_#Ultimate.C_memset_#ptr.base|)) [2021-01-07 05:14:09,630 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 05:14:09,631 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:21,912 WARN L197 SmtUtils]: Spent 12.28 s on a formula simplification that was a NOOP. DAG size: 47 [2021-01-07 05:14:21,913 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:21,950 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2021-01-07 05:14:21,950 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:133, output treesize:123 [2021-01-07 05:14:22,211 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 05:14:22,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154182154] [2021-01-07 05:14:22,211 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:14:22,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287044217] [2021-01-07 05:14:22,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:14:22,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:14:22,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336228015] [2021-01-07 05:14:22,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:14:22,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:14:22,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:14:22,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:14:22,215 INFO L87 Difference]: Start difference. First operand 744 states and 844 transitions. Second operand 3 states. [2021-01-07 05:14:27,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:14:27,642 INFO L93 Difference]: Finished difference Result 748 states and 848 transitions. [2021-01-07 05:14:27,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:14:27,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-07 05:14:27,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:14:27,648 INFO L225 Difference]: With dead ends: 748 [2021-01-07 05:14:27,649 INFO L226 Difference]: Without dead ends: 748 [2021-01-07 05:14:27,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 05:14:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2021-01-07 05:14:27,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 743. [2021-01-07 05:14:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2021-01-07 05:14:27,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 843 transitions. [2021-01-07 05:14:27,664 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 843 transitions. Word has length 44 [2021-01-07 05:14:27,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:14:27,664 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 843 transitions. [2021-01-07 05:14:27,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:14:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 843 transitions. [2021-01-07 05:14:27,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-07 05:14:27,666 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:14:27,667 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 05:14:27,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:14:27,870 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.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_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.startErr286ASSERT_VIOLATIONMEMORY_LEAK, 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.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_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.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, 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.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr133REQUIRES_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.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.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, 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.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, 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.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.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.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.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_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.startErr224REQUIRES_VIOLATION, 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.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.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]=== [2021-01-07 05:14:27,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:14:27,871 INFO L82 PathProgramCache]: Analyzing trace with hash -144007726, now seen corresponding path program 1 times [2021-01-07 05:14:27,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:14:27,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319164890] [2021-01-07 05:14:27,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:14:27,895 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:14:27,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38725305] [2021-01-07 05:14:27,895 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 05:14:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:14:28,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-07 05:14:28,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:14:28,267 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 05:14:28,269 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:28,277 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:28,278 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-07 05:14:28,279 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-01-07 05:14:28,361 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:28,362 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 05:14:28,365 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:28,390 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2021-01-07 05:14:28,391 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 05:14:28,392 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2021-01-07 05:14:28,430 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 05:14:28,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319164890] [2021-01-07 05:14:28,431 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:14:28,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38725305] [2021-01-07 05:14:28,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:14:28,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-07 05:14:28,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594301896] [2021-01-07 05:14:28,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 05:14:28,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:14:28,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 05:14:28,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-07 05:14:28,441 INFO L87 Difference]: Start difference. First operand 743 states and 843 transitions. Second operand 7 states. [2021-01-07 05:14:31,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:14:31,160 INFO L93 Difference]: Finished difference Result 1400 states and 1593 transitions. [2021-01-07 05:14:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-07 05:14:31,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2021-01-07 05:14:31,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:14:31,169 INFO L225 Difference]: With dead ends: 1400 [2021-01-07 05:14:31,169 INFO L226 Difference]: Without dead ends: 1400 [2021-01-07 05:14:31,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-01-07 05:14:31,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2021-01-07 05:14:31,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 741. [2021-01-07 05:14:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2021-01-07 05:14:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2021-01-07 05:14:31,189 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 50 [2021-01-07 05:14:31,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:14:31,190 INFO L481 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2021-01-07 05:14:31,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 05:14:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2021-01-07 05:14:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-07 05:14:31,191 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:14:31,192 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 05:14:31,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 05:14:31,407 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.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr182ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr153ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr191ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_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.startErr286ASSERT_VIOLATIONMEMORY_LEAK, 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.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr281ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_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.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr283ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr148ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr242ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr196ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr244REQUIRES_VIOLATION, 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.startErr233ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr133REQUIRES_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.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.startErr262ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr178ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr278ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr228ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47REQUIRES_VIOLATION, 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.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr136ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr183ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr116ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr201ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr217ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, 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.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.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.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.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr261ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_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.startErr224REQUIRES_VIOLATION, 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.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.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]=== [2021-01-07 05:14:31,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:14:31,409 INFO L82 PathProgramCache]: Analyzing trace with hash -144007725, now seen corresponding path program 1 times [2021-01-07 05:14:31,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:14:31,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189427259] [2021-01-07 05:14:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:14:31,423 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 05:14:31,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1364293215] [2021-01-07 05:14:31,423 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 05:14:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:14:31,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 36 conjunts are in the unsatisfiable core [2021-01-07 05:14:31,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 05:14:31,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:14:31,841 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-07 05:14:31,936 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 05:14:31,937 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:35,664 WARN L197 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2021-01-07 05:14:35,666 INFO L625 ElimStorePlain]: treesize reduction 11, result has 92.4 percent of original size [2021-01-07 05:14:35,706 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 05:14:35,708 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:35,726 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 05:14:35,728 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:36,773 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 51 [2021-01-07 05:14:36,773 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:36,794 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 05:14:36,795 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:37,079 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-01-07 05:14:37,080 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:37,118 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 05:14:37,118 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:145, output treesize:130 [2021-01-07 05:14:37,322 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-07 05:14:41,927 WARN L197 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 58 [2021-01-07 05:14:41,955 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:48,296 WARN L197 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 53 [2021-01-07 05:14:48,603 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-01-07 05:14:50,278 WARN L197 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 53 [2021-01-07 05:14:53,096 WARN L197 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 53 [2021-01-07 05:14:53,116 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:53,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:53,229 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-07 05:14:53,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:14:53,331 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 05:14:53,334 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:53,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-07 05:14:53,362 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 05:14:53,366 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:54,113 WARN L197 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-07 05:14:54,113 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:54,150 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:54,151 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 05:14:54,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:54,156 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:54,194 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:54,195 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 05:14:54,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-07 05:14:54,200 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-07 05:14:54,386 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-01-07 05:14:54,387 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 05:14:54,413 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 05:14:54,413 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 11 variables, input treesize:151, output treesize:137 [2021-01-07 05:14:58,707 WARN L197 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 69 [2021-01-07 05:14:59,245 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 05:14:59,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189427259] [2021-01-07 05:14:59,245 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 05:14:59,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364293215] [2021-01-07 05:14:59,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:14:59,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-07 05:14:59,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566988889] [2021-01-07 05:14:59,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 05:14:59,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:14:59,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 05:14:59,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=54, Unknown=3, NotChecked=0, Total=72 [2021-01-07 05:14:59,248 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 9 states. [2021-01-07 05:15:26,216 WARN L197 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2021-01-07 05:15:50,552 WARN L197 SmtUtils]: Spent 24.17 s on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2021-01-07 05:17:10,905 WARN L197 SmtUtils]: Spent 1.33 m on a formula simplification. DAG size of input: 85 DAG size of output: 80