/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-MemCleanup-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/forester-heap/dll-token-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:55:10,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:55:10,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:55:10,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 04:55:10,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 04:55:10,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 04:55:10,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 04:55:10,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 04:55:10,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 04:55:10,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 04:55:10,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 04:55:10,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 04:55:10,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:55:10,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:55:10,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:55:10,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:55:10,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:55:10,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:55:10,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:55:10,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:55:10,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:55:10,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:55:10,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:55:10,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:55:10,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 04:55:10,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 04:55:10,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 04:55:10,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 04:55:10,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 04:55:10,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 04:55:10,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 04:55:10,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 04:55:10,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 04:55:10,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 04:55:10,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 04:55:10,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 04:55:10,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 04:55:10,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 04:55:10,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:55:10,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:55:10,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:55:10,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-64bit-Automizer_Default.epf [2021-01-07 04:55:10,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:55:10,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:55:10,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:55:10,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:55:10,424 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:55:10,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:55:10,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-01-07 04:55:10,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:55:10,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:55:10,426 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-01-07 04:55:10,426 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-01-07 04:55:10,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:55:10,426 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-01-07 04:55:10,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:55:10,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:55:10,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:55:10,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:55:10,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:55:10,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:55:10,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:55:10,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:55:10,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:55:10,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:55:10,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:55:10,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:55:10,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:55:10,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:55:10,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:55:10,961 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:55:10,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-token-2.i [2021-01-07 04:55:11,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/df1a47db3/804b6e7fee9544cca101bec00cb003a1/FLAGf4b2bd318 [2021-01-07 04:55:11,848 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:55:11,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i [2021-01-07 04:55:11,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/df1a47db3/804b6e7fee9544cca101bec00cb003a1/FLAGf4b2bd318 [2021-01-07 04:55:11,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/df1a47db3/804b6e7fee9544cca101bec00cb003a1 [2021-01-07 04:55:11,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:55:11,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:55:11,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:55:11,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:55:11,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:55:11,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:55:11" (1/1) ... [2021-01-07 04:55:11,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cdfdb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:11, skipping insertion in model container [2021-01-07 04:55:11,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:55:11" (1/1) ... [2021-01-07 04:55:11,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:55:11,958 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],StructAccessExpression[IdentifierExpression[~head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],StructAccessExpression[IdentifierExpression[~x~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem6,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem6,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] [2021-01-07 04:55:12,290 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22229,22242] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],StructAccessExpression[IdentifierExpression[~x~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem9,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem9,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem10,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem10,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2021-01-07 04:55:12,298 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22398,22411] [2021-01-07 04:55:12,299 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22489,22502] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2021-01-07 04:55:12,301 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22571,22584] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2021-01-07 04:55:12,303 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22649,22662] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2021-01-07 04:55:12,306 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22795,22808] [2021-01-07 04:55:12,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:55:12,321 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],StructAccessExpression[IdentifierExpression[~head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],StructAccessExpression[IdentifierExpression[~x~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem6,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem6,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] [2021-01-07 04:55:12,369 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22229,22242] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~x~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x~0,],base],StructAccessExpression[IdentifierExpression[~x~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem9,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem9,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem10,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem10,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2021-01-07 04:55:12,373 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22398,22411] [2021-01-07 04:55:12,380 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22489,22502] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2021-01-07 04:55:12,382 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22571,22584] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2021-01-07 04:55:12,383 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22649,22662] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2021-01-07 04:55:12,386 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22795,22808] [2021-01-07 04:55:12,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:55:12,449 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:55:12,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12 WrapperNode [2021-01-07 04:55:12,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:55:12,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:55:12,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:55:12,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:55:12,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:55:12,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:55:12,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:55:12,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:55:12,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (1/1) ... [2021-01-07 04:55:12,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:55:12,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:55:12,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:55:12,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:55:12,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (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 04:55:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:55:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:55:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:55:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:55:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:55:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:55:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:55:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:55:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:55:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:55:13,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:55:13,776 INFO L299 CfgBuilder]: Removed 19 assume(true) statements. [2021-01-07 04:55:13,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:55:13 BoogieIcfgContainer [2021-01-07 04:55:13,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:55:13,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:55:13,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:55:13,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:55:13,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:55:11" (1/3) ... [2021-01-07 04:55:13,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e411e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:55:13, skipping insertion in model container [2021-01-07 04:55:13,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:55:12" (2/3) ... [2021-01-07 04:55:13,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e411e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:55:13, skipping insertion in model container [2021-01-07 04:55:13,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:55:13" (3/3) ... [2021-01-07 04:55:13,810 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-token-2.i [2021-01-07 04:55:13,817 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:55:13,823 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 64 error locations. [2021-01-07 04:55:13,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2021-01-07 04:55:13,863 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:55:13,864 INFO L378 AbstractCegarLoop]: Hoare is false [2021-01-07 04:55:13,864 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:55:13,864 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:55:13,864 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:55:13,864 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:55:13,864 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:55:13,864 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:55:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2021-01-07 04:55:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-01-07 04:55:13,897 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:13,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-01-07 04:55:13,901 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:13,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:13,910 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-01-07 04:55:13,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:13,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117310598] [2021-01-07 04:55:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:14,110 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 04:55:14,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117310598] [2021-01-07 04:55:14,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:14,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:55:14,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647880859] [2021-01-07 04:55:14,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:55:14,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:14,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:55:14,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:55:14,139 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 3 states. [2021-01-07 04:55:14,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:14,323 INFO L93 Difference]: Finished difference Result 151 states and 154 transitions. [2021-01-07 04:55:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:55:14,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-01-07 04:55:14,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:14,338 INFO L225 Difference]: With dead ends: 151 [2021-01-07 04:55:14,338 INFO L226 Difference]: Without dead ends: 149 [2021-01-07 04:55:14,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:55:14,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-01-07 04:55:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 129. [2021-01-07 04:55:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2021-01-07 04:55:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2021-01-07 04:55:14,390 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 3 [2021-01-07 04:55:14,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:14,391 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2021-01-07 04:55:14,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:55:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2021-01-07 04:55:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-01-07 04:55:14,392 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:14,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-01-07 04:55:14,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:55:14,393 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:14,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:14,394 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-01-07 04:55:14,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:14,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23768517] [2021-01-07 04:55:14,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:55:14,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23768517] [2021-01-07 04:55:14,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:14,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:55:14,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299839189] [2021-01-07 04:55:14,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:55:14,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:14,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:55:14,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:55:14,488 INFO L87 Difference]: Start difference. First operand 129 states and 131 transitions. Second operand 3 states. [2021-01-07 04:55:14,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:14,672 INFO L93 Difference]: Finished difference Result 154 states and 156 transitions. [2021-01-07 04:55:14,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:55:14,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-01-07 04:55:14,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:14,682 INFO L225 Difference]: With dead ends: 154 [2021-01-07 04:55:14,682 INFO L226 Difference]: Without dead ends: 154 [2021-01-07 04:55:14,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:55:14,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-01-07 04:55:14,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 126. [2021-01-07 04:55:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2021-01-07 04:55:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2021-01-07 04:55:14,714 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 3 [2021-01-07 04:55:14,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:14,714 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2021-01-07 04:55:14,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:55:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2021-01-07 04:55:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-07 04:55:14,715 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:14,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:14,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 04:55:14,721 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:14,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:14,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1837112018, now seen corresponding path program 1 times [2021-01-07 04:55:14,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:14,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992808953] [2021-01-07 04:55:14,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:14,782 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 04:55:14,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992808953] [2021-01-07 04:55:14,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:14,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:55:14,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737189491] [2021-01-07 04:55:14,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:55:14,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:14,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:55:14,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:55:14,786 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand 4 states. [2021-01-07 04:55:14,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:14,996 INFO L93 Difference]: Finished difference Result 130 states and 133 transitions. [2021-01-07 04:55:14,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:55:14,996 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2021-01-07 04:55:14,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:14,998 INFO L225 Difference]: With dead ends: 130 [2021-01-07 04:55:14,998 INFO L226 Difference]: Without dead ends: 130 [2021-01-07 04:55:14,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:15,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-01-07 04:55:15,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 113. [2021-01-07 04:55:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-01-07 04:55:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2021-01-07 04:55:15,009 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 9 [2021-01-07 04:55:15,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:15,009 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2021-01-07 04:55:15,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:55:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2021-01-07 04:55:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-07 04:55:15,010 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:15,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:15,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-07 04:55:15,011 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:15,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:15,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1837112019, now seen corresponding path program 1 times [2021-01-07 04:55:15,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:15,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961911064] [2021-01-07 04:55:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:15,102 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 04:55:15,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961911064] [2021-01-07 04:55:15,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:15,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:55:15,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677836960] [2021-01-07 04:55:15,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:55:15,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:15,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:55:15,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:55:15,107 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand 4 states. [2021-01-07 04:55:15,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:15,377 INFO L93 Difference]: Finished difference Result 203 states and 207 transitions. [2021-01-07 04:55:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:55:15,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2021-01-07 04:55:15,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:15,379 INFO L225 Difference]: With dead ends: 203 [2021-01-07 04:55:15,380 INFO L226 Difference]: Without dead ends: 203 [2021-01-07 04:55:15,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:15,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-01-07 04:55:15,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 148. [2021-01-07 04:55:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-01-07 04:55:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 163 transitions. [2021-01-07 04:55:15,393 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 163 transitions. Word has length 9 [2021-01-07 04:55:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:15,393 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 163 transitions. [2021-01-07 04:55:15,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:55:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 163 transitions. [2021-01-07 04:55:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-01-07 04:55:15,394 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:15,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:15,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-07 04:55:15,395 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:15,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:15,396 INFO L82 PathProgramCache]: Analyzing trace with hash 233113581, now seen corresponding path program 1 times [2021-01-07 04:55:15,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:15,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629268499] [2021-01-07 04:55:15,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:15,481 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 04:55:15,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629268499] [2021-01-07 04:55:15,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:15,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:55:15,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069833449] [2021-01-07 04:55:15,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:55:15,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:15,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:55:15,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:15,484 INFO L87 Difference]: Start difference. First operand 148 states and 163 transitions. Second operand 5 states. [2021-01-07 04:55:15,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:15,735 INFO L93 Difference]: Finished difference Result 217 states and 234 transitions. [2021-01-07 04:55:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:55:15,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-01-07 04:55:15,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:15,737 INFO L225 Difference]: With dead ends: 217 [2021-01-07 04:55:15,738 INFO L226 Difference]: Without dead ends: 217 [2021-01-07 04:55:15,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:55:15,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-01-07 04:55:15,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 147. [2021-01-07 04:55:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2021-01-07 04:55:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 161 transitions. [2021-01-07 04:55:15,746 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 161 transitions. Word has length 11 [2021-01-07 04:55:15,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:15,746 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 161 transitions. [2021-01-07 04:55:15,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:55:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2021-01-07 04:55:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-01-07 04:55:15,747 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:15,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:15,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-07 04:55:15,748 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:15,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:15,748 INFO L82 PathProgramCache]: Analyzing trace with hash 233113582, now seen corresponding path program 1 times [2021-01-07 04:55:15,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:15,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569431925] [2021-01-07 04:55:15,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:15,819 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 04:55:15,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569431925] [2021-01-07 04:55:15,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:15,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:55:15,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050330677] [2021-01-07 04:55:15,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:55:15,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:15,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:55:15,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:15,822 INFO L87 Difference]: Start difference. First operand 147 states and 161 transitions. Second operand 5 states. [2021-01-07 04:55:16,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:16,147 INFO L93 Difference]: Finished difference Result 243 states and 263 transitions. [2021-01-07 04:55:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:55:16,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-01-07 04:55:16,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:16,150 INFO L225 Difference]: With dead ends: 243 [2021-01-07 04:55:16,150 INFO L226 Difference]: Without dead ends: 243 [2021-01-07 04:55:16,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:55:16,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-01-07 04:55:16,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 146. [2021-01-07 04:55:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2021-01-07 04:55:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 159 transitions. [2021-01-07 04:55:16,170 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 159 transitions. Word has length 11 [2021-01-07 04:55:16,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:16,175 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 159 transitions. [2021-01-07 04:55:16,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:55:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2021-01-07 04:55:16,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-07 04:55:16,176 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:16,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:16,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-07 04:55:16,179 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:16,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:16,180 INFO L82 PathProgramCache]: Analyzing trace with hash 662855318, now seen corresponding path program 1 times [2021-01-07 04:55:16,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:16,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602062092] [2021-01-07 04:55:16,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:16,270 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 04:55:16,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602062092] [2021-01-07 04:55:16,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:16,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:55:16,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191215072] [2021-01-07 04:55:16,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:55:16,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:16,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:55:16,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:16,273 INFO L87 Difference]: Start difference. First operand 146 states and 159 transitions. Second operand 5 states. [2021-01-07 04:55:16,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:16,476 INFO L93 Difference]: Finished difference Result 153 states and 161 transitions. [2021-01-07 04:55:16,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:55:16,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-07 04:55:16,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:16,478 INFO L225 Difference]: With dead ends: 153 [2021-01-07 04:55:16,479 INFO L226 Difference]: Without dead ends: 153 [2021-01-07 04:55:16,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:55:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-01-07 04:55:16,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 145. [2021-01-07 04:55:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2021-01-07 04:55:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 157 transitions. [2021-01-07 04:55:16,484 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 157 transitions. Word has length 13 [2021-01-07 04:55:16,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:16,485 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 157 transitions. [2021-01-07 04:55:16,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:55:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 157 transitions. [2021-01-07 04:55:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-07 04:55:16,486 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:16,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:16,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-07 04:55:16,486 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:16,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:16,487 INFO L82 PathProgramCache]: Analyzing trace with hash 662855319, now seen corresponding path program 1 times [2021-01-07 04:55:16,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:16,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073329165] [2021-01-07 04:55:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:16,566 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 04:55:16,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073329165] [2021-01-07 04:55:16,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:16,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:55:16,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035631871] [2021-01-07 04:55:16,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:55:16,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:16,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:55:16,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:16,569 INFO L87 Difference]: Start difference. First operand 145 states and 157 transitions. Second operand 5 states. [2021-01-07 04:55:16,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:16,820 INFO L93 Difference]: Finished difference Result 144 states and 155 transitions. [2021-01-07 04:55:16,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:55:16,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-07 04:55:16,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:16,821 INFO L225 Difference]: With dead ends: 144 [2021-01-07 04:55:16,821 INFO L226 Difference]: Without dead ends: 144 [2021-01-07 04:55:16,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:55:16,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-01-07 04:55:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2021-01-07 04:55:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-01-07 04:55:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 155 transitions. [2021-01-07 04:55:16,827 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 155 transitions. Word has length 13 [2021-01-07 04:55:16,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:16,827 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 155 transitions. [2021-01-07 04:55:16,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:55:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2021-01-07 04:55:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-07 04:55:16,829 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:16,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:16,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-07 04:55:16,832 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:16,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:16,832 INFO L82 PathProgramCache]: Analyzing trace with hash 51789359, now seen corresponding path program 1 times [2021-01-07 04:55:16,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:16,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524936077] [2021-01-07 04:55:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:17,027 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 04:55:17,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524936077] [2021-01-07 04:55:17,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:17,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-07 04:55:17,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44333824] [2021-01-07 04:55:17,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 04:55:17,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:17,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 04:55:17,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:55:17,030 INFO L87 Difference]: Start difference. First operand 144 states and 155 transitions. Second operand 9 states. [2021-01-07 04:55:17,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:17,471 INFO L93 Difference]: Finished difference Result 148 states and 155 transitions. [2021-01-07 04:55:17,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-07 04:55:17,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2021-01-07 04:55:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:17,476 INFO L225 Difference]: With dead ends: 148 [2021-01-07 04:55:17,476 INFO L226 Difference]: Without dead ends: 148 [2021-01-07 04:55:17,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-01-07 04:55:17,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-01-07 04:55:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 143. [2021-01-07 04:55:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2021-01-07 04:55:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 154 transitions. [2021-01-07 04:55:17,487 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 154 transitions. Word has length 15 [2021-01-07 04:55:17,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:17,487 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 154 transitions. [2021-01-07 04:55:17,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 04:55:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 154 transitions. [2021-01-07 04:55:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-07 04:55:17,489 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:17,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:17,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-07 04:55:17,489 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:17,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:17,490 INFO L82 PathProgramCache]: Analyzing trace with hash 51789360, now seen corresponding path program 1 times [2021-01-07 04:55:17,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:17,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370415376] [2021-01-07 04:55:17,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:17,684 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 04:55:17,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370415376] [2021-01-07 04:55:17,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:17,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-07 04:55:17,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116165363] [2021-01-07 04:55:17,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-07 04:55:17,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:17,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-07 04:55:17,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-01-07 04:55:17,687 INFO L87 Difference]: Start difference. First operand 143 states and 154 transitions. Second operand 10 states. [2021-01-07 04:55:18,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:18,484 INFO L93 Difference]: Finished difference Result 145 states and 152 transitions. [2021-01-07 04:55:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-07 04:55:18,484 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2021-01-07 04:55:18,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:18,486 INFO L225 Difference]: With dead ends: 145 [2021-01-07 04:55:18,486 INFO L226 Difference]: Without dead ends: 145 [2021-01-07 04:55:18,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2021-01-07 04:55:18,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-01-07 04:55:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 121. [2021-01-07 04:55:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2021-01-07 04:55:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 131 transitions. [2021-01-07 04:55:18,492 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 131 transitions. Word has length 15 [2021-01-07 04:55:18,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:18,492 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 131 transitions. [2021-01-07 04:55:18,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-07 04:55:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2021-01-07 04:55:18,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-07 04:55:18,493 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:18,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:18,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-07 04:55:18,493 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:18,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:18,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1136804742, now seen corresponding path program 1 times [2021-01-07 04:55:18,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:18,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037331441] [2021-01-07 04:55:18,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:18,676 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 04:55:18,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037331441] [2021-01-07 04:55:18,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:18,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-07 04:55:18,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637085396] [2021-01-07 04:55:18,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 04:55:18,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:18,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 04:55:18,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:55:18,681 INFO L87 Difference]: Start difference. First operand 121 states and 131 transitions. Second operand 8 states. [2021-01-07 04:55:19,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:19,148 INFO L93 Difference]: Finished difference Result 124 states and 135 transitions. [2021-01-07 04:55:19,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:55:19,149 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2021-01-07 04:55:19,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:19,150 INFO L225 Difference]: With dead ends: 124 [2021-01-07 04:55:19,150 INFO L226 Difference]: Without dead ends: 124 [2021-01-07 04:55:19,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-01-07 04:55:19,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-01-07 04:55:19,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 120. [2021-01-07 04:55:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-01-07 04:55:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 130 transitions. [2021-01-07 04:55:19,154 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 130 transitions. Word has length 16 [2021-01-07 04:55:19,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:19,155 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 130 transitions. [2021-01-07 04:55:19,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 04:55:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 130 transitions. [2021-01-07 04:55:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-07 04:55:19,156 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:19,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:19,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-07 04:55:19,156 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:19,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:19,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1136804743, now seen corresponding path program 1 times [2021-01-07 04:55:19,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:19,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634185509] [2021-01-07 04:55:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:19,259 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 04:55:19,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634185509] [2021-01-07 04:55:19,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:19,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-07 04:55:19,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19031706] [2021-01-07 04:55:19,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 04:55:19,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:19,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 04:55:19,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:55:19,262 INFO L87 Difference]: Start difference. First operand 120 states and 130 transitions. Second operand 8 states. [2021-01-07 04:55:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:19,708 INFO L93 Difference]: Finished difference Result 123 states and 134 transitions. [2021-01-07 04:55:19,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:55:19,708 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2021-01-07 04:55:19,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:19,709 INFO L225 Difference]: With dead ends: 123 [2021-01-07 04:55:19,709 INFO L226 Difference]: Without dead ends: 123 [2021-01-07 04:55:19,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-01-07 04:55:19,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-01-07 04:55:19,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 119. [2021-01-07 04:55:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-01-07 04:55:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 129 transitions. [2021-01-07 04:55:19,732 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 129 transitions. Word has length 16 [2021-01-07 04:55:19,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:19,734 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 129 transitions. [2021-01-07 04:55:19,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 04:55:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 129 transitions. [2021-01-07 04:55:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-07 04:55:19,737 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:19,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:19,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-07 04:55:19,738 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:19,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1770033073, now seen corresponding path program 1 times [2021-01-07 04:55:19,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:19,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870118593] [2021-01-07 04:55:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:19,886 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 04:55:19,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870118593] [2021-01-07 04:55:19,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:19,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-07 04:55:19,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874697032] [2021-01-07 04:55:19,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-07 04:55:19,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:19,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-07 04:55:19,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-01-07 04:55:19,889 INFO L87 Difference]: Start difference. First operand 119 states and 129 transitions. Second operand 10 states. [2021-01-07 04:55:20,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:20,470 INFO L93 Difference]: Finished difference Result 139 states and 146 transitions. [2021-01-07 04:55:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-07 04:55:20,471 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2021-01-07 04:55:20,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:20,472 INFO L225 Difference]: With dead ends: 139 [2021-01-07 04:55:20,472 INFO L226 Difference]: Without dead ends: 139 [2021-01-07 04:55:20,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2021-01-07 04:55:20,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-01-07 04:55:20,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 117. [2021-01-07 04:55:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2021-01-07 04:55:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2021-01-07 04:55:20,476 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 17 [2021-01-07 04:55:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:20,477 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2021-01-07 04:55:20,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-07 04:55:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2021-01-07 04:55:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-07 04:55:20,477 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:20,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:55:20,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-07 04:55:20,478 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:20,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:20,479 INFO L82 PathProgramCache]: Analyzing trace with hash -732918918, now seen corresponding path program 1 times [2021-01-07 04:55:20,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:20,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483739970] [2021-01-07 04:55:20,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:20,516 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 04:55:20,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483739970] [2021-01-07 04:55:20,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:20,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:55:20,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055913487] [2021-01-07 04:55:20,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:55:20,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:20,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:55:20,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:55:20,519 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand 4 states. [2021-01-07 04:55:20,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:20,674 INFO L93 Difference]: Finished difference Result 177 states and 182 transitions. [2021-01-07 04:55:20,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:55:20,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2021-01-07 04:55:20,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:20,676 INFO L225 Difference]: With dead ends: 177 [2021-01-07 04:55:20,676 INFO L226 Difference]: Without dead ends: 177 [2021-01-07 04:55:20,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:20,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-01-07 04:55:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 115. [2021-01-07 04:55:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-01-07 04:55:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2021-01-07 04:55:20,681 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 19 [2021-01-07 04:55:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:20,681 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2021-01-07 04:55:20,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:55:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2021-01-07 04:55:20,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-07 04:55:20,682 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:20,682 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] [2021-01-07 04:55:20,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-07 04:55:20,683 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:20,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:20,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1155996332, now seen corresponding path program 1 times [2021-01-07 04:55:20,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:20,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104666296] [2021-01-07 04:55:20,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:20,751 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 04:55:20,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104666296] [2021-01-07 04:55:20,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:20,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 04:55:20,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816372076] [2021-01-07 04:55:20,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:55:20,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:20,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:55:20,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:55:20,755 INFO L87 Difference]: Start difference. First operand 115 states and 125 transitions. Second operand 5 states. [2021-01-07 04:55:20,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:20,910 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2021-01-07 04:55:20,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:55:20,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-01-07 04:55:20,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:20,911 INFO L225 Difference]: With dead ends: 113 [2021-01-07 04:55:20,911 INFO L226 Difference]: Without dead ends: 113 [2021-01-07 04:55:20,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:55:20,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-01-07 04:55:20,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-01-07 04:55:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-01-07 04:55:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2021-01-07 04:55:20,924 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 24 [2021-01-07 04:55:20,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:20,924 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2021-01-07 04:55:20,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:55:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2021-01-07 04:55:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-07 04:55:20,925 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:20,925 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] [2021-01-07 04:55:20,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-07 04:55:20,927 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:20,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:20,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1156029103, now seen corresponding path program 1 times [2021-01-07 04:55:20,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:20,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891545858] [2021-01-07 04:55:20,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:21,199 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 04:55:21,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891545858] [2021-01-07 04:55:21,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:21,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-07 04:55:21,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743275863] [2021-01-07 04:55:21,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-07 04:55:21,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:21,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-07 04:55:21,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-01-07 04:55:21,202 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand 12 states. [2021-01-07 04:55:21,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:21,867 INFO L93 Difference]: Finished difference Result 215 states and 219 transitions. [2021-01-07 04:55:21,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-07 04:55:21,867 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2021-01-07 04:55:21,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:21,869 INFO L225 Difference]: With dead ends: 215 [2021-01-07 04:55:21,869 INFO L226 Difference]: Without dead ends: 215 [2021-01-07 04:55:21,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2021-01-07 04:55:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-01-07 04:55:21,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 128. [2021-01-07 04:55:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-01-07 04:55:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 138 transitions. [2021-01-07 04:55:21,874 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 138 transitions. Word has length 24 [2021-01-07 04:55:21,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:21,875 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 138 transitions. [2021-01-07 04:55:21,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-07 04:55:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2021-01-07 04:55:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-07 04:55:21,876 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:21,876 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] [2021-01-07 04:55:21,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-07 04:55:21,876 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:21,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:21,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1243007893, now seen corresponding path program 1 times [2021-01-07 04:55:21,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:21,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359326643] [2021-01-07 04:55:21,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:22,034 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 04:55:22,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359326643] [2021-01-07 04:55:22,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:22,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-07 04:55:22,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228869860] [2021-01-07 04:55:22,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-07 04:55:22,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:22,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-07 04:55:22,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-01-07 04:55:22,036 INFO L87 Difference]: Start difference. First operand 128 states and 138 transitions. Second operand 12 states. [2021-01-07 04:55:22,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:22,685 INFO L93 Difference]: Finished difference Result 181 states and 186 transitions. [2021-01-07 04:55:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-07 04:55:22,685 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2021-01-07 04:55:22,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:22,687 INFO L225 Difference]: With dead ends: 181 [2021-01-07 04:55:22,687 INFO L226 Difference]: Without dead ends: 181 [2021-01-07 04:55:22,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2021-01-07 04:55:22,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-01-07 04:55:22,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 134. [2021-01-07 04:55:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-01-07 04:55:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2021-01-07 04:55:22,692 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 27 [2021-01-07 04:55:22,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:22,692 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2021-01-07 04:55:22,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-07 04:55:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2021-01-07 04:55:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-07 04:55:22,693 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:22,693 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] [2021-01-07 04:55:22,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-07 04:55:22,693 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:22,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:22,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1243007894, now seen corresponding path program 1 times [2021-01-07 04:55:22,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:22,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972360171] [2021-01-07 04:55:22,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:55:22,926 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 04:55:22,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972360171] [2021-01-07 04:55:22,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:55:22,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-07 04:55:22,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985742453] [2021-01-07 04:55:22,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-07 04:55:22,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:55:22,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-07 04:55:22,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-01-07 04:55:22,934 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 12 states. [2021-01-07 04:55:23,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:55:23,735 INFO L93 Difference]: Finished difference Result 213 states and 217 transitions. [2021-01-07 04:55:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-07 04:55:23,736 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2021-01-07 04:55:23,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:55:23,737 INFO L225 Difference]: With dead ends: 213 [2021-01-07 04:55:23,738 INFO L226 Difference]: Without dead ends: 213 [2021-01-07 04:55:23,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2021-01-07 04:55:23,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-01-07 04:55:23,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 134. [2021-01-07 04:55:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-01-07 04:55:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 144 transitions. [2021-01-07 04:55:23,743 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 144 transitions. Word has length 27 [2021-01-07 04:55:23,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:55:23,743 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 144 transitions. [2021-01-07 04:55:23,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-07 04:55:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2021-01-07 04:55:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-01-07 04:55:23,744 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:55:23,745 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] [2021-01-07 04:55:23,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-07 04:55:23,745 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2021-01-07 04:55:23,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:55:23,746 INFO L82 PathProgramCache]: Analyzing trace with hash 529681397, now seen corresponding path program 1 times [2021-01-07 04:55:23,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:55:23,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206035701] [2021-01-07 04:55:23,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:55:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-07 04:55:23,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-07 04:55:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-07 04:55:23,789 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-07 04:55:23,819 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-07 04:55:23,819 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-07 04:55:23,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-07 04:55:23,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.01 04:55:23 BoogieIcfgContainer [2021-01-07 04:55:23,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-07 04:55:23,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-07 04:55:23,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-07 04:55:23,859 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-07 04:55:23,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:55:13" (3/4) ... [2021-01-07 04:55:23,865 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-07 04:55:23,926 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/forester-heap/dll-token-2.i-witness.graphml [2021-01-07 04:55:23,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-07 04:55:23,928 INFO L168 Benchmark]: Toolchain (without parser) took 12036.29 ms. Allocated memory was 160.4 MB in the beginning and 278.9 MB in the end (delta: 118.5 MB). Free memory was 133.9 MB in the beginning and 127.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 125.7 MB. Max. memory is 8.0 GB. [2021-01-07 04:55:23,928 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 160.4 MB. Free memory is still 135.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-07 04:55:23,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.71 ms. Allocated memory is still 160.4 MB. Free memory was 133.7 MB in the beginning and 110.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-01-07 04:55:23,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.14 ms. Allocated memory is still 160.4 MB. Free memory was 110.5 MB in the beginning and 108.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-07 04:55:23,930 INFO L168 Benchmark]: Boogie Preprocessor took 60.31 ms. Allocated memory is still 160.4 MB. Free memory was 108.5 MB in the beginning and 106.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-07 04:55:23,930 INFO L168 Benchmark]: RCFGBuilder took 1211.57 ms. Allocated memory is still 160.4 MB. Free memory was 106.8 MB in the beginning and 141.6 MB in the end (delta: -34.7 MB). Peak memory consumption was 43.3 MB. Max. memory is 8.0 GB. [2021-01-07 04:55:23,931 INFO L168 Benchmark]: TraceAbstraction took 10060.45 ms. Allocated memory was 160.4 MB in the beginning and 278.9 MB in the end (delta: 118.5 MB). Free memory was 141.0 MB in the beginning and 129.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 130.6 MB. Max. memory is 8.0 GB. [2021-01-07 04:55:23,931 INFO L168 Benchmark]: Witness Printer took 67.00 ms. Allocated memory is still 278.9 MB. Free memory was 129.9 MB in the beginning and 127.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-07 04:55:23,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 160.4 MB. Free memory is still 135.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 551.71 ms. Allocated memory is still 160.4 MB. Free memory was 133.7 MB in the beginning and 110.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.14 ms. Allocated memory is still 160.4 MB. Free memory was 110.5 MB in the beginning and 108.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.31 ms. Allocated memory is still 160.4 MB. Free memory was 108.5 MB in the beginning and 106.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1211.57 ms. Allocated memory is still 160.4 MB. Free memory was 106.8 MB in the beginning and 141.6 MB in the end (delta: -34.7 MB). Peak memory consumption was 43.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10060.45 ms. Allocated memory was 160.4 MB in the beginning and 278.9 MB in the end (delta: 118.5 MB). Free memory was 141.0 MB in the beginning and 129.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 130.6 MB. Max. memory is 8.0 GB. * Witness Printer took 67.00 ms. Allocated memory is still 278.9 MB. Free memory was 129.9 MB in the beginning and 127.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1037]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1004] SLL* head = malloc(sizeof(SLL)); [L1005] head->next = ((void*)0) [L1006] head->prev = ((void*)0) [L1007] head->data = 0 [L1009] SLL* x = head; [L1012] COND FALSE !(__VERIFIER_nondet_int()) [L1021] x->data = 1 [L1022] x->next = malloc(sizeof(SLL)) [L1023] EXPR x->next [L1023] x->next->prev = x [L1024] EXPR x->next [L1024] x->next->data = 2 [L1026] x = head [L1028] COND FALSE !(!(((void*)0) != x)) [L1030] EXPR x->data [L1030] COND FALSE !(1 != x->data) [L1035] EXPR x->data [L1035] COND FALSE !(!(1 == x->data)) [L1036] EXPR x->next [L1036] x = x->next [L1037] EXPR x->data [L1037] COND TRUE !(2 != x->data) [L1037] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 134 locations, 64 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.9s, OverallIterations: 19, TraceHistogramMax: 1, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1326 SDtfs, 2525 SDslu, 2945 SDs, 0 SdLazy, 4853 SolverSat, 321 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 629 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 37297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...