/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-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:39:02,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:39:02,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:39:02,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 04:39:02,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 04:39:02,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 04:39:02,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 04:39:02,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 04:39:02,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 04:39:02,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 04:39:02,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 04:39:02,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 04:39:02,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:39:02,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:39:02,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:39:02,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:39:02,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:39:02,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:39:02,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:39:02,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:39:02,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:39:02,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:39:02,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:39:02,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:39:02,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 04:39:02,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 04:39:02,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 04:39:02,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 04:39:02,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 04:39:02,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 04:39:02,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 04:39:02,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 04:39:02,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 04:39:02,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 04:39:02,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 04:39:02,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 04:39:02,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 04:39:02,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 04:39:02,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:39:02,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:39:02,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:39:02,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-07 04:39:02,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:39:02,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:39:02,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:39:02,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:39:02,565 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:39:02,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:39:02,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:39:02,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:39:02,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 04:39:02,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:39:02,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 04:39:02,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 04:39:02,568 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:39:02,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 04:39:02,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:39:02,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:39:02,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:39:02,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:39:02,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:39:02,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:39:02,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 04:39:02,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:39:02,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:39:02,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 04:39:02,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:39:02,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:39:02,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:39:03,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:39:03,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:39:03,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:39:03,009 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:39:03,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2021-01-07 04:39:03,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/50a684e6f/427803e9a3e545ad84ff485b219f191a/FLAG852cbaef3 [2021-01-07 04:39:03,910 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:39:03,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2021-01-07 04:39:03,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/50a684e6f/427803e9a3e545ad84ff485b219f191a/FLAG852cbaef3 [2021-01-07 04:39:04,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/50a684e6f/427803e9a3e545ad84ff485b219f191a [2021-01-07 04:39:04,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:39:04,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:39:04,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:39:04,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:39:04,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:39:04,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:39:04" (1/1) ... [2021-01-07 04:39:04,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74264bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:04, skipping insertion in model container [2021-01-07 04:39:04,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:39:04" (1/1) ... [2021-01-07 04:39:04,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:39:04,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-07 04:39:04,974 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/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem81,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem81,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem91,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem91,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem117,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem117,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem126,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem126,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem136,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem136,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] [2021-01-07 04:39:05,126 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/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem194,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem194,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem199,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem199,],offset],IdentifierExpression[#t~mem201,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem205,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem205,],offset],IdentifierExpression[#t~mem207,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem219,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem219,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem222,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem222,],offset]]]] [2021-01-07 04:39:05,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:39:05,189 INFO L203 MainTranslator]: Completed pre-run [2021-01-07 04:39:05,231 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/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem42,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem42,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem44,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem44,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem45,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem45,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem46,],base],StructAccessExpression[IdentifierExpression[#t~mem46,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem48,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem48,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem61,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem61,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem62,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem62,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem74,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem74,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem88,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem88,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem98,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem98,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem133,],base],StructAccessExpression[IdentifierExpression[#t~mem133,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem135,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem135,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem145,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem145,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] [2021-01-07 04:39:05,410 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/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem205,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem205,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem210,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem210,],offset],IdentifierExpression[#t~mem212,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem216,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem216,],offset],IdentifierExpression[#t~mem218,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem230,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem230,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem233,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem233,],offset]]]] [2021-01-07 04:39:05,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:39:05,537 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:39:05,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05 WrapperNode [2021-01-07 04:39:05,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:39:05,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:39:05,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:39:05,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:39:05,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:39:05,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:39:05,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:39:05,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:39:05,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (1/1) ... [2021-01-07 04:39:05,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:39:05,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:39:05,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:39:05,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:39:05,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (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 04:39:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:39:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-01-07 04:39:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:39:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:39:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:39:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:39:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:39:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:39:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:39:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:39:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:39:08,249 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:39:08,249 INFO L299 CfgBuilder]: Removed 85 assume(true) statements. [2021-01-07 04:39:08,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:39:08 BoogieIcfgContainer [2021-01-07 04:39:08,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:39:08,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:39:08,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:39:08,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:39:08,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:39:04" (1/3) ... [2021-01-07 04:39:08,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd225db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:39:08, skipping insertion in model container [2021-01-07 04:39:08,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:39:05" (2/3) ... [2021-01-07 04:39:08,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd225db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:39:08, skipping insertion in model container [2021-01-07 04:39:08,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:39:08" (3/3) ... [2021-01-07 04:39:08,261 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-2.i [2021-01-07 04:39:08,268 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:39:08,274 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-07 04:39:08,294 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-07 04:39:08,325 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:39:08,325 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 04:39:08,325 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:39:08,325 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:39:08,325 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:39:08,325 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:39:08,326 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:39:08,326 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:39:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-01-07 04:39:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-07 04:39:08,354 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:08,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:39:08,355 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:08,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:08,362 INFO L82 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-01-07 04:39:08,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:08,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912634316] [2021-01-07 04:39:08,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:08,588 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 04:39:08,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912634316] [2021-01-07 04:39:08,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:08,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:39:08,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910008197] [2021-01-07 04:39:08,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:39:08,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:08,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:39:08,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:39:08,623 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2021-01-07 04:39:08,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:08,707 INFO L93 Difference]: Finished difference Result 410 states and 682 transitions. [2021-01-07 04:39:08,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:39:08,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2021-01-07 04:39:08,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:08,728 INFO L225 Difference]: With dead ends: 410 [2021-01-07 04:39:08,728 INFO L226 Difference]: Without dead ends: 173 [2021-01-07 04:39:08,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:39:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-01-07 04:39:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-01-07 04:39:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2021-01-07 04:39:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-01-07 04:39:08,811 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-01-07 04:39:08,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:08,812 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-01-07 04:39:08,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:39:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-01-07 04:39:08,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-07 04:39:08,816 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:08,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:39:08,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:39:08,817 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:08,818 INFO L82 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-01-07 04:39:08,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:08,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671743174] [2021-01-07 04:39:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:08,932 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 04:39:08,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671743174] [2021-01-07 04:39:08,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:08,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:39:08,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940818062] [2021-01-07 04:39:08,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:39:08,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:08,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:39:08,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:39:08,937 INFO L87 Difference]: Start difference. First operand 173 states and 225 transitions. Second operand 4 states. [2021-01-07 04:39:09,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:09,569 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-01-07 04:39:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:39:09,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2021-01-07 04:39:09,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:09,573 INFO L225 Difference]: With dead ends: 377 [2021-01-07 04:39:09,573 INFO L226 Difference]: Without dead ends: 294 [2021-01-07 04:39:09,575 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 04:39:09,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-01-07 04:39:09,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-01-07 04:39:09,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2021-01-07 04:39:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-01-07 04:39:09,591 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-01-07 04:39:09,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:09,591 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-01-07 04:39:09,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:39:09,592 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-01-07 04:39:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-07 04:39:09,595 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:09,596 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:09,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 04:39:09,596 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:09,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:09,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-01-07 04:39:09,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:09,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500423485] [2021-01-07 04:39:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:09,628 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:09,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944773676] [2021-01-07 04:39:09,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:09,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:39:09,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:39:10,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500423485] [2021-01-07 04:39:10,068 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:10,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944773676] [2021-01-07 04:39:10,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:10,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:39:10,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789099983] [2021-01-07 04:39:10,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:39:10,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:10,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:39:10,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:39:10,071 INFO L87 Difference]: Start difference. First operand 175 states and 227 transitions. Second operand 3 states. [2021-01-07 04:39:10,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:10,216 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-01-07 04:39:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:39:10,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-07 04:39:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:10,220 INFO L225 Difference]: With dead ends: 367 [2021-01-07 04:39:10,221 INFO L226 Difference]: Without dead ends: 196 [2021-01-07 04:39:10,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 04:39:10,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-01-07 04:39:10,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-01-07 04:39:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2021-01-07 04:39:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-01-07 04:39:10,261 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-01-07 04:39:10,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:10,263 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-01-07 04:39:10,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:39:10,264 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-01-07 04:39:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-07 04:39:10,270 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:10,271 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:10,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-07 04:39:10,487 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:10,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:10,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-01-07 04:39:10,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:10,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388068212] [2021-01-07 04:39:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:10,560 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:10,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379511598] [2021-01-07 04:39:10,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:10,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:39:10,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 04:39:10,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388068212] [2021-01-07 04:39:10,994 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:10,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379511598] [2021-01-07 04:39:10,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:10,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:39:10,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096394692] [2021-01-07 04:39:10,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:39:10,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:10,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:39:11,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:39:11,000 INFO L87 Difference]: Start difference. First operand 195 states and 247 transitions. Second operand 3 states. [2021-01-07 04:39:11,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:11,115 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-01-07 04:39:11,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:39:11,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-07 04:39:11,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:11,119 INFO L225 Difference]: With dead ends: 298 [2021-01-07 04:39:11,119 INFO L226 Difference]: Without dead ends: 216 [2021-01-07 04:39:11,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 04:39:11,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-01-07 04:39:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-01-07 04:39:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2021-01-07 04:39:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-01-07 04:39:11,128 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-01-07 04:39:11,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:11,129 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-01-07 04:39:11,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:39:11,129 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-01-07 04:39:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-07 04:39:11,132 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:11,132 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:11,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:11,347 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:11,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:11,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-01-07 04:39:11,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:11,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765435789] [2021-01-07 04:39:11,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:11,396 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:11,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [830329471] [2021-01-07 04:39:11,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:11,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:39:11,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:39:11,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765435789] [2021-01-07 04:39:11,822 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:11,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830329471] [2021-01-07 04:39:11,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:11,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:39:11,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831834818] [2021-01-07 04:39:11,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:39:11,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:11,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:39:11,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:39:11,829 INFO L87 Difference]: Start difference. First operand 215 states and 267 transitions. Second operand 4 states. [2021-01-07 04:39:11,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:11,948 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-01-07 04:39:11,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:39:11,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2021-01-07 04:39:11,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:11,951 INFO L225 Difference]: With dead ends: 418 [2021-01-07 04:39:11,951 INFO L226 Difference]: Without dead ends: 207 [2021-01-07 04:39:11,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 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 04:39:11,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-01-07 04:39:11,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-01-07 04:39:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2021-01-07 04:39:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-01-07 04:39:11,961 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-01-07 04:39:11,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:11,962 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-01-07 04:39:11,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:39:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-01-07 04:39:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-07 04:39:11,964 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:11,964 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:12,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:12,178 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:12,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:12,180 INFO L82 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-01-07 04:39:12,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:12,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425017657] [2021-01-07 04:39:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:12,201 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:12,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261486072] [2021-01-07 04:39:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:12,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:39:12,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 04:39:12,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425017657] [2021-01-07 04:39:12,531 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:12,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261486072] [2021-01-07 04:39:12,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:12,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:39:12,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316764170] [2021-01-07 04:39:12,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:39:12,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:12,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:39:12,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:39:12,546 INFO L87 Difference]: Start difference. First operand 201 states and 246 transitions. Second operand 4 states. [2021-01-07 04:39:12,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:12,674 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-01-07 04:39:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:39:12,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2021-01-07 04:39:12,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:12,678 INFO L225 Difference]: With dead ends: 295 [2021-01-07 04:39:12,678 INFO L226 Difference]: Without dead ends: 193 [2021-01-07 04:39:12,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 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 04:39:12,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-01-07 04:39:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-01-07 04:39:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2021-01-07 04:39:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-01-07 04:39:12,694 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-01-07 04:39:12,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:12,698 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-01-07 04:39:12,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:39:12,698 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-01-07 04:39:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-07 04:39:12,700 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:12,701 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:12,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:12,915 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:12,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:12,916 INFO L82 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-01-07 04:39:12,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:12,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304891359] [2021-01-07 04:39:12,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:12,934 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:12,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1495610984] [2021-01-07 04:39:12,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:13,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:39:13,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:39:13,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304891359] [2021-01-07 04:39:13,302 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:13,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495610984] [2021-01-07 04:39:13,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:13,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:39:13,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783847363] [2021-01-07 04:39:13,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:39:13,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:13,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:39:13,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:39:13,305 INFO L87 Difference]: Start difference. First operand 187 states and 225 transitions. Second operand 3 states. [2021-01-07 04:39:13,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:13,397 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-01-07 04:39:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:39:13,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-07 04:39:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:13,400 INFO L225 Difference]: With dead ends: 486 [2021-01-07 04:39:13,400 INFO L226 Difference]: Without dead ends: 303 [2021-01-07 04:39:13,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 04:39:13,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-01-07 04:39:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-01-07 04:39:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2021-01-07 04:39:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-01-07 04:39:13,411 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-01-07 04:39:13,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:13,411 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-01-07 04:39:13,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:39:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-01-07 04:39:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-07 04:39:13,413 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:13,413 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:13,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-01-07 04:39:13,627 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:13,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:13,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-01-07 04:39:13,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:13,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673788700] [2021-01-07 04:39:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:13,651 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:13,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1038695295] [2021-01-07 04:39:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:13,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:39:13,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:39:13,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673788700] [2021-01-07 04:39:13,985 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:13,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038695295] [2021-01-07 04:39:13,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:13,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:39:13,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571427437] [2021-01-07 04:39:13,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:39:13,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:13,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:39:13,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:39:13,988 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand 3 states. [2021-01-07 04:39:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:14,017 INFO L93 Difference]: Finished difference Result 536 states and 651 transitions. [2021-01-07 04:39:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:39:14,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2021-01-07 04:39:14,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:14,020 INFO L225 Difference]: With dead ends: 536 [2021-01-07 04:39:14,020 INFO L226 Difference]: Without dead ends: 293 [2021-01-07 04:39:14,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 04:39:14,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-01-07 04:39:14,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2021-01-07 04:39:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2021-01-07 04:39:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 352 transitions. [2021-01-07 04:39:14,033 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 352 transitions. Word has length 103 [2021-01-07 04:39:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:14,033 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 352 transitions. [2021-01-07 04:39:14,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:39:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 352 transitions. [2021-01-07 04:39:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-07 04:39:14,034 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:14,035 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:14,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:14,250 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:14,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:14,251 INFO L82 PathProgramCache]: Analyzing trace with hash 77446145, now seen corresponding path program 1 times [2021-01-07 04:39:14,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:14,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82282296] [2021-01-07 04:39:14,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:14,272 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:14,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446188401] [2021-01-07 04:39:14,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:14,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:39:14,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:39:14,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82282296] [2021-01-07 04:39:14,568 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:14,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446188401] [2021-01-07 04:39:14,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:39:14,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:39:14,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228942453] [2021-01-07 04:39:14,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:39:14,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:14,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:39:14,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:39:14,570 INFO L87 Difference]: Start difference. First operand 293 states and 352 transitions. Second operand 4 states. [2021-01-07 04:39:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:14,603 INFO L93 Difference]: Finished difference Result 540 states and 655 transitions. [2021-01-07 04:39:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:39:14,604 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2021-01-07 04:39:14,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:14,606 INFO L225 Difference]: With dead ends: 540 [2021-01-07 04:39:14,607 INFO L226 Difference]: Without dead ends: 295 [2021-01-07 04:39:14,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:39:14,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-01-07 04:39:14,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2021-01-07 04:39:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2021-01-07 04:39:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 354 transitions. [2021-01-07 04:39:14,618 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 354 transitions. Word has length 105 [2021-01-07 04:39:14,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:14,619 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 354 transitions. [2021-01-07 04:39:14,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:39:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 354 transitions. [2021-01-07 04:39:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-07 04:39:14,620 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:14,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:14,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:14,831 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:14,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:14,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1213198784, now seen corresponding path program 2 times [2021-01-07 04:39:14,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:14,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072188443] [2021-01-07 04:39:14,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:14,852 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:14,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1599863978] [2021-01-07 04:39:14,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:15,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:39:15,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:39:15,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:39:15,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-07 04:39:15,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072188443] [2021-01-07 04:39:15,209 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:15,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599863978] [2021-01-07 04:39:15,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:39:15,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:39:15,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44106758] [2021-01-07 04:39:15,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:39:15,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:15,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:39:15,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:39:15,212 INFO L87 Difference]: Start difference. First operand 295 states and 354 transitions. Second operand 5 states. [2021-01-07 04:39:15,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:15,261 INFO L93 Difference]: Finished difference Result 544 states and 659 transitions. [2021-01-07 04:39:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:39:15,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2021-01-07 04:39:15,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:15,264 INFO L225 Difference]: With dead ends: 544 [2021-01-07 04:39:15,264 INFO L226 Difference]: Without dead ends: 297 [2021-01-07 04:39:15,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:39:15,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-01-07 04:39:15,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2021-01-07 04:39:15,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2021-01-07 04:39:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 356 transitions. [2021-01-07 04:39:15,278 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 356 transitions. Word has length 107 [2021-01-07 04:39:15,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:15,278 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 356 transitions. [2021-01-07 04:39:15,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:39:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 356 transitions. [2021-01-07 04:39:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-07 04:39:15,280 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:15,280 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:15,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-07 04:39:15,496 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:15,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:15,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1565711009, now seen corresponding path program 3 times [2021-01-07 04:39:15,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:15,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252016067] [2021-01-07 04:39:15,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:15,524 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:15,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859877895] [2021-01-07 04:39:15,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:15,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:39:15,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:39:15,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 04:39:15,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-01-07 04:39:15,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252016067] [2021-01-07 04:39:15,952 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:15,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859877895] [2021-01-07 04:39:15,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:39:15,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:39:15,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630385966] [2021-01-07 04:39:15,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:39:15,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:15,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:39:15,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:39:15,955 INFO L87 Difference]: Start difference. First operand 297 states and 356 transitions. Second operand 4 states. [2021-01-07 04:39:16,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:16,258 INFO L93 Difference]: Finished difference Result 486 states and 583 transitions. [2021-01-07 04:39:16,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:39:16,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2021-01-07 04:39:16,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:16,261 INFO L225 Difference]: With dead ends: 486 [2021-01-07 04:39:16,261 INFO L226 Difference]: Without dead ends: 237 [2021-01-07 04:39:16,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 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 04:39:16,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2021-01-07 04:39:16,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2021-01-07 04:39:16,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2021-01-07 04:39:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 278 transitions. [2021-01-07 04:39:16,296 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 278 transitions. Word has length 109 [2021-01-07 04:39:16,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:16,297 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 278 transitions. [2021-01-07 04:39:16,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:39:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 278 transitions. [2021-01-07 04:39:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-01-07 04:39:16,300 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:16,301 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:16,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:16,516 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:16,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:16,518 INFO L82 PathProgramCache]: Analyzing trace with hash -2033164455, now seen corresponding path program 1 times [2021-01-07 04:39:16,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:16,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594696012] [2021-01-07 04:39:16,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:16,534 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:16,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068271826] [2021-01-07 04:39:16,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:39:16,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 04:39:16,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-07 04:39:16,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594696012] [2021-01-07 04:39:16,898 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:16,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068271826] [2021-01-07 04:39:16,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:39:16,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-01-07 04:39:16,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579733972] [2021-01-07 04:39:16,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:39:16,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:16,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:39:16,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:39:16,901 INFO L87 Difference]: Start difference. First operand 237 states and 278 transitions. Second operand 6 states. [2021-01-07 04:39:16,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:16,949 INFO L93 Difference]: Finished difference Result 422 states and 500 transitions. [2021-01-07 04:39:16,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:39:16,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2021-01-07 04:39:16,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:16,951 INFO L225 Difference]: With dead ends: 422 [2021-01-07 04:39:16,951 INFO L226 Difference]: Without dead ends: 239 [2021-01-07 04:39:16,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:39:16,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-01-07 04:39:16,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2021-01-07 04:39:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2021-01-07 04:39:16,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 280 transitions. [2021-01-07 04:39:16,964 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 280 transitions. Word has length 116 [2021-01-07 04:39:16,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:16,965 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 280 transitions. [2021-01-07 04:39:16,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:39:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 280 transitions. [2021-01-07 04:39:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-01-07 04:39:16,966 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:16,967 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:17,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:17,183 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:17,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:17,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1107953786, now seen corresponding path program 2 times [2021-01-07 04:39:17,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:17,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219738822] [2021-01-07 04:39:17,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:17,217 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:17,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901872361] [2021-01-07 04:39:17,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:39:17,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:39:17,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:39:17,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-07 04:39:17,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:39:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-07 04:39:17,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219738822] [2021-01-07 04:39:17,643 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:39:17,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901872361] [2021-01-07 04:39:17,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:39:17,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-01-07 04:39:17,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539131798] [2021-01-07 04:39:17,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:39:17,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:39:17,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:39:17,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:39:17,645 INFO L87 Difference]: Start difference. First operand 239 states and 280 transitions. Second operand 7 states. [2021-01-07 04:39:17,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:39:17,717 INFO L93 Difference]: Finished difference Result 425 states and 503 transitions. [2021-01-07 04:39:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 04:39:17,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 118 [2021-01-07 04:39:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:39:17,720 INFO L225 Difference]: With dead ends: 425 [2021-01-07 04:39:17,720 INFO L226 Difference]: Without dead ends: 241 [2021-01-07 04:39:17,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:39:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-01-07 04:39:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2021-01-07 04:39:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2021-01-07 04:39:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 282 transitions. [2021-01-07 04:39:17,733 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 282 transitions. Word has length 118 [2021-01-07 04:39:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:39:17,733 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 282 transitions. [2021-01-07 04:39:17,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:39:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 282 transitions. [2021-01-07 04:39:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-01-07 04:39:17,735 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:39:17,736 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:17,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-07 04:39:17,950 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:39:17,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:39:17,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1744266425, now seen corresponding path program 3 times [2021-01-07 04:39:17,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:39:17,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391657313] [2021-01-07 04:39:17,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:39:17,966 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:39:17,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [896901059] [2021-01-07 04:39:17,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true