/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_FNV_test5-3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:16:23,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:16:23,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:16:23,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 04:16:23,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 04:16:23,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 04:16:23,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 04:16:23,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 04:16:23,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 04:16:23,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 04:16:23,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 04:16:23,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 04:16:23,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:16:23,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:16:23,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:16:23,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:16:23,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:16:23,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:16:23,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:16:23,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:16:23,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:16:23,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:16:23,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:16:23,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:16:23,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 04:16:23,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 04:16:23,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 04:16:23,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 04:16:23,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 04:16:23,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 04:16:23,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 04:16:23,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 04:16:23,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 04:16:23,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 04:16:23,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 04:16:23,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 04:16:23,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 04:16:23,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 04:16:23,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:16:23,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:16:23,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:16:23,666 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 04:16:23,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:16:23,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:16:23,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:16:23,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:16:23,721 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:16:23,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:16:23,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:16:23,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:16:23,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 04:16:23,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:16:23,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 04:16:23,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 04:16:23,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:16:23,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 04:16:23,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:16:23,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:16:23,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:16:23,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:16:23,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:16:23,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:16:23,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 04:16:23,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:16:23,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:16:23,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 04:16:23,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:16:23,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:16:24,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:16:24,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:16:24,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:16:24,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:16:24,197 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:16:24,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2021-01-07 04:16:24,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c1ff0e88d/8d78ffde512649f8ab55e05d6850ebb9/FLAGb07c43b25 [2021-01-07 04:16:25,167 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:16:25,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2021-01-07 04:16:25,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c1ff0e88d/8d78ffde512649f8ab55e05d6850ebb9/FLAGb07c43b25 [2021-01-07 04:16:25,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c1ff0e88d/8d78ffde512649f8ab55e05d6850ebb9 [2021-01-07 04:16:25,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:16:25,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:16:25,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:16:25,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:16:25,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:16:25,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:16:25" (1/1) ... [2021-01-07 04:16:25,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1f2d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:25, skipping insertion in model container [2021-01-07 04:16:25,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:16:25" (1/1) ... [2021-01-07 04:16:25,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:16:25,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-07 04:16:26,009 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_FNV_test5-3.i[33021,33034] 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[~_ha_hashv~1,] 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: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem165,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem165,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem166,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem166,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem167,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem167,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem168,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem168,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem184,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem184,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem185,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem185,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem197,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem197,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem209,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem209,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem219,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem219,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem245,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem245,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem253,],base],StructAccessExpression[IdentifierExpression[#t~mem253,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem254,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem254,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem264,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem264,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~2,] 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 04:16:26,251 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_FNV_test5-3.i[49681,49694] 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[~usertmp~0,] left hand side expression in assignment: lhs: VariableLHS[~userstmp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem322,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem322,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem327,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem327,],offset],IdentifierExpression[#t~mem329,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem333,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem333,],offset],IdentifierExpression[#t~mem335,]]]]] 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~mem347,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem347,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem350,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem350,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~userstmp~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem363,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem363,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem368,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem368,],offset],IdentifierExpression[#t~mem370,]]]]] left hand side expression in assignment: lhs: VariableLHS[~userstmp~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem374,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem374,],offset],IdentifierExpression[#t~mem376,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~1,],base],StructAccessExpression[IdentifierExpression[~_hd_head~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem388,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem388,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem391,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem391,],offset]]]] [2021-01-07 04:16:26,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:16:26,308 INFO L203 MainTranslator]: Completed pre-run [2021-01-07 04:16:26,345 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_FNV_test5-3.i[33021,33034] 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: address: IdentifierExpression[~#_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem83,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem83,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem93,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem93,],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~mem120,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem120,],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~mem128,],base],StructAccessExpression[IdentifierExpression[#t~mem128,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem130,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem130,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem140,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem140,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] 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: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem170,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem170,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem172,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem172,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem173,],base],StructAccessExpression[IdentifierExpression[#t~mem173,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem175,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem175,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem188,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem188,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem189,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem189,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem201,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem201,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem215,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem215,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem225,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem225,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem252,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem252,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem260,],base],StructAccessExpression[IdentifierExpression[#t~mem260,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem262,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem262,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem272,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem272,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: IdentifierExpression[~#j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~2,] 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 04:16:26,486 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_FNV_test5-3.i[49681,49694] 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[~usertmp~0,] left hand side expression in assignment: lhs: VariableLHS[~userstmp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem330,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem330,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem335,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem335,],offset],IdentifierExpression[#t~mem337,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem341,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem341,],offset],IdentifierExpression[#t~mem343,]]]]] 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~mem355,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem355,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem358,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem358,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~userstmp~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem371,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem371,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem376,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem376,],offset],IdentifierExpression[#t~mem378,]]]]] left hand side expression in assignment: lhs: VariableLHS[~userstmp~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem382,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem382,],offset],IdentifierExpression[#t~mem384,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~1,],base],StructAccessExpression[IdentifierExpression[~_hd_head~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem396,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem396,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem399,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem399,],offset]]]] [2021-01-07 04:16:26,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:16:26,619 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:16:26,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26 WrapperNode [2021-01-07 04:16:26,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:16:26,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:16:26,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:16:26,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:16:26,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:26,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:26,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:16:26,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:16:26,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:16:26,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:16:26,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:26,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:26,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:26,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:27,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:27,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:27,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (1/1) ... [2021-01-07 04:16:27,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:16:27,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:16:27,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:16:27,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:16:27,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (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 04:16:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:16:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:16:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:16:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:16:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:16:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-01-07 04:16:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:16:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:16:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:16:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:16:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:16:30,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:16:30,007 INFO L299 CfgBuilder]: Removed 128 assume(true) statements. [2021-01-07 04:16:30,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:16:30 BoogieIcfgContainer [2021-01-07 04:16:30,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:16:30,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:16:30,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:16:30,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:16:30,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:16:25" (1/3) ... [2021-01-07 04:16:30,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88eb0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:16:30, skipping insertion in model container [2021-01-07 04:16:30,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:26" (2/3) ... [2021-01-07 04:16:30,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88eb0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:16:30, skipping insertion in model container [2021-01-07 04:16:30,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:16:30" (3/3) ... [2021-01-07 04:16:30,022 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-3.i [2021-01-07 04:16:30,030 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:16:30,036 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-07 04:16:30,059 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-07 04:16:30,106 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:16:30,107 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 04:16:30,107 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:16:30,107 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:16:30,107 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:16:30,107 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:16:30,107 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:16:30,108 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:16:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states. [2021-01-07 04:16:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 04:16:30,145 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:30,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:30,146 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 04:16:30,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:30,153 INFO L82 PathProgramCache]: Analyzing trace with hash 889803109, now seen corresponding path program 1 times [2021-01-07 04:16:30,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:30,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331445880] [2021-01-07 04:16:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:30,334 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 04:16:30,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331445880] [2021-01-07 04:16:30,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:30,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:16:30,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237658376] [2021-01-07 04:16:30,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:16:30,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:30,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:16:30,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:16:30,362 INFO L87 Difference]: Start difference. First operand 308 states. Second operand 2 states. [2021-01-07 04:16:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:30,419 INFO L93 Difference]: Finished difference Result 614 states and 1036 transitions. [2021-01-07 04:16:30,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:16:30,421 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-01-07 04:16:30,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:30,436 INFO L225 Difference]: With dead ends: 614 [2021-01-07 04:16:30,436 INFO L226 Difference]: Without dead ends: 254 [2021-01-07 04:16:30,442 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 04:16:30,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-01-07 04:16:30,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-01-07 04:16:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2021-01-07 04:16:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 333 transitions. [2021-01-07 04:16:30,512 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 333 transitions. Word has length 8 [2021-01-07 04:16:30,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:30,513 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 333 transitions. [2021-01-07 04:16:30,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:16:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 333 transitions. [2021-01-07 04:16:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-07 04:16:30,515 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:30,515 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] [2021-01-07 04:16:30,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:16:30,516 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 04:16:30,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:30,517 INFO L82 PathProgramCache]: Analyzing trace with hash -680083191, now seen corresponding path program 1 times [2021-01-07 04:16:30,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:30,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082669636] [2021-01-07 04:16:30,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:30,547 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:30,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951983786] [2021-01-07 04:16:30,548 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 04:16:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:30,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-07 04:16:30,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:30,893 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 04:16:30,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082669636] [2021-01-07 04:16:30,894 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:30,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951983786] [2021-01-07 04:16:30,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:30,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:30,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182372174] [2021-01-07 04:16:30,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:30,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:30,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:30,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:30,899 INFO L87 Difference]: Start difference. First operand 254 states and 333 transitions. Second operand 3 states. [2021-01-07 04:16:30,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:30,969 INFO L93 Difference]: Finished difference Result 587 states and 769 transitions. [2021-01-07 04:16:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:30,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-01-07 04:16:30,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:30,983 INFO L225 Difference]: With dead ends: 587 [2021-01-07 04:16:30,984 INFO L226 Difference]: Without dead ends: 505 [2021-01-07 04:16:30,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 04:16:30,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-01-07 04:16:31,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 255. [2021-01-07 04:16:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2021-01-07 04:16:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 334 transitions. [2021-01-07 04:16:31,026 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 334 transitions. Word has length 42 [2021-01-07 04:16:31,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:31,026 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 334 transitions. [2021-01-07 04:16:31,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 334 transitions. [2021-01-07 04:16:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:31,038 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:31,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:31,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-01-07 04:16:31,253 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 04:16:31,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:31,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1837409632, now seen corresponding path program 1 times [2021-01-07 04:16:31,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:31,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117360853] [2021-01-07 04:16:31,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:31,307 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:31,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040951126] [2021-01-07 04:16:31,312 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 04:16:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:31,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:31,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:31,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117360853] [2021-01-07 04:16:31,900 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:31,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040951126] [2021-01-07 04:16:31,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:31,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:31,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710526765] [2021-01-07 04:16:31,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:31,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:31,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:31,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:31,904 INFO L87 Difference]: Start difference. First operand 255 states and 334 transitions. Second operand 3 states. [2021-01-07 04:16:32,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:32,016 INFO L93 Difference]: Finished difference Result 528 states and 696 transitions. [2021-01-07 04:16:32,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:32,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:16:32,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:32,019 INFO L225 Difference]: With dead ends: 528 [2021-01-07 04:16:32,019 INFO L226 Difference]: Without dead ends: 276 [2021-01-07 04:16:32,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 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 04:16:32,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-01-07 04:16:32,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 275. [2021-01-07 04:16:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2021-01-07 04:16:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 354 transitions. [2021-01-07 04:16:32,037 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 354 transitions. Word has length 140 [2021-01-07 04:16:32,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:32,038 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 354 transitions. [2021-01-07 04:16:32,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 354 transitions. [2021-01-07 04:16:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:32,042 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:32,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:32,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:32,258 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 04:16:32,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:32,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1273244828, now seen corresponding path program 1 times [2021-01-07 04:16:32,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:32,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617309092] [2021-01-07 04:16:32,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:32,292 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:32,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1089808264] [2021-01-07 04:16:32,293 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 04:16:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:32,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:32,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:32,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617309092] [2021-01-07 04:16:32,972 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:32,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089808264] [2021-01-07 04:16:32,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:32,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:32,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895464360] [2021-01-07 04:16:32,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:32,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:32,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:32,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:32,976 INFO L87 Difference]: Start difference. First operand 275 states and 354 transitions. Second operand 3 states. [2021-01-07 04:16:33,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:33,079 INFO L93 Difference]: Finished difference Result 568 states and 736 transitions. [2021-01-07 04:16:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:33,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:16:33,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:33,082 INFO L225 Difference]: With dead ends: 568 [2021-01-07 04:16:33,083 INFO L226 Difference]: Without dead ends: 296 [2021-01-07 04:16:33,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 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 04:16:33,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-01-07 04:16:33,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 295. [2021-01-07 04:16:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2021-01-07 04:16:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 374 transitions. [2021-01-07 04:16:33,095 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 374 transitions. Word has length 140 [2021-01-07 04:16:33,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:33,096 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 374 transitions. [2021-01-07 04:16:33,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 374 transitions. [2021-01-07 04:16:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:33,100 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:33,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:33,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:33,315 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 04:16:33,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:33,316 INFO L82 PathProgramCache]: Analyzing trace with hash -882913824, now seen corresponding path program 1 times [2021-01-07 04:16:33,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:33,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904486876] [2021-01-07 04:16:33,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:33,373 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:33,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828822128] [2021-01-07 04:16:33,374 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 04:16:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:33,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:33,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:16:33,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904486876] [2021-01-07 04:16:33,890 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:33,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828822128] [2021-01-07 04:16:33,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:33,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:33,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68878517] [2021-01-07 04:16:33,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:33,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:33,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:33,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:33,893 INFO L87 Difference]: Start difference. First operand 295 states and 374 transitions. Second operand 3 states. [2021-01-07 04:16:33,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:33,995 INFO L93 Difference]: Finished difference Result 397 states and 510 transitions. [2021-01-07 04:16:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:33,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:16:33,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:34,000 INFO L225 Difference]: With dead ends: 397 [2021-01-07 04:16:34,000 INFO L226 Difference]: Without dead ends: 316 [2021-01-07 04:16:34,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 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 04:16:34,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-01-07 04:16:34,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 315. [2021-01-07 04:16:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2021-01-07 04:16:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 394 transitions. [2021-01-07 04:16:34,011 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 394 transitions. Word has length 140 [2021-01-07 04:16:34,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:34,011 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 394 transitions. [2021-01-07 04:16:34,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 394 transitions. [2021-01-07 04:16:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:34,014 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:34,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:34,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:34,229 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 04:16:34,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:34,231 INFO L82 PathProgramCache]: Analyzing trace with hash 115522276, now seen corresponding path program 1 times [2021-01-07 04:16:34,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:34,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739836825] [2021-01-07 04:16:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:34,306 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:34,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137198443] [2021-01-07 04:16:34,306 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 04:16:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:34,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:34,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:34,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739836825] [2021-01-07 04:16:34,824 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:34,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137198443] [2021-01-07 04:16:34,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:34,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:16:34,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766693086] [2021-01-07 04:16:34,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:34,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:34,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:34,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:34,827 INFO L87 Difference]: Start difference. First operand 315 states and 394 transitions. Second operand 4 states. [2021-01-07 04:16:34,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:34,943 INFO L93 Difference]: Finished difference Result 619 states and 777 transitions. [2021-01-07 04:16:34,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:34,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:16:34,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:34,946 INFO L225 Difference]: With dead ends: 619 [2021-01-07 04:16:34,946 INFO L226 Difference]: Without dead ends: 307 [2021-01-07 04:16:34,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 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 04:16:34,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2021-01-07 04:16:34,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2021-01-07 04:16:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2021-01-07 04:16:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2021-01-07 04:16:34,957 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 140 [2021-01-07 04:16:34,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:34,957 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2021-01-07 04:16:34,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2021-01-07 04:16:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:34,960 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:34,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:35,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-07 04:16:35,176 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 04:16:35,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:35,177 INFO L82 PathProgramCache]: Analyzing trace with hash 32737814, now seen corresponding path program 1 times [2021-01-07 04:16:35,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:35,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162916688] [2021-01-07 04:16:35,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:35,215 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:35,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887054261] [2021-01-07 04:16:35,216 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 04:16:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:35,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:35,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:35,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162916688] [2021-01-07 04:16:35,692 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:35,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887054261] [2021-01-07 04:16:35,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:35,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:16:35,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690238088] [2021-01-07 04:16:35,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:35,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:35,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:35,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:35,694 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand 4 states. [2021-01-07 04:16:35,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:35,793 INFO L93 Difference]: Finished difference Result 680 states and 844 transitions. [2021-01-07 04:16:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:35,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:16:35,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:35,798 INFO L225 Difference]: With dead ends: 680 [2021-01-07 04:16:35,798 INFO L226 Difference]: Without dead ends: 382 [2021-01-07 04:16:35,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 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 04:16:35,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-01-07 04:16:35,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 287. [2021-01-07 04:16:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-01-07 04:16:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2021-01-07 04:16:35,811 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 140 [2021-01-07 04:16:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:35,813 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2021-01-07 04:16:35,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2021-01-07 04:16:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:35,817 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:35,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:36,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:36,031 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 04:16:36,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:36,033 INFO L82 PathProgramCache]: Analyzing trace with hash -577227484, now seen corresponding path program 1 times [2021-01-07 04:16:36,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:36,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793873202] [2021-01-07 04:16:36,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:36,055 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:36,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847263311] [2021-01-07 04:16:36,056 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 04:16:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:36,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:36,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:16:36,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793873202] [2021-01-07 04:16:36,578 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:36,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847263311] [2021-01-07 04:16:36,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:36,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:16:36,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658862900] [2021-01-07 04:16:36,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:36,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:36,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:36,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:36,584 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand 4 states. [2021-01-07 04:16:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:36,694 INFO L93 Difference]: Finished difference Result 379 states and 468 transitions. [2021-01-07 04:16:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:36,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:16:36,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:36,700 INFO L225 Difference]: With dead ends: 379 [2021-01-07 04:16:36,701 INFO L226 Difference]: Without dead ends: 278 [2021-01-07 04:16:36,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 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 04:16:36,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-01-07 04:16:36,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 273. [2021-01-07 04:16:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-01-07 04:16:36,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 331 transitions. [2021-01-07 04:16:36,716 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 331 transitions. Word has length 140 [2021-01-07 04:16:36,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:36,717 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 331 transitions. [2021-01-07 04:16:36,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 331 transitions. [2021-01-07 04:16:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:36,719 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:36,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:36,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:36,933 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 04:16:36,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:36,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1460076330, now seen corresponding path program 1 times [2021-01-07 04:16:36,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:36,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922170124] [2021-01-07 04:16:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:36,957 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:36,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702797864] [2021-01-07 04:16:36,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:37,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:37,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:37,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922170124] [2021-01-07 04:16:37,461 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:37,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702797864] [2021-01-07 04:16:37,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:37,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:16:37,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127547957] [2021-01-07 04:16:37,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:37,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:37,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:37,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:37,463 INFO L87 Difference]: Start difference. First operand 273 states and 331 transitions. Second operand 4 states. [2021-01-07 04:16:37,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:37,526 INFO L93 Difference]: Finished difference Result 811 states and 984 transitions. [2021-01-07 04:16:37,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:37,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:16:37,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:37,531 INFO L225 Difference]: With dead ends: 811 [2021-01-07 04:16:37,531 INFO L226 Difference]: Without dead ends: 723 [2021-01-07 04:16:37,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 137 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 04:16:37,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2021-01-07 04:16:37,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 455. [2021-01-07 04:16:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2021-01-07 04:16:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 553 transitions. [2021-01-07 04:16:37,552 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 553 transitions. Word has length 140 [2021-01-07 04:16:37,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:37,552 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 553 transitions. [2021-01-07 04:16:37,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 553 transitions. [2021-01-07 04:16:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-01-07 04:16:37,556 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:37,556 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:37,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-07 04:16:37,771 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 04:16:37,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:37,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1379453485, now seen corresponding path program 2 times [2021-01-07 04:16:37,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:37,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810837676] [2021-01-07 04:16:37,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:37,820 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:37,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859034505] [2021-01-07 04:16:37,820 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 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 04:16:38,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:38,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:38,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:16:38,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:38,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810837676] [2021-01-07 04:16:38,581 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:38,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859034505] [2021-01-07 04:16:38,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:38,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:16:38,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427490159] [2021-01-07 04:16:38,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:16:38,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:38,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:16:38,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:38,584 INFO L87 Difference]: Start difference. First operand 455 states and 553 transitions. Second operand 5 states. [2021-01-07 04:16:38,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:38,698 INFO L93 Difference]: Finished difference Result 1080 states and 1310 transitions. [2021-01-07 04:16:38,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:16:38,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2021-01-07 04:16:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:38,705 INFO L225 Difference]: With dead ends: 1080 [2021-01-07 04:16:38,705 INFO L226 Difference]: Without dead ends: 992 [2021-01-07 04:16:38,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 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 04:16:38,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2021-01-07 04:16:38,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 637. [2021-01-07 04:16:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2021-01-07 04:16:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 775 transitions. [2021-01-07 04:16:38,736 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 775 transitions. Word has length 238 [2021-01-07 04:16:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:38,737 INFO L481 AbstractCegarLoop]: Abstraction has 637 states and 775 transitions. [2021-01-07 04:16:38,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:16:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 775 transitions. [2021-01-07 04:16:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-01-07 04:16:38,743 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:38,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:38,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:38,959 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 04:16:38,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:38,960 INFO L82 PathProgramCache]: Analyzing trace with hash 449267140, now seen corresponding path program 3 times [2021-01-07 04:16:38,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:38,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553663748] [2021-01-07 04:16:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:38,997 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:38,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460113724] [2021-01-07 04:16:38,999 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 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 04:16:39,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:16:39,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:39,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:16:39,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-01-07 04:16:40,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553663748] [2021-01-07 04:16:40,103 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:40,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460113724] [2021-01-07 04:16:40,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:40,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:40,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967169392] [2021-01-07 04:16:40,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:40,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:40,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:40,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:40,105 INFO L87 Difference]: Start difference. First operand 637 states and 775 transitions. Second operand 3 states. [2021-01-07 04:16:40,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:40,159 INFO L93 Difference]: Finished difference Result 1216 states and 1484 transitions. [2021-01-07 04:16:40,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:40,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2021-01-07 04:16:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:40,165 INFO L225 Difference]: With dead ends: 1216 [2021-01-07 04:16:40,165 INFO L226 Difference]: Without dead ends: 635 [2021-01-07 04:16:40,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 334 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 04:16:40,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2021-01-07 04:16:40,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 635. [2021-01-07 04:16:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2021-01-07 04:16:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 772 transitions. [2021-01-07 04:16:40,189 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 772 transitions. Word has length 336 [2021-01-07 04:16:40,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:40,190 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 772 transitions. [2021-01-07 04:16:40,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 772 transitions. [2021-01-07 04:16:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-01-07 04:16:40,196 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:40,196 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-07 04:16:40,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:40,410 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 04:16:40,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:40,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1855273396, now seen corresponding path program 1 times [2021-01-07 04:16:40,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:40,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489899365] [2021-01-07 04:16:40,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:40,443 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:40,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528427677] [2021-01-07 04:16:40,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:41,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:41,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-01-07 04:16:41,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489899365] [2021-01-07 04:16:41,454 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:41,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528427677] [2021-01-07 04:16:41,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:41,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:41,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12665593] [2021-01-07 04:16:41,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:41,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:41,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:41,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:41,460 INFO L87 Difference]: Start difference. First operand 635 states and 772 transitions. Second operand 3 states. [2021-01-07 04:16:41,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:41,533 INFO L93 Difference]: Finished difference Result 1232 states and 1512 transitions. [2021-01-07 04:16:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:41,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2021-01-07 04:16:41,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:41,537 INFO L225 Difference]: With dead ends: 1232 [2021-01-07 04:16:41,537 INFO L226 Difference]: Without dead ends: 647 [2021-01-07 04:16:41,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 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 04:16:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2021-01-07 04:16:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2021-01-07 04:16:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2021-01-07 04:16:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 784 transitions. [2021-01-07 04:16:41,560 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 784 transitions. Word has length 343 [2021-01-07 04:16:41,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:41,561 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 784 transitions. [2021-01-07 04:16:41,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 784 transitions. [2021-01-07 04:16:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-01-07 04:16:41,568 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:41,568 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-07 04:16:41,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-07 04:16:41,783 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 04:16:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:41,784 INFO L82 PathProgramCache]: Analyzing trace with hash 162679507, now seen corresponding path program 1 times [2021-01-07 04:16:41,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:41,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569046129] [2021-01-07 04:16:41,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:41,814 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:41,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [285823040] [2021-01-07 04:16:41,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:42,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:16:42,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-01-07 04:16:42,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569046129] [2021-01-07 04:16:42,728 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:42,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285823040] [2021-01-07 04:16:42,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:42,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:16:42,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442433421] [2021-01-07 04:16:42,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:42,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:42,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:42,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:42,734 INFO L87 Difference]: Start difference. First operand 647 states and 784 transitions. Second operand 4 states. [2021-01-07 04:16:42,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:42,813 INFO L93 Difference]: Finished difference Result 1255 states and 1535 transitions. [2021-01-07 04:16:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:42,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 345 [2021-01-07 04:16:42,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:42,817 INFO L225 Difference]: With dead ends: 1255 [2021-01-07 04:16:42,818 INFO L226 Difference]: Without dead ends: 659 [2021-01-07 04:16:42,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 342 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 04:16:42,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-01-07 04:16:42,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-01-07 04:16:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-01-07 04:16:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 796 transitions. [2021-01-07 04:16:42,842 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 796 transitions. Word has length 345 [2021-01-07 04:16:42,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:42,842 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 796 transitions. [2021-01-07 04:16:42,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 796 transitions. [2021-01-07 04:16:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-01-07 04:16:42,845 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:42,846 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:43,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-07 04:16:43,060 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 04:16:43,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:43,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1649703700, now seen corresponding path program 2 times [2021-01-07 04:16:43,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:43,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088767755] [2021-01-07 04:16:43,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:43,087 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:43,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700032726] [2021-01-07 04:16:43,087 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:43,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:43,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:43,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:16:43,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 73 proven. 3 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-01-07 04:16:44,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088767755] [2021-01-07 04:16:44,088 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:44,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700032726] [2021-01-07 04:16:44,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:44,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:16:44,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908292006] [2021-01-07 04:16:44,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:16:44,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:44,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:16:44,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:44,090 INFO L87 Difference]: Start difference. First operand 659 states and 796 transitions. Second operand 5 states. [2021-01-07 04:16:44,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:44,181 INFO L93 Difference]: Finished difference Result 1278 states and 1558 transitions. [2021-01-07 04:16:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:16:44,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 347 [2021-01-07 04:16:44,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:44,184 INFO L225 Difference]: With dead ends: 1278 [2021-01-07 04:16:44,185 INFO L226 Difference]: Without dead ends: 671 [2021-01-07 04:16:44,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 343 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 04:16:44,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2021-01-07 04:16:44,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2021-01-07 04:16:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2021-01-07 04:16:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 808 transitions. [2021-01-07 04:16:44,211 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 808 transitions. Word has length 347 [2021-01-07 04:16:44,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:44,211 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 808 transitions. [2021-01-07 04:16:44,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:16:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 808 transitions. [2021-01-07 04:16:44,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-01-07 04:16:44,214 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:44,214 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-07 04:16:44,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-07 04:16:44,428 INFO L429 AbstractCegarLoop]: === Iteration 15 === [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 04:16:44,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:44,429 INFO L82 PathProgramCache]: Analyzing trace with hash 457445491, now seen corresponding path program 3 times [2021-01-07 04:16:44,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:44,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584207783] [2021-01-07 04:16:44,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:44,482 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:44,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730335735] [2021-01-07 04:16:44,484 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:44,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:16:44,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:44,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:16:44,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-01-07 04:16:45,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584207783] [2021-01-07 04:16:45,748 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:45,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730335735] [2021-01-07 04:16:45,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:45,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:45,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315571325] [2021-01-07 04:16:45,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:45,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:45,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:45,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:45,750 INFO L87 Difference]: Start difference. First operand 671 states and 808 transitions. Second operand 3 states. [2021-01-07 04:16:45,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:45,852 INFO L93 Difference]: Finished difference Result 1256 states and 1514 transitions. [2021-01-07 04:16:45,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:45,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2021-01-07 04:16:45,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:45,856 INFO L225 Difference]: With dead ends: 1256 [2021-01-07 04:16:45,856 INFO L226 Difference]: Without dead ends: 740 [2021-01-07 04:16:45,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 347 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 04:16:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-01-07 04:16:45,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 728. [2021-01-07 04:16:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2021-01-07 04:16:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 880 transitions. [2021-01-07 04:16:45,883 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 880 transitions. Word has length 349 [2021-01-07 04:16:45,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:45,883 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 880 transitions. [2021-01-07 04:16:45,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 880 transitions. [2021-01-07 04:16:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-01-07 04:16:45,886 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:45,887 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:46,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:46,103 INFO L429 AbstractCegarLoop]: === Iteration 16 === [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 04:16:46,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:46,104 INFO L82 PathProgramCache]: Analyzing trace with hash -2060178602, now seen corresponding path program 1 times [2021-01-07 04:16:46,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:46,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344666127] [2021-01-07 04:16:46,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:46,128 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:46,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45194342] [2021-01-07 04:16:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:46,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 04:16:46,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-01-07 04:16:47,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344666127] [2021-01-07 04:16:47,103 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:47,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45194342] [2021-01-07 04:16:47,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:47,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-01-07 04:16:47,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35684788] [2021-01-07 04:16:47,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:16:47,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:47,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:16:47,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:16:47,105 INFO L87 Difference]: Start difference. First operand 728 states and 880 transitions. Second operand 6 states. [2021-01-07 04:16:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:47,221 INFO L93 Difference]: Finished difference Result 1415 states and 1725 transitions. [2021-01-07 04:16:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:16:47,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 362 [2021-01-07 04:16:47,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:47,225 INFO L225 Difference]: With dead ends: 1415 [2021-01-07 04:16:47,226 INFO L226 Difference]: Without dead ends: 740 [2021-01-07 04:16:47,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 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 04:16:47,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-01-07 04:16:47,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2021-01-07 04:16:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2021-01-07 04:16:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 892 transitions. [2021-01-07 04:16:47,254 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 892 transitions. Word has length 362 [2021-01-07 04:16:47,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:47,254 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 892 transitions. [2021-01-07 04:16:47,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:16:47,255 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 892 transitions. [2021-01-07 04:16:47,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-01-07 04:16:47,257 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:47,258 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:47,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-01-07 04:16:47,471 INFO L429 AbstractCegarLoop]: === Iteration 17 === [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 04:16:47,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:47,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1507573012, now seen corresponding path program 2 times [2021-01-07 04:16:47,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:47,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087316941] [2021-01-07 04:16:47,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:47,497 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:47,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259429980] [2021-01-07 04:16:47,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:48,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:48,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:48,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-07 04:16:48,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-01-07 04:16:48,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087316941] [2021-01-07 04:16:48,661 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:48,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259429980] [2021-01-07 04:16:48,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:48,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-01-07 04:16:48,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695802228] [2021-01-07 04:16:48,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:16:48,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:48,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:16:48,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:16:48,663 INFO L87 Difference]: Start difference. First operand 740 states and 892 transitions. Second operand 7 states. [2021-01-07 04:16:48,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:48,784 INFO L93 Difference]: Finished difference Result 1438 states and 1748 transitions. [2021-01-07 04:16:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 04:16:48,785 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 366 [2021-01-07 04:16:48,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:48,789 INFO L225 Difference]: With dead ends: 1438 [2021-01-07 04:16:48,789 INFO L226 Difference]: Without dead ends: 752 [2021-01-07 04:16:48,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 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 04:16:48,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-01-07 04:16:48,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2021-01-07 04:16:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2021-01-07 04:16:48,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 904 transitions. [2021-01-07 04:16:48,820 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 904 transitions. Word has length 366 [2021-01-07 04:16:48,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:48,820 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 904 transitions. [2021-01-07 04:16:48,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:16:48,820 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 904 transitions. [2021-01-07 04:16:48,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-01-07 04:16:48,823 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:48,824 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:49,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-07 04:16:49,039 INFO L429 AbstractCegarLoop]: === Iteration 18 === [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 04:16:49,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:49,039 INFO L82 PathProgramCache]: Analyzing trace with hash 823733142, now seen corresponding path program 3 times [2021-01-07 04:16:49,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:49,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083703580] [2021-01-07 04:16:49,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:49,074 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:49,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1106383406] [2021-01-07 04:16:49,074 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:49,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:16:49,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:49,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:16:49,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-01-07 04:16:50,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083703580] [2021-01-07 04:16:50,147 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:50,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106383406] [2021-01-07 04:16:50,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:50,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:50,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223105921] [2021-01-07 04:16:50,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:50,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:50,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:50,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:50,152 INFO L87 Difference]: Start difference. First operand 752 states and 904 transitions. Second operand 3 states. [2021-01-07 04:16:50,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:50,264 INFO L93 Difference]: Finished difference Result 1376 states and 1653 transitions. [2021-01-07 04:16:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:50,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2021-01-07 04:16:50,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:50,270 INFO L225 Difference]: With dead ends: 1376 [2021-01-07 04:16:50,271 INFO L226 Difference]: Without dead ends: 1027 [2021-01-07 04:16:50,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 368 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 04:16:50,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-01-07 04:16:50,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1015. [2021-01-07 04:16:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2021-01-07 04:16:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1222 transitions. [2021-01-07 04:16:50,312 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1222 transitions. Word has length 370 [2021-01-07 04:16:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:50,313 INFO L481 AbstractCegarLoop]: Abstraction has 1015 states and 1222 transitions. [2021-01-07 04:16:50,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1222 transitions. [2021-01-07 04:16:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-01-07 04:16:50,316 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:50,317 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:50,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-01-07 04:16:50,523 INFO L429 AbstractCegarLoop]: === Iteration 19 === [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 04:16:50,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:50,524 INFO L82 PathProgramCache]: Analyzing trace with hash -145231630, now seen corresponding path program 1 times [2021-01-07 04:16:50,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:50,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538737340] [2021-01-07 04:16:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:50,554 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:50,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149823747] [2021-01-07 04:16:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:51,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-07 04:16:51,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 73 proven. 15 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2021-01-07 04:16:51,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538737340] [2021-01-07 04:16:51,730 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:51,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149823747] [2021-01-07 04:16:51,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:51,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-01-07 04:16:51,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380371134] [2021-01-07 04:16:51,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 04:16:51,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:51,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 04:16:51,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:16:51,733 INFO L87 Difference]: Start difference. First operand 1015 states and 1222 transitions. Second operand 8 states. [2021-01-07 04:16:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:51,878 INFO L93 Difference]: Finished difference Result 1989 states and 2411 transitions. [2021-01-07 04:16:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:16:51,879 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 377 [2021-01-07 04:16:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:51,884 INFO L225 Difference]: With dead ends: 1989 [2021-01-07 04:16:51,884 INFO L226 Difference]: Without dead ends: 1029 [2021-01-07 04:16:51,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:16:51,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-01-07 04:16:51,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2021-01-07 04:16:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2021-01-07 04:16:51,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1236 transitions. [2021-01-07 04:16:51,921 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1236 transitions. Word has length 377 [2021-01-07 04:16:51,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:51,922 INFO L481 AbstractCegarLoop]: Abstraction has 1029 states and 1236 transitions. [2021-01-07 04:16:51,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 04:16:51,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1236 transitions. [2021-01-07 04:16:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-01-07 04:16:51,925 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:51,926 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:52,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:52,141 INFO L429 AbstractCegarLoop]: === Iteration 20 === [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 04:16:52,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:52,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1700907916, now seen corresponding path program 2 times [2021-01-07 04:16:52,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:52,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307268375] [2021-01-07 04:16:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:52,173 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:52,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144584370] [2021-01-07 04:16:52,173 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:52,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:52,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:52,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 04:16:52,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 73 proven. 21 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-01-07 04:16:53,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307268375] [2021-01-07 04:16:53,413 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:53,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144584370] [2021-01-07 04:16:53,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:53,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-01-07 04:16:53,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862378663] [2021-01-07 04:16:53,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 04:16:53,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:53,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 04:16:53,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:16:53,415 INFO L87 Difference]: Start difference. First operand 1029 states and 1236 transitions. Second operand 9 states. [2021-01-07 04:16:53,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:53,558 INFO L93 Difference]: Finished difference Result 2016 states and 2438 transitions. [2021-01-07 04:16:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-07 04:16:53,559 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 381 [2021-01-07 04:16:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:53,564 INFO L225 Difference]: With dead ends: 2016 [2021-01-07 04:16:53,564 INFO L226 Difference]: Without dead ends: 1043 [2021-01-07 04:16:53,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:16:53,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-01-07 04:16:53,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2021-01-07 04:16:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2021-01-07 04:16:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1250 transitions. [2021-01-07 04:16:53,604 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1250 transitions. Word has length 381 [2021-01-07 04:16:53,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:53,605 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1250 transitions. [2021-01-07 04:16:53,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 04:16:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1250 transitions. [2021-01-07 04:16:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-01-07 04:16:53,609 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:53,609 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:53,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:53,823 INFO L429 AbstractCegarLoop]: === Iteration 21 === [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 04:16:53,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:53,824 INFO L82 PathProgramCache]: Analyzing trace with hash -336611150, now seen corresponding path program 3 times [2021-01-07 04:16:53,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:53,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405742230] [2021-01-07 04:16:53,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:53,855 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:53,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849241439] [2021-01-07 04:16:53,855 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true