/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_OAT_test6-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:34:13,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:34:13,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:34:13,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-01-07 04:34:13,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:34:13,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:34:13,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:34:13,849 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 04:34:13,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:34:13,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:34:13,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:34:13,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:34:13,890 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:34:13,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:34:13,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:34:13,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:34:13,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 04:34:13,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:34:13,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 04:34:13,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 04:34:13,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:34:13,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 04:34:13,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:34:13,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:34:13,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:34:13,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:34:13,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:34:13,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:34:13,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 04:34:13,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:34:13,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:34:13,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 04:34:13,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:34:13,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:34:14,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:34:14,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:34:14,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:34:14,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:34:14,318 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:34:14,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2021-01-07 04:34:14,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/beebe9c0d/b3f77d0a13574756b92e75e48bac8ac9/FLAGd11625b11 [2021-01-07 04:34:15,279 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:34:15,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2021-01-07 04:34:15,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/beebe9c0d/b3f77d0a13574756b92e75e48bac8ac9/FLAGd11625b11 [2021-01-07 04:34:15,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/beebe9c0d/b3f77d0a13574756b92e75e48bac8ac9 [2021-01-07 04:34:15,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:34:15,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:34:15,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:34:15,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:34:15,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:34:15,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:34:15" (1/1) ... [2021-01-07 04:34:15,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18929d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:15, skipping insertion in model container [2021-01-07 04:34:15,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:34:15" (1/1) ... [2021-01-07 04:34:15,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:34:15,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-07 04:34:16,337 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_OAT_test6-1.i[44118,44131] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~alt_malloc_sizes~0,GLOBAL],[IdentifierExpression[#t~post33,]]] [2021-01-07 04:34:16,368 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_OAT_test6-1.i[44660,44673] 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~mem70,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem70,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem71,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem71,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem72,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem72,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem73,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem73,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem74,],base],StructAccessExpression[IdentifierExpression[#t~mem74,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem76,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem76,],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~mem88,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem88,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem89,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem89,],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~mem101,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem101,],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~mem112,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem112,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem122,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem122,],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~mem148,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem148,],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~mem158,],base],StructAccessExpression[IdentifierExpression[#t~mem158,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem159,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem159,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem224,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem224,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem229,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem229,],offset],IdentifierExpression[#t~mem231,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem235,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem235,],offset],IdentifierExpression[#t~mem237,]]]]] 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~mem249,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem249,],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]]]] [2021-01-07 04:34:16,535 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_OAT_test6-1.i[56247,56260] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] [2021-01-07 04:34:16,536 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_OAT_test6-1.i[56368,56381] [2021-01-07 04:34:16,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:34:16,566 INFO L203 MainTranslator]: Completed pre-run [2021-01-07 04:34:16,642 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_OAT_test6-1.i[44118,44131] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#alt_malloc_sizes~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#alt_malloc_sizes~0,GLOBAL],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[#t~post33,]]]]] [2021-01-07 04:34:16,646 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_OAT_test6-1.i[44660,44673] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem76,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem76,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem77,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem77,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem78,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem78,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem79,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem79,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem80,],base],StructAccessExpression[IdentifierExpression[#t~mem80,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem82,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem82,],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~mem94,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem94,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem95,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem95,],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~mem107,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem107,],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~mem120,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem120,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem130,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem130,],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~mem157,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem157,],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~mem167,],base],StructAccessExpression[IdentifierExpression[#t~mem167,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem179,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem179,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem236,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem236,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem241,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem241,],offset],IdentifierExpression[#t~mem243,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem247,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem247,],offset],IdentifierExpression[#t~mem249,]]]]] 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~mem261,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem261,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem264,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem264,],offset]]]] [2021-01-07 04:34:16,843 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_OAT_test6-1.i[56247,56260] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] [2021-01-07 04:34:16,844 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_OAT_test6-1.i[56368,56381] [2021-01-07 04:34:16,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:34:17,068 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:34:17,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17 WrapperNode [2021-01-07 04:34:17,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:34:17,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:34:17,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:34:17,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:34:17,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:34:17,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:34:17,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:34:17,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:34:17,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (1/1) ... [2021-01-07 04:34:17,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:34:17,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:34:17,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:34:17,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:34:17,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (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 04:34:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:34:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-01-07 04:34:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:34:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:34:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:34:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:34:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:34:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:34:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:34:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:34:17,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:34:19,795 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:34:19,796 INFO L299 CfgBuilder]: Removed 111 assume(true) statements. [2021-01-07 04:34:19,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:34:19 BoogieIcfgContainer [2021-01-07 04:34:19,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:34:19,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:34:19,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:34:19,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:34:19,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:34:15" (1/3) ... [2021-01-07 04:34:19,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeb280a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:34:19, skipping insertion in model container [2021-01-07 04:34:19,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:34:17" (2/3) ... [2021-01-07 04:34:19,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeb280a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:34:19, skipping insertion in model container [2021-01-07 04:34:19,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:34:19" (3/3) ... [2021-01-07 04:34:19,809 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-1.i [2021-01-07 04:34:19,817 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:34:19,824 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2021-01-07 04:34:19,845 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-01-07 04:34:19,879 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:34:19,879 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 04:34:19,880 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:34:19,880 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:34:19,880 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:34:19,880 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:34:19,880 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:34:19,881 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:34:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2021-01-07 04:34:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 04:34:19,911 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:19,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:34:19,913 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:19,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:19,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1030621672, now seen corresponding path program 1 times [2021-01-07 04:34:19,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:19,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101913788] [2021-01-07 04:34:19,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:20,134 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 04:34:20,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101913788] [2021-01-07 04:34:20,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:20,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:34:20,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215278354] [2021-01-07 04:34:20,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:34:20,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:20,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:34:20,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:34:20,162 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 2 states. [2021-01-07 04:34:20,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:20,228 INFO L93 Difference]: Finished difference Result 466 states and 739 transitions. [2021-01-07 04:34:20,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:34:20,233 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-01-07 04:34:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:20,258 INFO L225 Difference]: With dead ends: 466 [2021-01-07 04:34:20,258 INFO L226 Difference]: Without dead ends: 227 [2021-01-07 04:34:20,266 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 04:34:20,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-01-07 04:34:20,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-01-07 04:34:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2021-01-07 04:34:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 285 transitions. [2021-01-07 04:34:20,356 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 285 transitions. Word has length 8 [2021-01-07 04:34:20,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:20,356 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 285 transitions. [2021-01-07 04:34:20,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:34:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 285 transitions. [2021-01-07 04:34:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-01-07 04:34:20,357 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:20,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:34:20,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:34:20,358 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:20,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1260005844, now seen corresponding path program 1 times [2021-01-07 04:34:20,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:20,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953369679] [2021-01-07 04:34:20,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:20,533 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 04:34:20,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953369679] [2021-01-07 04:34:20,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:20,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:34:20,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51549768] [2021-01-07 04:34:20,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:34:20,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:20,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:34:20,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:34:20,537 INFO L87 Difference]: Start difference. First operand 227 states and 285 transitions. Second operand 4 states. [2021-01-07 04:34:21,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:21,166 INFO L93 Difference]: Finished difference Result 479 states and 601 transitions. [2021-01-07 04:34:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:34:21,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2021-01-07 04:34:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:21,170 INFO L225 Difference]: With dead ends: 479 [2021-01-07 04:34:21,170 INFO L226 Difference]: Without dead ends: 369 [2021-01-07 04:34:21,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:34:21,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-01-07 04:34:21,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 229. [2021-01-07 04:34:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2021-01-07 04:34:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 287 transitions. [2021-01-07 04:34:21,190 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 287 transitions. Word has length 10 [2021-01-07 04:34:21,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:21,191 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 287 transitions. [2021-01-07 04:34:21,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:34:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 287 transitions. [2021-01-07 04:34:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-07 04:34:21,193 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:21,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:34:21,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 04:34:21,194 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:21,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:21,194 INFO L82 PathProgramCache]: Analyzing trace with hash -602340381, now seen corresponding path program 1 times [2021-01-07 04:34:21,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:21,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028339211] [2021-01-07 04:34:21,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:21,261 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:21,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [383120574] [2021-01-07 04:34:21,262 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 04:34:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:21,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:34:21,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:21,618 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 04:34:21,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028339211] [2021-01-07 04:34:21,619 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:21,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383120574] [2021-01-07 04:34:21,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:21,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:34:21,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513606408] [2021-01-07 04:34:21,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:34:21,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:21,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:34:21,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:34:21,623 INFO L87 Difference]: Start difference. First operand 229 states and 287 transitions. Second operand 3 states. [2021-01-07 04:34:21,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:21,748 INFO L93 Difference]: Finished difference Result 475 states and 601 transitions. [2021-01-07 04:34:21,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:34:21,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-07 04:34:21,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:21,751 INFO L225 Difference]: With dead ends: 475 [2021-01-07 04:34:21,751 INFO L226 Difference]: Without dead ends: 250 [2021-01-07 04:34:21,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:34:21,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-01-07 04:34:21,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 249. [2021-01-07 04:34:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2021-01-07 04:34:21,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 307 transitions. [2021-01-07 04:34:21,765 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 307 transitions. Word has length 44 [2021-01-07 04:34:21,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:21,766 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 307 transitions. [2021-01-07 04:34:21,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:34:21,766 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 307 transitions. [2021-01-07 04:34:21,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-07 04:34:21,767 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:21,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:34:21,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-07 04:34:21,984 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:21,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:21,986 INFO L82 PathProgramCache]: Analyzing trace with hash -821195099, now seen corresponding path program 1 times [2021-01-07 04:34:21,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:21,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853755781] [2021-01-07 04:34:21,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:22,028 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:22,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544904859] [2021-01-07 04:34:22,033 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 04:34:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:22,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:34:22,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:22,494 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 04:34:22,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853755781] [2021-01-07 04:34:22,495 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:22,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544904859] [2021-01-07 04:34:22,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:22,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:34:22,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807353839] [2021-01-07 04:34:22,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:34:22,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:22,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:34:22,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:34:22,502 INFO L87 Difference]: Start difference. First operand 249 states and 307 transitions. Second operand 4 states. [2021-01-07 04:34:22,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:22,641 INFO L93 Difference]: Finished difference Result 487 states and 603 transitions. [2021-01-07 04:34:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:34:22,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2021-01-07 04:34:22,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:22,644 INFO L225 Difference]: With dead ends: 487 [2021-01-07 04:34:22,644 INFO L226 Difference]: Without dead ends: 242 [2021-01-07 04:34:22,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 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 04:34:22,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-01-07 04:34:22,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 235. [2021-01-07 04:34:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2021-01-07 04:34:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 286 transitions. [2021-01-07 04:34:22,657 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 286 transitions. Word has length 44 [2021-01-07 04:34:22,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:22,657 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 286 transitions. [2021-01-07 04:34:22,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:34:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 286 transitions. [2021-01-07 04:34:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-07 04:34:22,661 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:22,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:34:22,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:34:22,876 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:22,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:22,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1704043945, now seen corresponding path program 1 times [2021-01-07 04:34:22,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:22,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286668577] [2021-01-07 04:34:22,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:22,934 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:22,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726999773] [2021-01-07 04:34:22,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 04:34:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:23,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 19 conjunts are in the unsatisfiable core [2021-01-07 04:34:23,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:23,302 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 04:34:23,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286668577] [2021-01-07 04:34:23,303 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:23,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726999773] [2021-01-07 04:34:23,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:23,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-07 04:34:23,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125842213] [2021-01-07 04:34:23,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:34:23,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:23,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:34:23,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:34:23,306 INFO L87 Difference]: Start difference. First operand 235 states and 286 transitions. Second operand 6 states. [2021-01-07 04:34:24,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:24,125 INFO L93 Difference]: Finished difference Result 447 states and 550 transitions. [2021-01-07 04:34:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:34:24,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2021-01-07 04:34:24,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:24,129 INFO L225 Difference]: With dead ends: 447 [2021-01-07 04:34:24,129 INFO L226 Difference]: Without dead ends: 445 [2021-01-07 04:34:24,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-07 04:34:24,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-01-07 04:34:24,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 233. [2021-01-07 04:34:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2021-01-07 04:34:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 284 transitions. [2021-01-07 04:34:24,143 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 284 transitions. Word has length 44 [2021-01-07 04:34:24,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:24,144 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 284 transitions. [2021-01-07 04:34:24,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:34:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 284 transitions. [2021-01-07 04:34:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-07 04:34:24,146 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:24,146 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] [2021-01-07 04:34:24,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:34:24,361 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:24,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:24,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1088553020, now seen corresponding path program 1 times [2021-01-07 04:34:24,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:24,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039142422] [2021-01-07 04:34:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:24,392 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:24,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746682297] [2021-01-07 04:34:24,392 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 04:34:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:24,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:34:24,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:24,715 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 04:34:24,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039142422] [2021-01-07 04:34:24,717 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:24,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746682297] [2021-01-07 04:34:24,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:24,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:34:24,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369454162] [2021-01-07 04:34:24,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:34:24,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:24,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:34:24,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:34:24,727 INFO L87 Difference]: Start difference. First operand 233 states and 284 transitions. Second operand 5 states. [2021-01-07 04:34:24,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:24,892 INFO L93 Difference]: Finished difference Result 940 states and 1155 transitions. [2021-01-07 04:34:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:34:24,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-07 04:34:24,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:24,897 INFO L225 Difference]: With dead ends: 940 [2021-01-07 04:34:24,898 INFO L226 Difference]: Without dead ends: 711 [2021-01-07 04:34:24,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 04:34:24,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2021-01-07 04:34:24,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 325. [2021-01-07 04:34:24,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2021-01-07 04:34:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 395 transitions. [2021-01-07 04:34:24,944 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 395 transitions. Word has length 51 [2021-01-07 04:34:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:24,944 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 395 transitions. [2021-01-07 04:34:24,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:34:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 395 transitions. [2021-01-07 04:34:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-07 04:34:24,946 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:24,946 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] [2021-01-07 04:34:25,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:34:25,160 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:25,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:25,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1193587178, now seen corresponding path program 1 times [2021-01-07 04:34:25,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:25,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388188264] [2021-01-07 04:34:25,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:25,183 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:25,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1411608942] [2021-01-07 04:34:25,183 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 04:34:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:25,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:34:25,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:25,524 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 04:34:25,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388188264] [2021-01-07 04:34:25,524 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:25,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411608942] [2021-01-07 04:34:25,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:25,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:34:25,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957904085] [2021-01-07 04:34:25,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:34:25,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:25,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:34:25,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:34:25,527 INFO L87 Difference]: Start difference. First operand 325 states and 395 transitions. Second operand 3 states. [2021-01-07 04:34:25,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:25,682 INFO L93 Difference]: Finished difference Result 686 states and 832 transitions. [2021-01-07 04:34:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:34:25,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-07 04:34:25,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:25,685 INFO L225 Difference]: With dead ends: 686 [2021-01-07 04:34:25,685 INFO L226 Difference]: Without dead ends: 365 [2021-01-07 04:34:25,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 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 04:34:25,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-01-07 04:34:25,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 336. [2021-01-07 04:34:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2021-01-07 04:34:25,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 412 transitions. [2021-01-07 04:34:25,723 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 412 transitions. Word has length 54 [2021-01-07 04:34:25,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:25,726 INFO L481 AbstractCegarLoop]: Abstraction has 336 states and 412 transitions. [2021-01-07 04:34:25,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:34:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 412 transitions. [2021-01-07 04:34:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-07 04:34:25,730 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:25,731 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:34:25,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-01-07 04:34:25,946 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:25,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:25,947 INFO L82 PathProgramCache]: Analyzing trace with hash 901612414, now seen corresponding path program 1 times [2021-01-07 04:34:25,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:25,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884191023] [2021-01-07 04:34:25,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:25,969 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:25,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1858855080] [2021-01-07 04:34:25,970 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 04:34:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:26,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:34:26,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:26,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:34:26,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884191023] [2021-01-07 04:34:26,292 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:26,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858855080] [2021-01-07 04:34:26,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:26,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:34:26,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420903378] [2021-01-07 04:34:26,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:34:26,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:26,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:34:26,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:34:26,295 INFO L87 Difference]: Start difference. First operand 336 states and 412 transitions. Second operand 4 states. [2021-01-07 04:34:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:26,495 INFO L93 Difference]: Finished difference Result 626 states and 773 transitions. [2021-01-07 04:34:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:34:26,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2021-01-07 04:34:26,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:26,503 INFO L225 Difference]: With dead ends: 626 [2021-01-07 04:34:26,503 INFO L226 Difference]: Without dead ends: 342 [2021-01-07 04:34:26,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:34:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-01-07 04:34:26,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 336. [2021-01-07 04:34:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2021-01-07 04:34:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 411 transitions. [2021-01-07 04:34:26,521 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 411 transitions. Word has length 78 [2021-01-07 04:34:26,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:26,522 INFO L481 AbstractCegarLoop]: Abstraction has 336 states and 411 transitions. [2021-01-07 04:34:26,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:34:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 411 transitions. [2021-01-07 04:34:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-07 04:34:26,527 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:26,527 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:34:26,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:34:26,742 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:26,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:26,742 INFO L82 PathProgramCache]: Analyzing trace with hash -611683268, now seen corresponding path program 1 times [2021-01-07 04:34:26,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:26,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862664135] [2021-01-07 04:34:26,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:26,789 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:26,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192946690] [2021-01-07 04:34:26,789 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 04:34:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:27,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:34:27,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:27,183 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-07 04:34:27,184 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:34:27,187 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:34:27,188 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:34:27,189 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2021-01-07 04:34:27,208 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-01-07 04:34:27,209 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-07 04:34:27,211 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-07 04:34:27,212 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-07 04:34:27,213 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2021-01-07 04:34:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 04:34:27,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862664135] [2021-01-07 04:34:27,227 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:27,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192946690] [2021-01-07 04:34:27,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:27,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:34:27,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122473979] [2021-01-07 04:34:27,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:34:27,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:27,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:34:27,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:34:27,229 INFO L87 Difference]: Start difference. First operand 336 states and 411 transitions. Second operand 4 states. [2021-01-07 04:34:27,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:27,697 INFO L93 Difference]: Finished difference Result 447 states and 551 transitions. [2021-01-07 04:34:27,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:34:27,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2021-01-07 04:34:27,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:27,701 INFO L225 Difference]: With dead ends: 447 [2021-01-07 04:34:27,701 INFO L226 Difference]: Without dead ends: 431 [2021-01-07 04:34:27,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 04:34:27,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2021-01-07 04:34:27,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 338. [2021-01-07 04:34:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2021-01-07 04:34:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 413 transitions. [2021-01-07 04:34:27,719 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 413 transitions. Word has length 79 [2021-01-07 04:34:27,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:27,720 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 413 transitions. [2021-01-07 04:34:27,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:34:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 413 transitions. [2021-01-07 04:34:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-07 04:34:27,721 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:27,721 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] [2021-01-07 04:34:27,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:34:27,937 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:27,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:27,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1201768388, now seen corresponding path program 1 times [2021-01-07 04:34:27,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:27,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788757013] [2021-01-07 04:34:27,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:27,970 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:27,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883916372] [2021-01-07 04:34:27,970 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 04:34:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:28,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 16 conjunts are in the unsatisfiable core [2021-01-07 04:34:28,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:28,432 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 04:34:28,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788757013] [2021-01-07 04:34:28,432 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:28,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883916372] [2021-01-07 04:34:28,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:34:28,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 04:34:28,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275141100] [2021-01-07 04:34:28,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:34:28,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:28,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:34:28,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:34:28,435 INFO L87 Difference]: Start difference. First operand 338 states and 413 transitions. Second operand 5 states. [2021-01-07 04:34:28,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:28,554 INFO L93 Difference]: Finished difference Result 626 states and 773 transitions. [2021-01-07 04:34:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 04:34:28,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-07 04:34:28,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:28,556 INFO L225 Difference]: With dead ends: 626 [2021-01-07 04:34:28,557 INFO L226 Difference]: Without dead ends: 340 [2021-01-07 04:34:28,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:34:28,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-01-07 04:34:28,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2021-01-07 04:34:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2021-01-07 04:34:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 415 transitions. [2021-01-07 04:34:28,576 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 415 transitions. Word has length 81 [2021-01-07 04:34:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:28,577 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 415 transitions. [2021-01-07 04:34:28,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:34:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 415 transitions. [2021-01-07 04:34:28,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-07 04:34:28,578 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:28,578 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] [2021-01-07 04:34:28,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-07 04:34:28,793 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:28,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:28,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1914773501, now seen corresponding path program 1 times [2021-01-07 04:34:28,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:28,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528357823] [2021-01-07 04:34:28,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:28,831 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:28,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764056338] [2021-01-07 04:34:28,831 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 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 04:34:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:34:29,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 17 conjunts are in the unsatisfiable core [2021-01-07 04:34:29,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:34:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:34:29,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528357823] [2021-01-07 04:34:29,273 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:34:29,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764056338] [2021-01-07 04:34:29,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:34:29,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-01-07 04:34:29,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004983233] [2021-01-07 04:34:29,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:34:29,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:34:29,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:34:29,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:34:29,278 INFO L87 Difference]: Start difference. First operand 340 states and 415 transitions. Second operand 6 states. [2021-01-07 04:34:29,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:34:29,523 INFO L93 Difference]: Finished difference Result 630 states and 777 transitions. [2021-01-07 04:34:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-07 04:34:29,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-07 04:34:29,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:34:29,526 INFO L225 Difference]: With dead ends: 630 [2021-01-07 04:34:29,526 INFO L226 Difference]: Without dead ends: 342 [2021-01-07 04:34:29,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-01-07 04:34:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-01-07 04:34:29,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2021-01-07 04:34:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2021-01-07 04:34:29,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 417 transitions. [2021-01-07 04:34:29,549 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 417 transitions. Word has length 83 [2021-01-07 04:34:29,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:34:29,550 INFO L481 AbstractCegarLoop]: Abstraction has 342 states and 417 transitions. [2021-01-07 04:34:29,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:34:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 417 transitions. [2021-01-07 04:34:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-07 04:34:29,551 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:34:29,552 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:34:29,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:34:29,768 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:34:29,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:34:29,769 INFO L82 PathProgramCache]: Analyzing trace with hash 931638948, now seen corresponding path program 2 times [2021-01-07 04:34:29,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:34:29,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590223926] [2021-01-07 04:34:29,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:34:29,799 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:34:29,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511134606] [2021-01-07 04:34:29,799 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 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