/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:15:45,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:15:45,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:15:45,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-01-07 04:15:45,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:15:45,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:15:45,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:15:45,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:15:45,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:15:45,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:15:45,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:15:45,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:15:45,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:15:45,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:15:45,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:15:45,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:15:45,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-07 04:15:45,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:15:45,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:15:45,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:15:45,262 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 04:15:45,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:15:45,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:15:45,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:15:45,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:15:45,310 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:15:45,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:15:45,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:15:45,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:15:45,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 04:15:45,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:15:45,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 04:15:45,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 04:15:45,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:15:45,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 04:15:45,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:15:45,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:15:45,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:15:45,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:15:45,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:15:45,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:15:45,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 04:15:45,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:15:45,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:15:45,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 04:15:45,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:15:45,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:15:45,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:15:45,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:15:45,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:15:45,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:15:45,771 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:15:45,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2021-01-07 04:15:45,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/53e961d18/85708020b8af4946883d7da51d55ae98/FLAG26912c488 [2021-01-07 04:15:46,632 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:15:46,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2021-01-07 04:15:46,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/53e961d18/85708020b8af4946883d7da51d55ae98/FLAG26912c488 [2021-01-07 04:15:46,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/53e961d18/85708020b8af4946883d7da51d55ae98 [2021-01-07 04:15:46,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:15:46,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:15:46,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:15:46,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:15:46,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:15:46,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:15:46" (1/1) ... [2021-01-07 04:15:46,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc15015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:46, skipping insertion in model container [2021-01-07 04:15:46,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:15:46" (1/1) ... [2021-01-07 04:15:46,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:15:46,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-07 04:15:47,436 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem81,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem81,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem91,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem91,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem117,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem117,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem126,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem126,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem136,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem136,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem165,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem165,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem166,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem166,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem167,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem167,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem168,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem168,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem184,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem184,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem185,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem185,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem197,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem197,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem209,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem209,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem219,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem219,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem245,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem245,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem253,],base],StructAccessExpression[IdentifierExpression[#t~mem253,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem254,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem254,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem264,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem264,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] [2021-01-07 04:15:47,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:15:47,697 INFO L203 MainTranslator]: Completed pre-run [2021-01-07 04:15:47,734 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem83,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem83,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem93,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem93,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem120,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem120,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem128,],base],StructAccessExpression[IdentifierExpression[#t~mem128,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem130,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem130,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem140,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem140,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem170,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem170,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem172,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem172,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem173,],base],StructAccessExpression[IdentifierExpression[#t~mem173,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem175,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem175,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem188,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem188,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem189,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem189,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem201,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem201,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem215,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem215,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem225,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem225,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem252,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem252,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem260,],base],StructAccessExpression[IdentifierExpression[#t~mem260,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem262,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem262,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem272,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem272,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] [2021-01-07 04:15:47,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:15:47,995 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:15:47,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47 WrapperNode [2021-01-07 04:15:47,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:15:47,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:15:47,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:15:48,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:15:48,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:15:48,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:15:48,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:15:48,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:15:48,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (1/1) ... [2021-01-07 04:15:48,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:15:48,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:15:48,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:15:48,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:15:48,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (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 04:15:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:15:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:15:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:15:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:15:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:15:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:15:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:15:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:15:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:15:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:15:50,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:15:50,758 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-01-07 04:15:50,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:15:50 BoogieIcfgContainer [2021-01-07 04:15:50,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:15:50,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:15:50,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:15:50,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:15:50,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:15:46" (1/3) ... [2021-01-07 04:15:50,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3825d2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:15:50, skipping insertion in model container [2021-01-07 04:15:50,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:15:47" (2/3) ... [2021-01-07 04:15:50,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3825d2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:15:50, skipping insertion in model container [2021-01-07 04:15:50,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:15:50" (3/3) ... [2021-01-07 04:15:50,769 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-1.i [2021-01-07 04:15:50,775 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:15:50,781 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2021-01-07 04:15:50,800 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-01-07 04:15:50,828 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:15:50,828 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 04:15:50,828 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:15:50,829 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:15:50,829 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:15:50,829 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:15:50,829 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:15:50,829 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:15:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states. [2021-01-07 04:15:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 04:15:50,857 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:50,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:50,858 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:50,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:50,865 INFO L82 PathProgramCache]: Analyzing trace with hash 889550569, now seen corresponding path program 1 times [2021-01-07 04:15:50,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:50,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122699569] [2021-01-07 04:15:50,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:51,060 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 04:15:51,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122699569] [2021-01-07 04:15:51,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:15:51,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:15:51,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816895305] [2021-01-07 04:15:51,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:15:51,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:51,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:15:51,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:15:51,092 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 2 states. [2021-01-07 04:15:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:51,175 INFO L93 Difference]: Finished difference Result 440 states and 724 transitions. [2021-01-07 04:15:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:15:51,177 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-01-07 04:15:51,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:51,196 INFO L225 Difference]: With dead ends: 440 [2021-01-07 04:15:51,197 INFO L226 Difference]: Without dead ends: 217 [2021-01-07 04:15:51,202 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 04:15:51,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-01-07 04:15:51,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2021-01-07 04:15:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2021-01-07 04:15:51,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 282 transitions. [2021-01-07 04:15:51,266 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 282 transitions. Word has length 8 [2021-01-07 04:15:51,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:51,267 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 282 transitions. [2021-01-07 04:15:51,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:15:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 282 transitions. [2021-01-07 04:15:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 04:15:51,268 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:51,268 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:51,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:15:51,268 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:51,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:51,269 INFO L82 PathProgramCache]: Analyzing trace with hash 921152950, now seen corresponding path program 1 times [2021-01-07 04:15:51,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:51,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547108704] [2021-01-07 04:15:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:51,331 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 04:15:51,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547108704] [2021-01-07 04:15:51,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:15:51,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:15:51,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101795948] [2021-01-07 04:15:51,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:15:51,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:51,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:15:51,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:15:51,337 INFO L87 Difference]: Start difference. First operand 217 states and 282 transitions. Second operand 3 states. [2021-01-07 04:15:51,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:51,424 INFO L93 Difference]: Finished difference Result 432 states and 562 transitions. [2021-01-07 04:15:51,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:15:51,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2021-01-07 04:15:51,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:51,429 INFO L225 Difference]: With dead ends: 432 [2021-01-07 04:15:51,429 INFO L226 Difference]: Without dead ends: 387 [2021-01-07 04:15:51,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:15:51,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-01-07 04:15:51,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 218. [2021-01-07 04:15:51,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2021-01-07 04:15:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 283 transitions. [2021-01-07 04:15:51,451 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 283 transitions. Word has length 8 [2021-01-07 04:15:51,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:51,451 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 283 transitions. [2021-01-07 04:15:51,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:15:51,452 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 283 transitions. [2021-01-07 04:15:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-07 04:15:51,457 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:51,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:51,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 04:15:51,457 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:51,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:51,458 INFO L82 PathProgramCache]: Analyzing trace with hash -137963571, now seen corresponding path program 1 times [2021-01-07 04:15:51,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:51,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807767374] [2021-01-07 04:15:51,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:51,490 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:51,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182390935] [2021-01-07 04:15:51,491 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 04:15:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:51,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:15:51,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:15:51,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807767374] [2021-01-07 04:15:51,936 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:51,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182390935] [2021-01-07 04:15:51,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:15:51,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:15:51,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630258623] [2021-01-07 04:15:51,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:15:51,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:51,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:15:51,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:15:51,940 INFO L87 Difference]: Start difference. First operand 218 states and 283 transitions. Second operand 3 states. [2021-01-07 04:15:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:52,057 INFO L93 Difference]: Finished difference Result 454 states and 594 transitions. [2021-01-07 04:15:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:15:52,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-07 04:15:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:52,062 INFO L225 Difference]: With dead ends: 454 [2021-01-07 04:15:52,062 INFO L226 Difference]: Without dead ends: 239 [2021-01-07 04:15:52,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 04:15:52,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-01-07 04:15:52,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 238. [2021-01-07 04:15:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2021-01-07 04:15:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 303 transitions. [2021-01-07 04:15:52,098 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 303 transitions. Word has length 106 [2021-01-07 04:15:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:52,101 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 303 transitions. [2021-01-07 04:15:52,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:15:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 303 transitions. [2021-01-07 04:15:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-07 04:15:52,108 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:52,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:52,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-07 04:15:52,310 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:52,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:52,312 INFO L82 PathProgramCache]: Analyzing trace with hash 62310097, now seen corresponding path program 1 times [2021-01-07 04:15:52,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:52,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622645967] [2021-01-07 04:15:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:52,366 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:52,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1015576247] [2021-01-07 04:15:52,367 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 04:15:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:52,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:15:52,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:15:52,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622645967] [2021-01-07 04:15:52,814 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:52,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015576247] [2021-01-07 04:15:52,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:15:52,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:15:52,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975075925] [2021-01-07 04:15:52,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:15:52,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:52,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:15:52,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:15:52,817 INFO L87 Difference]: Start difference. First operand 238 states and 303 transitions. Second operand 3 states. [2021-01-07 04:15:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:52,913 INFO L93 Difference]: Finished difference Result 494 states and 634 transitions. [2021-01-07 04:15:52,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:15:52,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-07 04:15:52,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:52,916 INFO L225 Difference]: With dead ends: 494 [2021-01-07 04:15:52,916 INFO L226 Difference]: Without dead ends: 259 [2021-01-07 04:15:52,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 04:15:52,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-01-07 04:15:52,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 258. [2021-01-07 04:15:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2021-01-07 04:15:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 323 transitions. [2021-01-07 04:15:52,935 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 323 transitions. Word has length 106 [2021-01-07 04:15:52,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:52,937 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 323 transitions. [2021-01-07 04:15:52,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:15:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 323 transitions. [2021-01-07 04:15:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-07 04:15:52,951 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:52,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:53,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:15:53,169 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:53,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:53,170 INFO L82 PathProgramCache]: Analyzing trace with hash -426500019, now seen corresponding path program 1 times [2021-01-07 04:15:53,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:53,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434502015] [2021-01-07 04:15:53,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:53,239 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:53,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2088616028] [2021-01-07 04:15:53,240 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 04:15:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:53,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:15:53,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:15:53,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434502015] [2021-01-07 04:15:53,684 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:53,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088616028] [2021-01-07 04:15:53,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:15:53,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:15:53,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261876646] [2021-01-07 04:15:53,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:15:53,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:53,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:15:53,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:15:53,686 INFO L87 Difference]: Start difference. First operand 258 states and 323 transitions. Second operand 4 states. [2021-01-07 04:15:53,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:53,782 INFO L93 Difference]: Finished difference Result 505 states and 635 transitions. [2021-01-07 04:15:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:15:53,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2021-01-07 04:15:53,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:53,784 INFO L225 Difference]: With dead ends: 505 [2021-01-07 04:15:53,784 INFO L226 Difference]: Without dead ends: 250 [2021-01-07 04:15:53,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 04:15:53,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-01-07 04:15:53,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 244. [2021-01-07 04:15:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-01-07 04:15:53,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 302 transitions. [2021-01-07 04:15:53,793 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 302 transitions. Word has length 106 [2021-01-07 04:15:53,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:53,793 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 302 transitions. [2021-01-07 04:15:53,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:15:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 302 transitions. [2021-01-07 04:15:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-07 04:15:53,795 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:53,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:54,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:15:54,006 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:54,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:54,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1791075329, now seen corresponding path program 1 times [2021-01-07 04:15:54,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:54,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811089083] [2021-01-07 04:15:54,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:54,043 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:54,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389915841] [2021-01-07 04:15:54,045 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 04:15:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:54,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:15:54,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:15:54,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811089083] [2021-01-07 04:15:54,427 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:54,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389915841] [2021-01-07 04:15:54,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:15:54,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:15:54,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94860341] [2021-01-07 04:15:54,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:15:54,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:54,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:15:54,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:15:54,432 INFO L87 Difference]: Start difference. First operand 244 states and 302 transitions. Second operand 4 states. [2021-01-07 04:15:54,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:54,524 INFO L93 Difference]: Finished difference Result 566 states and 702 transitions. [2021-01-07 04:15:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:15:54,524 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2021-01-07 04:15:54,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:54,527 INFO L225 Difference]: With dead ends: 566 [2021-01-07 04:15:54,527 INFO L226 Difference]: Without dead ends: 325 [2021-01-07 04:15:54,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 04:15:54,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-01-07 04:15:54,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 230. [2021-01-07 04:15:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-01-07 04:15:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 281 transitions. [2021-01-07 04:15:54,537 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 281 transitions. Word has length 106 [2021-01-07 04:15:54,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:54,540 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 281 transitions. [2021-01-07 04:15:54,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:15:54,540 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 281 transitions. [2021-01-07 04:15:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-07 04:15:54,542 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:54,542 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:54,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:15:54,756 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:54,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:54,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1369189005, now seen corresponding path program 1 times [2021-01-07 04:15:54,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:54,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580948990] [2021-01-07 04:15:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:54,776 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:54,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147320305] [2021-01-07 04:15:54,777 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 04:15:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:55,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:15:55,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:15:55,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580948990] [2021-01-07 04:15:55,153 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:55,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147320305] [2021-01-07 04:15:55,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:15:55,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:15:55,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208518324] [2021-01-07 04:15:55,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:15:55,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:55,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:15:55,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:15:55,156 INFO L87 Difference]: Start difference. First operand 230 states and 281 transitions. Second operand 4 states. [2021-01-07 04:15:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:55,192 INFO L93 Difference]: Finished difference Result 638 states and 780 transitions. [2021-01-07 04:15:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:15:55,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2021-01-07 04:15:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:55,198 INFO L225 Difference]: With dead ends: 638 [2021-01-07 04:15:55,198 INFO L226 Difference]: Without dead ends: 593 [2021-01-07 04:15:55,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:15:55,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-01-07 04:15:55,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 412. [2021-01-07 04:15:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2021-01-07 04:15:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 503 transitions. [2021-01-07 04:15:55,221 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 503 transitions. Word has length 106 [2021-01-07 04:15:55,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:55,222 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 503 transitions. [2021-01-07 04:15:55,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:15:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 503 transitions. [2021-01-07 04:15:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-01-07 04:15:55,226 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:55,226 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:55,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-01-07 04:15:55,440 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:55,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:55,441 INFO L82 PathProgramCache]: Analyzing trace with hash 548829604, now seen corresponding path program 2 times [2021-01-07 04:15:55,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:55,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618529304] [2021-01-07 04:15:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:55,472 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:55,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264817916] [2021-01-07 04:15:55,473 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 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 04:15:55,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-01-07 04:15:55,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:15:55,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 04:15:55,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-01-07 04:15:56,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618529304] [2021-01-07 04:15:56,074 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:56,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264817916] [2021-01-07 04:15:56,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:15:56,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:15:56,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830006300] [2021-01-07 04:15:56,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:15:56,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:56,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:15:56,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:15:56,076 INFO L87 Difference]: Start difference. First operand 412 states and 503 transitions. Second operand 4 states. [2021-01-07 04:15:56,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:56,434 INFO L93 Difference]: Finished difference Result 677 states and 831 transitions. [2021-01-07 04:15:56,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:15:56,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 204 [2021-01-07 04:15:56,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:56,437 INFO L225 Difference]: With dead ends: 677 [2021-01-07 04:15:56,437 INFO L226 Difference]: Without dead ends: 410 [2021-01-07 04:15:56,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 201 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 04:15:56,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-01-07 04:15:56,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2021-01-07 04:15:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2021-01-07 04:15:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 500 transitions. [2021-01-07 04:15:56,452 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 500 transitions. Word has length 204 [2021-01-07 04:15:56,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:56,453 INFO L481 AbstractCegarLoop]: Abstraction has 410 states and 500 transitions. [2021-01-07 04:15:56,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:15:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 500 transitions. [2021-01-07 04:15:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-01-07 04:15:56,456 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:56,456 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:56,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:15:56,670 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:56,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:56,671 INFO L82 PathProgramCache]: Analyzing trace with hash -7696284, now seen corresponding path program 1 times [2021-01-07 04:15:56,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:56,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241565682] [2021-01-07 04:15:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:56,715 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:56,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1488252947] [2021-01-07 04:15:56,716 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 04:15:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:57,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:15:57,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-01-07 04:15:57,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241565682] [2021-01-07 04:15:57,306 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:57,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488252947] [2021-01-07 04:15:57,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:15:57,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:15:57,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573315858] [2021-01-07 04:15:57,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:15:57,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:57,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:15:57,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:15:57,309 INFO L87 Difference]: Start difference. First operand 410 states and 500 transitions. Second operand 3 states. [2021-01-07 04:15:57,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:57,367 INFO L93 Difference]: Finished difference Result 776 states and 957 transitions. [2021-01-07 04:15:57,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:15:57,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2021-01-07 04:15:57,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:57,370 INFO L225 Difference]: With dead ends: 776 [2021-01-07 04:15:57,370 INFO L226 Difference]: Without dead ends: 418 [2021-01-07 04:15:57,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 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 04:15:57,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-01-07 04:15:57,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2021-01-07 04:15:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2021-01-07 04:15:57,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 508 transitions. [2021-01-07 04:15:57,385 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 508 transitions. Word has length 211 [2021-01-07 04:15:57,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:57,386 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 508 transitions. [2021-01-07 04:15:57,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:15:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 508 transitions. [2021-01-07 04:15:57,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-01-07 04:15:57,389 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:57,389 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:15:57,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:15:57,603 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:57,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:57,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1887603621, now seen corresponding path program 1 times [2021-01-07 04:15:57,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:57,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564750300] [2021-01-07 04:15:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:57,631 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:57,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1135429488] [2021-01-07 04:15:57,631 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 04:15:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:15:58,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:15:58,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:58,237 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-07 04:15:58,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564750300] [2021-01-07 04:15:58,238 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:58,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135429488] [2021-01-07 04:15:58,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:15:58,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:15:58,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142343720] [2021-01-07 04:15:58,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:15:58,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:58,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:15:58,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:15:58,240 INFO L87 Difference]: Start difference. First operand 418 states and 508 transitions. Second operand 4 states. [2021-01-07 04:15:58,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:58,307 INFO L93 Difference]: Finished difference Result 791 states and 972 transitions. [2021-01-07 04:15:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:15:58,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 213 [2021-01-07 04:15:58,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:58,310 INFO L225 Difference]: With dead ends: 791 [2021-01-07 04:15:58,310 INFO L226 Difference]: Without dead ends: 426 [2021-01-07 04:15:58,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:15:58,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-01-07 04:15:58,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2021-01-07 04:15:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2021-01-07 04:15:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 516 transitions. [2021-01-07 04:15:58,326 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 516 transitions. Word has length 213 [2021-01-07 04:15:58,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:58,326 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 516 transitions. [2021-01-07 04:15:58,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:15:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 516 transitions. [2021-01-07 04:15:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-01-07 04:15:58,329 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:58,329 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:58,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-07 04:15:58,544 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:58,545 INFO L82 PathProgramCache]: Analyzing trace with hash -546185468, now seen corresponding path program 2 times [2021-01-07 04:15:58,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:58,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681962549] [2021-01-07 04:15:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:58,569 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:58,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1368570947] [2021-01-07 04:15:58,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:15:58,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:15:58,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:15:58,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:15:58,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:15:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-01-07 04:15:59,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681962549] [2021-01-07 04:15:59,170 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:15:59,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368570947] [2021-01-07 04:15:59,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:15:59,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:15:59,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402937988] [2021-01-07 04:15:59,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:15:59,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:15:59,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:15:59,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:15:59,173 INFO L87 Difference]: Start difference. First operand 426 states and 516 transitions. Second operand 5 states. [2021-01-07 04:15:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:15:59,244 INFO L93 Difference]: Finished difference Result 806 states and 987 transitions. [2021-01-07 04:15:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:15:59,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2021-01-07 04:15:59,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:15:59,247 INFO L225 Difference]: With dead ends: 806 [2021-01-07 04:15:59,247 INFO L226 Difference]: Without dead ends: 434 [2021-01-07 04:15:59,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 211 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 04:15:59,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-01-07 04:15:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2021-01-07 04:15:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2021-01-07 04:15:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 524 transitions. [2021-01-07 04:15:59,263 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 524 transitions. Word has length 215 [2021-01-07 04:15:59,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:15:59,263 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 524 transitions. [2021-01-07 04:15:59,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:15:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 524 transitions. [2021-01-07 04:15:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-01-07 04:15:59,266 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:15:59,266 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:15:59,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:15:59,480 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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:15:59,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:15:59,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1962229253, now seen corresponding path program 3 times [2021-01-07 04:15:59,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:15:59,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399339582] [2021-01-07 04:15:59,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:15:59,518 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:15:59,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515582092] [2021-01-07 04:15:59,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:15:59,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:15:59,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:15:59,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:15:59,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:00,125 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-01-07 04:16:00,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399339582] [2021-01-07 04:16:00,125 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:00,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515582092] [2021-01-07 04:16:00,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:00,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:00,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328298288] [2021-01-07 04:16:00,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:00,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:00,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:00,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:00,128 INFO L87 Difference]: Start difference. First operand 434 states and 524 transitions. Second operand 3 states. [2021-01-07 04:16:00,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:00,200 INFO L93 Difference]: Finished difference Result 804 states and 976 transitions. [2021-01-07 04:16:00,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:00,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2021-01-07 04:16:00,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:00,204 INFO L225 Difference]: With dead ends: 804 [2021-01-07 04:16:00,204 INFO L226 Difference]: Without dead ends: 432 [2021-01-07 04:16:00,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2021-01-07 04:16:00,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2021-01-07 04:16:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2021-01-07 04:16:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 521 transitions. [2021-01-07 04:16:00,220 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 521 transitions. Word has length 217 [2021-01-07 04:16:00,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:00,221 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 521 transitions. [2021-01-07 04:16:00,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 521 transitions. [2021-01-07 04:16:00,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-01-07 04:16:00,224 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:00,225 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:00,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:00,439 INFO L429 AbstractCegarLoop]: === Iteration 13 === [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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:00,440 INFO L82 PathProgramCache]: Analyzing trace with hash -511436746, now seen corresponding path program 1 times [2021-01-07 04:16:00,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:00,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233177742] [2021-01-07 04:16:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:00,459 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:00,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138630666] [2021-01-07 04:16:00,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:00,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 04:16:00,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-01-07 04:16:01,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233177742] [2021-01-07 04:16:01,179 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:01,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138630666] [2021-01-07 04:16:01,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:01,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-01-07 04:16:01,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453359701] [2021-01-07 04:16:01,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:16:01,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:01,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:16:01,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:16:01,181 INFO L87 Difference]: Start difference. First operand 432 states and 521 transitions. Second operand 6 states. [2021-01-07 04:16:01,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:01,281 INFO L93 Difference]: Finished difference Result 819 states and 999 transitions. [2021-01-07 04:16:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:16:01,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2021-01-07 04:16:01,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:01,284 INFO L225 Difference]: With dead ends: 819 [2021-01-07 04:16:01,284 INFO L226 Difference]: Without dead ends: 440 [2021-01-07 04:16:01,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:16:01,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-01-07 04:16:01,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2021-01-07 04:16:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2021-01-07 04:16:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 529 transitions. [2021-01-07 04:16:01,300 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 529 transitions. Word has length 230 [2021-01-07 04:16:01,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:01,300 INFO L481 AbstractCegarLoop]: Abstraction has 440 states and 529 transitions. [2021-01-07 04:16:01,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:16:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 529 transitions. [2021-01-07 04:16:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-01-07 04:16:01,302 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:01,302 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:01,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-07 04:16:01,517 INFO L429 AbstractCegarLoop]: === Iteration 14 === [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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:01,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:01,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1844438796, now seen corresponding path program 2 times [2021-01-07 04:16:01,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:01,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657621427] [2021-01-07 04:16:01,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:01,537 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:01,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [691241188] [2021-01-07 04:16:01,537 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:01,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:01,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:02,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-07 04:16:02,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-01-07 04:16:02,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657621427] [2021-01-07 04:16:02,255 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:02,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691241188] [2021-01-07 04:16:02,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:02,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-01-07 04:16:02,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158641684] [2021-01-07 04:16:02,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:16:02,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:02,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:16:02,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:16:02,257 INFO L87 Difference]: Start difference. First operand 440 states and 529 transitions. Second operand 7 states. [2021-01-07 04:16:02,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:02,356 INFO L93 Difference]: Finished difference Result 834 states and 1014 transitions. [2021-01-07 04:16:02,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 04:16:02,356 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2021-01-07 04:16:02,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:02,358 INFO L225 Difference]: With dead ends: 834 [2021-01-07 04:16:02,359 INFO L226 Difference]: Without dead ends: 448 [2021-01-07 04:16:02,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:16:02,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-01-07 04:16:02,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2021-01-07 04:16:02,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2021-01-07 04:16:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 537 transitions. [2021-01-07 04:16:02,376 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 537 transitions. Word has length 234 [2021-01-07 04:16:02,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:02,376 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 537 transitions. [2021-01-07 04:16:02,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:16:02,376 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 537 transitions. [2021-01-07 04:16:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-01-07 04:16:02,378 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:02,378 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:02,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-07 04:16:02,593 INFO L429 AbstractCegarLoop]: === Iteration 15 === [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.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:02,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:02,594 INFO L82 PathProgramCache]: Analyzing trace with hash 951531638, now seen corresponding path program 3 times [2021-01-07 04:16:02,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:02,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749639109] [2021-01-07 04:16:02,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:02,615 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:02,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141933511] [2021-01-07 04:16:02,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true