/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:30:56,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:30:56,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:30:56,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-01-07 04:30:56,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:30:56,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:30:56,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:30:56,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:30:56,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:30:56,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:30:56,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:30:56,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:30:56,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:30:56,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:30:56,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:30:56,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:30:56,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-07 04:30:56,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:30:56,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:30:56,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:30:56,386 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 04:30:56,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:30:56,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:30:56,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:30:56,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:30:56,448 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:30:56,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:30:56,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:30:56,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:30:56,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 04:30:56,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:30:56,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 04:30:56,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 04:30:56,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:30:56,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 04:30:56,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:30:56,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:30:56,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:30:56,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:30:56,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:30:56,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:30:56,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 04:30:56,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:30:56,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:30:56,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 04:30:56,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:30:56,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:30:56,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:30:56,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:30:56,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:30:56,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:30:56,957 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:30:56,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i [2021-01-07 04:30:57,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b830b6645/42ed6745a1844a6da1b62dd8c3c5ab21/FLAGd5749d7c1 [2021-01-07 04:30:57,925 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:30:57,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i [2021-01-07 04:30:57,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b830b6645/42ed6745a1844a6da1b62dd8c3c5ab21/FLAGd5749d7c1 [2021-01-07 04:30:58,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b830b6645/42ed6745a1844a6da1b62dd8c3c5ab21 [2021-01-07 04:30:58,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:30:58,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:30:58,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:30:58,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:30:58,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:30:58,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:30:58" (1/1) ... [2021-01-07 04:30:58,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3d4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:58, skipping insertion in model container [2021-01-07 04:30:58,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:30:58" (1/1) ... [2021-01-07 04:30:58,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:30:58,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-07 04:30:58,813 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem81,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem81,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem91,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem91,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem117,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem117,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem126,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem126,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem136,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem136,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem165,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem165,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem166,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem166,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem167,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem167,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem168,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem168,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem184,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem184,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem185,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem185,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem197,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem197,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem209,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem209,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem219,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem219,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem245,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem245,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem253,],base],StructAccessExpression[IdentifierExpression[#t~mem253,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem254,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem254,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem264,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem264,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] [2021-01-07 04:30:59,038 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[49681,49694] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem322,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem322,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem327,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem327,],offset],IdentifierExpression[#t~mem329,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem333,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem333,],offset],IdentifierExpression[#t~mem335,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem347,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem347,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem350,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem350,],offset]]]] [2021-01-07 04:30:59,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:30:59,109 INFO L203 MainTranslator]: Completed pre-run [2021-01-07 04:30:59,145 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem83,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem83,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem93,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem93,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem120,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem120,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem128,],base],StructAccessExpression[IdentifierExpression[#t~mem128,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem130,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem130,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem140,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem140,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem170,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem170,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem172,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem172,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem173,],base],StructAccessExpression[IdentifierExpression[#t~mem173,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem175,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem175,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem188,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem188,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem189,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem189,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem201,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem201,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem215,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem215,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem225,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem225,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem252,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem252,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem260,],base],StructAccessExpression[IdentifierExpression[#t~mem260,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem262,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem262,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem272,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem272,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: IdentifierExpression[~#j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] [2021-01-07 04:30:59,249 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[49681,49694] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem330,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem330,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem335,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem335,],offset],IdentifierExpression[#t~mem337,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem341,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem341,],offset],IdentifierExpression[#t~mem343,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem355,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem355,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem358,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem358,],offset]]]] [2021-01-07 04:30:59,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:30:59,355 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:30:59,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59 WrapperNode [2021-01-07 04:30:59,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:30:59,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:30:59,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:30:59,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:30:59,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:30:59,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:30:59,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:30:59,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:30:59,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (1/1) ... [2021-01-07 04:30:59,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:30:59,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:30:59,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:30:59,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:30:59,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (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 04:30:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:30:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:30:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:30:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:30:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:30:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-01-07 04:30:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:30:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:30:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:30:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:30:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:31:02,825 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:31:02,825 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-01-07 04:31:02,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:31:02 BoogieIcfgContainer [2021-01-07 04:31:02,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:31:02,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:31:02,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:31:02,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:31:02,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:30:58" (1/3) ... [2021-01-07 04:31:02,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372eaedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:31:02, skipping insertion in model container [2021-01-07 04:31:02,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:30:59" (2/3) ... [2021-01-07 04:31:02,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372eaedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:31:02, skipping insertion in model container [2021-01-07 04:31:02,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:31:02" (3/3) ... [2021-01-07 04:31:02,837 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-2.i [2021-01-07 04:31:02,845 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:31:02,851 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-07 04:31:02,872 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-07 04:31:02,901 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:31:02,901 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 04:31:02,901 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:31:02,902 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:31:02,902 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:31:02,902 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:31:02,902 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:31:02,902 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:31:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2021-01-07 04:31:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 04:31:02,934 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:02,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:02,936 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:02,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:02,943 INFO L82 PathProgramCache]: Analyzing trace with hash 889803109, now seen corresponding path program 1 times [2021-01-07 04:31:02,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:02,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836424197] [2021-01-07 04:31:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:03,148 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 04:31:03,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836424197] [2021-01-07 04:31:03,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:03,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:31:03,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638640863] [2021-01-07 04:31:03,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:31:03,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:03,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:31:03,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:31:03,178 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 2 states. [2021-01-07 04:31:03,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:03,236 INFO L93 Difference]: Finished difference Result 572 states and 962 transitions. [2021-01-07 04:31:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:31:03,238 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-01-07 04:31:03,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:03,254 INFO L225 Difference]: With dead ends: 572 [2021-01-07 04:31:03,255 INFO L226 Difference]: Without dead ends: 254 [2021-01-07 04:31:03,260 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 04:31:03,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-01-07 04:31:03,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-01-07 04:31:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2021-01-07 04:31:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 333 transitions. [2021-01-07 04:31:03,326 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 333 transitions. Word has length 8 [2021-01-07 04:31:03,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:03,327 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 333 transitions. [2021-01-07 04:31:03,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:31:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 333 transitions. [2021-01-07 04:31:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-07 04:31:03,329 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:03,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:03,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:31:03,330 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:03,331 INFO L82 PathProgramCache]: Analyzing trace with hash -680083191, now seen corresponding path program 1 times [2021-01-07 04:31:03,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:03,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102633016] [2021-01-07 04:31:03,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:03,359 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:03,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134542801] [2021-01-07 04:31:03,360 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 04:31:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:03,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-07 04:31:03,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:03,696 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 04:31:03,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102633016] [2021-01-07 04:31:03,698 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:03,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134542801] [2021-01-07 04:31:03,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:03,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:31:03,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929828489] [2021-01-07 04:31:03,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:31:03,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:03,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:31:03,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:03,702 INFO L87 Difference]: Start difference. First operand 254 states and 333 transitions. Second operand 3 states. [2021-01-07 04:31:03,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:03,783 INFO L93 Difference]: Finished difference Result 587 states and 769 transitions. [2021-01-07 04:31:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:31:03,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-01-07 04:31:03,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:03,791 INFO L225 Difference]: With dead ends: 587 [2021-01-07 04:31:03,794 INFO L226 Difference]: Without dead ends: 505 [2021-01-07 04:31:03,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:03,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-01-07 04:31:03,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 255. [2021-01-07 04:31:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2021-01-07 04:31:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 334 transitions. [2021-01-07 04:31:03,843 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 334 transitions. Word has length 42 [2021-01-07 04:31:03,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:03,844 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 334 transitions. [2021-01-07 04:31:03,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:31:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 334 transitions. [2021-01-07 04:31:03,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:31:03,861 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:03,862 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:04,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-01-07 04:31:04,076 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:04,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:04,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1837409632, now seen corresponding path program 1 times [2021-01-07 04:31:04,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:04,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323750108] [2021-01-07 04:31:04,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:04,137 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:04,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922285854] [2021-01-07 04:31:04,138 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 04:31:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:04,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:31:04,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:04,693 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 04:31:04,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323750108] [2021-01-07 04:31:04,694 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:04,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922285854] [2021-01-07 04:31:04,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:04,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:31:04,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256810959] [2021-01-07 04:31:04,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:31:04,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:04,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:31:04,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:04,697 INFO L87 Difference]: Start difference. First operand 255 states and 334 transitions. Second operand 3 states. [2021-01-07 04:31:04,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:04,786 INFO L93 Difference]: Finished difference Result 528 states and 696 transitions. [2021-01-07 04:31:04,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:31:04,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:31:04,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:04,789 INFO L225 Difference]: With dead ends: 528 [2021-01-07 04:31:04,789 INFO L226 Difference]: Without dead ends: 276 [2021-01-07 04:31:04,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:04,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-01-07 04:31:04,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 275. [2021-01-07 04:31:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2021-01-07 04:31:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 354 transitions. [2021-01-07 04:31:04,809 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 354 transitions. Word has length 140 [2021-01-07 04:31:04,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:04,810 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 354 transitions. [2021-01-07 04:31:04,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:31:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 354 transitions. [2021-01-07 04:31:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:31:04,813 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:04,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:05,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:05,028 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:05,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:05,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1273244828, now seen corresponding path program 1 times [2021-01-07 04:31:05,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:05,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017119018] [2021-01-07 04:31:05,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:05,078 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:05,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080958959] [2021-01-07 04:31:05,080 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 04:31:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:05,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:31:05,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:05,645 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 04:31:05,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017119018] [2021-01-07 04:31:05,646 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:05,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080958959] [2021-01-07 04:31:05,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:05,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:31:05,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853369784] [2021-01-07 04:31:05,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:31:05,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:05,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:31:05,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:05,649 INFO L87 Difference]: Start difference. First operand 275 states and 354 transitions. Second operand 3 states. [2021-01-07 04:31:05,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:05,746 INFO L93 Difference]: Finished difference Result 568 states and 736 transitions. [2021-01-07 04:31:05,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:31:05,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:31:05,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:05,749 INFO L225 Difference]: With dead ends: 568 [2021-01-07 04:31:05,749 INFO L226 Difference]: Without dead ends: 296 [2021-01-07 04:31:05,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:05,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-01-07 04:31:05,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 295. [2021-01-07 04:31:05,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2021-01-07 04:31:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 374 transitions. [2021-01-07 04:31:05,762 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 374 transitions. Word has length 140 [2021-01-07 04:31:05,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:05,763 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 374 transitions. [2021-01-07 04:31:05,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:31:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 374 transitions. [2021-01-07 04:31:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:31:05,766 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:05,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:05,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:05,982 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:05,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:05,983 INFO L82 PathProgramCache]: Analyzing trace with hash -882913824, now seen corresponding path program 1 times [2021-01-07 04:31:05,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:05,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079914326] [2021-01-07 04:31:05,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:06,012 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:06,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255327308] [2021-01-07 04:31:06,013 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 04:31:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:06,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:31:06,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:31:06,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079914326] [2021-01-07 04:31:06,491 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:06,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255327308] [2021-01-07 04:31:06,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:06,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:31:06,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680614733] [2021-01-07 04:31:06,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:31:06,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:06,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:31:06,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:06,493 INFO L87 Difference]: Start difference. First operand 295 states and 374 transitions. Second operand 3 states. [2021-01-07 04:31:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:06,582 INFO L93 Difference]: Finished difference Result 397 states and 510 transitions. [2021-01-07 04:31:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:31:06,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:31:06,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:06,585 INFO L225 Difference]: With dead ends: 397 [2021-01-07 04:31:06,585 INFO L226 Difference]: Without dead ends: 316 [2021-01-07 04:31:06,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-01-07 04:31:06,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 315. [2021-01-07 04:31:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2021-01-07 04:31:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 394 transitions. [2021-01-07 04:31:06,596 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 394 transitions. Word has length 140 [2021-01-07 04:31:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:06,596 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 394 transitions. [2021-01-07 04:31:06,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:31:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 394 transitions. [2021-01-07 04:31:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:31:06,599 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:06,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:06,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:06,814 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:06,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:06,816 INFO L82 PathProgramCache]: Analyzing trace with hash 115522276, now seen corresponding path program 1 times [2021-01-07 04:31:06,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:06,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017922996] [2021-01-07 04:31:06,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:06,841 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:06,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978191993] [2021-01-07 04:31:06,842 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 04:31:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:07,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:31:07,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:07,331 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 04:31:07,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017922996] [2021-01-07 04:31:07,332 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:07,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978191993] [2021-01-07 04:31:07,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:07,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:31:07,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691361740] [2021-01-07 04:31:07,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:31:07,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:07,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:31:07,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:31:07,335 INFO L87 Difference]: Start difference. First operand 315 states and 394 transitions. Second operand 4 states. [2021-01-07 04:31:07,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:07,460 INFO L93 Difference]: Finished difference Result 619 states and 777 transitions. [2021-01-07 04:31:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:31:07,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:31:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:07,463 INFO L225 Difference]: With dead ends: 619 [2021-01-07 04:31:07,464 INFO L226 Difference]: Without dead ends: 307 [2021-01-07 04:31:07,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:31:07,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2021-01-07 04:31:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2021-01-07 04:31:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2021-01-07 04:31:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2021-01-07 04:31:07,477 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 140 [2021-01-07 04:31:07,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:07,478 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2021-01-07 04:31:07,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:31:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2021-01-07 04:31:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:31:07,480 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:07,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:07,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-07 04:31:07,697 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:07,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:07,699 INFO L82 PathProgramCache]: Analyzing trace with hash 32737814, now seen corresponding path program 1 times [2021-01-07 04:31:07,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:07,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041145956] [2021-01-07 04:31:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:07,737 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:07,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917200752] [2021-01-07 04:31:07,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:08,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:31:08,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:08,197 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 04:31:08,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041145956] [2021-01-07 04:31:08,198 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:08,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917200752] [2021-01-07 04:31:08,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:08,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:31:08,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410933222] [2021-01-07 04:31:08,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:31:08,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:08,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:31:08,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:31:08,200 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand 4 states. [2021-01-07 04:31:08,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:08,327 INFO L93 Difference]: Finished difference Result 680 states and 844 transitions. [2021-01-07 04:31:08,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:31:08,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:31:08,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:08,333 INFO L225 Difference]: With dead ends: 680 [2021-01-07 04:31:08,333 INFO L226 Difference]: Without dead ends: 382 [2021-01-07 04:31:08,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:31:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-01-07 04:31:08,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 287. [2021-01-07 04:31:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-01-07 04:31:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2021-01-07 04:31:08,347 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 140 [2021-01-07 04:31:08,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:08,351 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2021-01-07 04:31:08,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:31:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2021-01-07 04:31:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:31:08,354 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:08,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:08,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:08,569 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:08,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:08,570 INFO L82 PathProgramCache]: Analyzing trace with hash -577227484, now seen corresponding path program 1 times [2021-01-07 04:31:08,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:08,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507729760] [2021-01-07 04:31:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:08,595 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:08,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [59566162] [2021-01-07 04:31:08,595 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 04:31:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:08,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:31:08,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:31:09,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507729760] [2021-01-07 04:31:09,032 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:09,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59566162] [2021-01-07 04:31:09,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:09,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:31:09,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162967108] [2021-01-07 04:31:09,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:31:09,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:09,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:31:09,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:31:09,034 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand 4 states. [2021-01-07 04:31:09,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:09,131 INFO L93 Difference]: Finished difference Result 379 states and 468 transitions. [2021-01-07 04:31:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:31:09,132 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:31:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:09,134 INFO L225 Difference]: With dead ends: 379 [2021-01-07 04:31:09,134 INFO L226 Difference]: Without dead ends: 278 [2021-01-07 04:31:09,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:31:09,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-01-07 04:31:09,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 273. [2021-01-07 04:31:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-01-07 04:31:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 331 transitions. [2021-01-07 04:31:09,145 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 331 transitions. Word has length 140 [2021-01-07 04:31:09,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:09,145 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 331 transitions. [2021-01-07 04:31:09,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:31:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 331 transitions. [2021-01-07 04:31:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:31:09,147 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:09,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:09,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:09,361 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:09,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:09,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1460076330, now seen corresponding path program 1 times [2021-01-07 04:31:09,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:09,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554908024] [2021-01-07 04:31:09,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:09,385 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:09,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430435068] [2021-01-07 04:31:09,386 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 04:31:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:09,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:31:09,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:09,891 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 04:31:09,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554908024] [2021-01-07 04:31:09,892 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:09,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430435068] [2021-01-07 04:31:09,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:31:09,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:31:09,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988062553] [2021-01-07 04:31:09,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:31:09,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:09,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:31:09,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:31:09,895 INFO L87 Difference]: Start difference. First operand 273 states and 331 transitions. Second operand 4 states. [2021-01-07 04:31:09,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:09,951 INFO L93 Difference]: Finished difference Result 811 states and 984 transitions. [2021-01-07 04:31:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:31:09,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:31:09,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:09,956 INFO L225 Difference]: With dead ends: 811 [2021-01-07 04:31:09,956 INFO L226 Difference]: Without dead ends: 723 [2021-01-07 04:31:09,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:31:09,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2021-01-07 04:31:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 455. [2021-01-07 04:31:09,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2021-01-07 04:31:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 553 transitions. [2021-01-07 04:31:09,974 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 553 transitions. Word has length 140 [2021-01-07 04:31:09,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:09,975 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 553 transitions. [2021-01-07 04:31:09,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:31:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 553 transitions. [2021-01-07 04:31:09,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-01-07 04:31:09,978 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:09,979 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:10,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-07 04:31:10,194 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:10,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:10,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1379453485, now seen corresponding path program 2 times [2021-01-07 04:31:10,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:10,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462625469] [2021-01-07 04:31:10,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:10,217 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:10,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932697989] [2021-01-07 04:31:10,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 04:31:10,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:31:10,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:31:10,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:31:10,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:31:10,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462625469] [2021-01-07 04:31:10,980 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:10,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932697989] [2021-01-07 04:31:10,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:31:10,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:31:10,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921767965] [2021-01-07 04:31:10,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:31:10,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:10,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:31:10,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:31:10,982 INFO L87 Difference]: Start difference. First operand 455 states and 553 transitions. Second operand 5 states. [2021-01-07 04:31:11,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:11,079 INFO L93 Difference]: Finished difference Result 1080 states and 1310 transitions. [2021-01-07 04:31:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:31:11,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2021-01-07 04:31:11,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:11,085 INFO L225 Difference]: With dead ends: 1080 [2021-01-07 04:31:11,085 INFO L226 Difference]: Without dead ends: 992 [2021-01-07 04:31:11,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:31:11,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2021-01-07 04:31:11,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 637. [2021-01-07 04:31:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2021-01-07 04:31:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 775 transitions. [2021-01-07 04:31:11,114 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 775 transitions. Word has length 238 [2021-01-07 04:31:11,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:11,114 INFO L481 AbstractCegarLoop]: Abstraction has 637 states and 775 transitions. [2021-01-07 04:31:11,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:31:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 775 transitions. [2021-01-07 04:31:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-01-07 04:31:11,120 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:11,121 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:11,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:11,335 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:11,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:11,337 INFO L82 PathProgramCache]: Analyzing trace with hash 449267140, now seen corresponding path program 3 times [2021-01-07 04:31:11,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:11,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120357721] [2021-01-07 04:31:11,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:11,365 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:11,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2069322276] [2021-01-07 04:31:11,366 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 04:31:11,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:31:11,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:31:11,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:31:11,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-01-07 04:31:12,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120357721] [2021-01-07 04:31:12,364 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:12,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069322276] [2021-01-07 04:31:12,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:12,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:31:12,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101028575] [2021-01-07 04:31:12,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:31:12,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:12,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:31:12,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:12,366 INFO L87 Difference]: Start difference. First operand 637 states and 775 transitions. Second operand 3 states. [2021-01-07 04:31:12,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:12,435 INFO L93 Difference]: Finished difference Result 1216 states and 1484 transitions. [2021-01-07 04:31:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:31:12,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2021-01-07 04:31:12,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:12,441 INFO L225 Difference]: With dead ends: 1216 [2021-01-07 04:31:12,441 INFO L226 Difference]: Without dead ends: 635 [2021-01-07 04:31:12,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:12,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2021-01-07 04:31:12,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 635. [2021-01-07 04:31:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2021-01-07 04:31:12,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 772 transitions. [2021-01-07 04:31:12,462 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 772 transitions. Word has length 336 [2021-01-07 04:31:12,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:12,463 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 772 transitions. [2021-01-07 04:31:12,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:31:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 772 transitions. [2021-01-07 04:31:12,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-01-07 04:31:12,469 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:12,469 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:12,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:12,683 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:12,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1855273396, now seen corresponding path program 1 times [2021-01-07 04:31:12,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:12,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973692239] [2021-01-07 04:31:12,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:12,714 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:12,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2026545432] [2021-01-07 04:31:12,714 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 04:31:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:13,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:31:13,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-01-07 04:31:13,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973692239] [2021-01-07 04:31:13,589 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:13,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026545432] [2021-01-07 04:31:13,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:13,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:31:13,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768554022] [2021-01-07 04:31:13,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:31:13,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:13,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:31:13,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:13,592 INFO L87 Difference]: Start difference. First operand 635 states and 772 transitions. Second operand 3 states. [2021-01-07 04:31:13,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:13,655 INFO L93 Difference]: Finished difference Result 1232 states and 1512 transitions. [2021-01-07 04:31:13,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:31:13,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2021-01-07 04:31:13,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:13,659 INFO L225 Difference]: With dead ends: 1232 [2021-01-07 04:31:13,660 INFO L226 Difference]: Without dead ends: 647 [2021-01-07 04:31:13,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:13,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2021-01-07 04:31:13,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2021-01-07 04:31:13,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2021-01-07 04:31:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 784 transitions. [2021-01-07 04:31:13,681 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 784 transitions. Word has length 343 [2021-01-07 04:31:13,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:13,682 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 784 transitions. [2021-01-07 04:31:13,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:31:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 784 transitions. [2021-01-07 04:31:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-01-07 04:31:13,688 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:13,689 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:13,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-07 04:31:13,904 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:13,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:13,905 INFO L82 PathProgramCache]: Analyzing trace with hash 162679507, now seen corresponding path program 1 times [2021-01-07 04:31:13,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:13,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846608198] [2021-01-07 04:31:13,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:13,971 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:13,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915544984] [2021-01-07 04:31:13,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:14,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:31:14,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-01-07 04:31:14,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846608198] [2021-01-07 04:31:14,929 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:14,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915544984] [2021-01-07 04:31:14,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:31:14,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:31:14,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635749803] [2021-01-07 04:31:14,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:31:14,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:14,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:31:14,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:31:14,932 INFO L87 Difference]: Start difference. First operand 647 states and 784 transitions. Second operand 4 states. [2021-01-07 04:31:15,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:15,023 INFO L93 Difference]: Finished difference Result 1255 states and 1535 transitions. [2021-01-07 04:31:15,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:31:15,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 345 [2021-01-07 04:31:15,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:15,027 INFO L225 Difference]: With dead ends: 1255 [2021-01-07 04:31:15,028 INFO L226 Difference]: Without dead ends: 659 [2021-01-07 04:31:15,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:31:15,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-01-07 04:31:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-01-07 04:31:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-01-07 04:31:15,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 796 transitions. [2021-01-07 04:31:15,055 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 796 transitions. Word has length 345 [2021-01-07 04:31:15,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:15,056 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 796 transitions. [2021-01-07 04:31:15,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:31:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 796 transitions. [2021-01-07 04:31:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-01-07 04:31:15,059 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:15,059 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:15,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-07 04:31:15,273 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:15,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:15,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1649703700, now seen corresponding path program 2 times [2021-01-07 04:31:15,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:15,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383133497] [2021-01-07 04:31:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:15,321 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:15,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37031910] [2021-01-07 04:31:15,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:15,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:31:15,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:31:15,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:31:16,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 73 proven. 3 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-01-07 04:31:16,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383133497] [2021-01-07 04:31:16,353 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:16,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37031910] [2021-01-07 04:31:16,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:31:16,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:31:16,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197128764] [2021-01-07 04:31:16,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:31:16,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:16,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:31:16,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:31:16,355 INFO L87 Difference]: Start difference. First operand 659 states and 796 transitions. Second operand 5 states. [2021-01-07 04:31:16,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:16,464 INFO L93 Difference]: Finished difference Result 1278 states and 1558 transitions. [2021-01-07 04:31:16,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:31:16,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 347 [2021-01-07 04:31:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:16,468 INFO L225 Difference]: With dead ends: 1278 [2021-01-07 04:31:16,468 INFO L226 Difference]: Without dead ends: 671 [2021-01-07 04:31:16,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:31:16,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2021-01-07 04:31:16,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2021-01-07 04:31:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2021-01-07 04:31:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 808 transitions. [2021-01-07 04:31:16,493 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 808 transitions. Word has length 347 [2021-01-07 04:31:16,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:16,494 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 808 transitions. [2021-01-07 04:31:16,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:31:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 808 transitions. [2021-01-07 04:31:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-01-07 04:31:16,497 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:16,497 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:16,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-07 04:31:16,712 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:16,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:16,713 INFO L82 PathProgramCache]: Analyzing trace with hash 457445491, now seen corresponding path program 3 times [2021-01-07 04:31:16,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:16,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982750846] [2021-01-07 04:31:16,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:16,740 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:16,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1874107542] [2021-01-07 04:31:16,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:17,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:31:17,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:31:17,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:31:17,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-01-07 04:31:17,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982750846] [2021-01-07 04:31:17,761 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:17,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874107542] [2021-01-07 04:31:17,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:17,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:31:17,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769427707] [2021-01-07 04:31:17,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:31:17,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:17,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:31:17,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:17,763 INFO L87 Difference]: Start difference. First operand 671 states and 808 transitions. Second operand 3 states. [2021-01-07 04:31:17,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:17,863 INFO L93 Difference]: Finished difference Result 1256 states and 1514 transitions. [2021-01-07 04:31:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:31:17,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2021-01-07 04:31:17,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:17,867 INFO L225 Difference]: With dead ends: 1256 [2021-01-07 04:31:17,868 INFO L226 Difference]: Without dead ends: 740 [2021-01-07 04:31:17,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:17,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-01-07 04:31:17,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 728. [2021-01-07 04:31:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2021-01-07 04:31:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 880 transitions. [2021-01-07 04:31:17,897 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 880 transitions. Word has length 349 [2021-01-07 04:31:17,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:17,898 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 880 transitions. [2021-01-07 04:31:17,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:31:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 880 transitions. [2021-01-07 04:31:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-01-07 04:31:17,901 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:17,901 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:18,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:18,115 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:18,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:18,116 INFO L82 PathProgramCache]: Analyzing trace with hash -2060178602, now seen corresponding path program 1 times [2021-01-07 04:31:18,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:18,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634298687] [2021-01-07 04:31:18,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:18,142 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:18,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498050167] [2021-01-07 04:31:18,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:18,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 04:31:18,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-01-07 04:31:19,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634298687] [2021-01-07 04:31:19,128 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:19,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498050167] [2021-01-07 04:31:19,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:31:19,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-01-07 04:31:19,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875708710] [2021-01-07 04:31:19,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:31:19,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:19,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:31:19,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:31:19,130 INFO L87 Difference]: Start difference. First operand 728 states and 880 transitions. Second operand 6 states. [2021-01-07 04:31:19,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:19,246 INFO L93 Difference]: Finished difference Result 1415 states and 1725 transitions. [2021-01-07 04:31:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:31:19,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 362 [2021-01-07 04:31:19,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:19,251 INFO L225 Difference]: With dead ends: 1415 [2021-01-07 04:31:19,251 INFO L226 Difference]: Without dead ends: 740 [2021-01-07 04:31:19,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:31:19,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-01-07 04:31:19,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2021-01-07 04:31:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2021-01-07 04:31:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 892 transitions. [2021-01-07 04:31:19,282 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 892 transitions. Word has length 362 [2021-01-07 04:31:19,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:19,282 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 892 transitions. [2021-01-07 04:31:19,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:31:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 892 transitions. [2021-01-07 04:31:19,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-01-07 04:31:19,285 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:19,286 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:19,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-01-07 04:31:19,500 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:19,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:19,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1507573012, now seen corresponding path program 2 times [2021-01-07 04:31:19,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:19,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929385244] [2021-01-07 04:31:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:19,524 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:19,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [395964555] [2021-01-07 04:31:19,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:20,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:31:20,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:31:20,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-07 04:31:20,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-01-07 04:31:20,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929385244] [2021-01-07 04:31:20,746 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:20,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395964555] [2021-01-07 04:31:20,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:31:20,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-01-07 04:31:20,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880956786] [2021-01-07 04:31:20,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:31:20,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:20,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:31:20,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:31:20,748 INFO L87 Difference]: Start difference. First operand 740 states and 892 transitions. Second operand 7 states. [2021-01-07 04:31:20,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:20,875 INFO L93 Difference]: Finished difference Result 1438 states and 1748 transitions. [2021-01-07 04:31:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 04:31:20,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 366 [2021-01-07 04:31:20,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:20,880 INFO L225 Difference]: With dead ends: 1438 [2021-01-07 04:31:20,881 INFO L226 Difference]: Without dead ends: 752 [2021-01-07 04:31:20,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:31:20,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-01-07 04:31:20,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2021-01-07 04:31:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2021-01-07 04:31:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 904 transitions. [2021-01-07 04:31:20,911 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 904 transitions. Word has length 366 [2021-01-07 04:31:20,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:20,912 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 904 transitions. [2021-01-07 04:31:20,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:31:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 904 transitions. [2021-01-07 04:31:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-01-07 04:31:20,915 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:20,915 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:21,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-07 04:31:21,125 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:21,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:21,126 INFO L82 PathProgramCache]: Analyzing trace with hash 823733142, now seen corresponding path program 3 times [2021-01-07 04:31:21,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:21,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354008840] [2021-01-07 04:31:21,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:21,157 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:21,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1270759466] [2021-01-07 04:31:21,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:21,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:31:21,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:31:21,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:31:21,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-01-07 04:31:22,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354008840] [2021-01-07 04:31:22,203 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:22,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270759466] [2021-01-07 04:31:22,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:31:22,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:31:22,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122196516] [2021-01-07 04:31:22,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:31:22,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:22,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:31:22,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:22,205 INFO L87 Difference]: Start difference. First operand 752 states and 904 transitions. Second operand 3 states. [2021-01-07 04:31:22,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:22,303 INFO L93 Difference]: Finished difference Result 1376 states and 1653 transitions. [2021-01-07 04:31:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:31:22,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2021-01-07 04:31:22,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:22,310 INFO L225 Difference]: With dead ends: 1376 [2021-01-07 04:31:22,310 INFO L226 Difference]: Without dead ends: 1027 [2021-01-07 04:31:22,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:31:22,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-01-07 04:31:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1015. [2021-01-07 04:31:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2021-01-07 04:31:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1222 transitions. [2021-01-07 04:31:22,346 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1222 transitions. Word has length 370 [2021-01-07 04:31:22,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:22,347 INFO L481 AbstractCegarLoop]: Abstraction has 1015 states and 1222 transitions. [2021-01-07 04:31:22,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:31:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1222 transitions. [2021-01-07 04:31:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-01-07 04:31:22,351 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:22,351 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:22,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-01-07 04:31:22,566 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:22,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:22,567 INFO L82 PathProgramCache]: Analyzing trace with hash -145231630, now seen corresponding path program 1 times [2021-01-07 04:31:22,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:22,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912467720] [2021-01-07 04:31:22,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:22,599 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:22,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271346820] [2021-01-07 04:31:22,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:31:23,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-07 04:31:23,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 73 proven. 15 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2021-01-07 04:31:23,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912467720] [2021-01-07 04:31:23,628 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:23,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271346820] [2021-01-07 04:31:23,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:31:23,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-01-07 04:31:23,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503235615] [2021-01-07 04:31:23,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 04:31:23,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:23,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 04:31:23,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:31:23,631 INFO L87 Difference]: Start difference. First operand 1015 states and 1222 transitions. Second operand 8 states. [2021-01-07 04:31:23,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:23,781 INFO L93 Difference]: Finished difference Result 1989 states and 2411 transitions. [2021-01-07 04:31:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:31:23,781 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 377 [2021-01-07 04:31:23,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:23,786 INFO L225 Difference]: With dead ends: 1989 [2021-01-07 04:31:23,787 INFO L226 Difference]: Without dead ends: 1029 [2021-01-07 04:31:23,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:31:23,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-01-07 04:31:23,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2021-01-07 04:31:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2021-01-07 04:31:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1236 transitions. [2021-01-07 04:31:23,832 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1236 transitions. Word has length 377 [2021-01-07 04:31:23,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:23,833 INFO L481 AbstractCegarLoop]: Abstraction has 1029 states and 1236 transitions. [2021-01-07 04:31:23,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 04:31:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1236 transitions. [2021-01-07 04:31:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-01-07 04:31:23,836 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:23,837 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:24,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:24,053 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:24,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:24,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1700907916, now seen corresponding path program 2 times [2021-01-07 04:31:24,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:24,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121949333] [2021-01-07 04:31:24,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:24,082 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:24,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1095258551] [2021-01-07 04:31:24,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:24,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:31:24,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:31:24,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 04:31:24,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:31:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 73 proven. 21 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-01-07 04:31:25,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121949333] [2021-01-07 04:31:25,374 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:31:25,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095258551] [2021-01-07 04:31:25,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:31:25,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-01-07 04:31:25,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411832035] [2021-01-07 04:31:25,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 04:31:25,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:31:25,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 04:31:25,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:31:25,375 INFO L87 Difference]: Start difference. First operand 1029 states and 1236 transitions. Second operand 9 states. [2021-01-07 04:31:25,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:31:25,520 INFO L93 Difference]: Finished difference Result 2016 states and 2438 transitions. [2021-01-07 04:31:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-07 04:31:25,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 381 [2021-01-07 04:31:25,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:31:25,526 INFO L225 Difference]: With dead ends: 2016 [2021-01-07 04:31:25,526 INFO L226 Difference]: Without dead ends: 1043 [2021-01-07 04:31:25,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:31:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-01-07 04:31:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2021-01-07 04:31:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2021-01-07 04:31:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1250 transitions. [2021-01-07 04:31:25,567 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1250 transitions. Word has length 381 [2021-01-07 04:31:25,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:31:25,567 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1250 transitions. [2021-01-07 04:31:25,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 04:31:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1250 transitions. [2021-01-07 04:31:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-01-07 04:31:25,571 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:31:25,572 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:31:25,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:31:25,786 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:31:25,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:31:25,787 INFO L82 PathProgramCache]: Analyzing trace with hash -336611150, now seen corresponding path program 3 times [2021-01-07 04:31:25,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:31:25,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433519379] [2021-01-07 04:31:25,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:31:25,810 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:31:25,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638585417] [2021-01-07 04:31:25,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true