/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_SFH_test8-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:49:27,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:49:27,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:49:27,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-01-07 04:49:27,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:49:27,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:49:27,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:49:27,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:49:27,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:49:27,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:49:27,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:49:27,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:49:27,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:49:27,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:49:27,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:49:27,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:49:27,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-07 04:49:27,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:49:27,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:49:27,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:49:27,912 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 04:49:27,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:49:27,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:49:27,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:49:27,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:49:27,964 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:49:27,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:49:27,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:49:27,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:49:27,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 04:49:27,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:49:27,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 04:49:27,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 04:49:27,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:49:27,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 04:49:27,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:49:27,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:49:27,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:49:27,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:49:27,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:49:27,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:49:27,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 04:49:27,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:49:27,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:49:27,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 04:49:27,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:49:27,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:49:28,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:49:28,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:49:28,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:49:28,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:49:28,407 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:49:28,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2021-01-07 04:49:28,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/05a32257a/d3b1a5f737ec4cbcb3a687d12914a4b8/FLAG788dfdb92 [2021-01-07 04:49:29,241 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:49:29,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2021-01-07 04:49:29,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/05a32257a/d3b1a5f737ec4cbcb3a687d12914a4b8/FLAG788dfdb92 [2021-01-07 04:49:29,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/05a32257a/d3b1a5f737ec4cbcb3a687d12914a4b8 [2021-01-07 04:49:29,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:49:29,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:49:29,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:49:29,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:49:29,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:49:29,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:49:29" (1/1) ... [2021-01-07 04:49:29,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be42072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:29, skipping insertion in model container [2021-01-07 04:49:29,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:49:29" (1/1) ... [2021-01-07 04:49:29,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:49:29,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-07 04:49:30,004 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_SFH_test8-1.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem81,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem81,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem91,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem91,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem117,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem117,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem126,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem126,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem136,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem136,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem190,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem190,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem195,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem195,],offset],IdentifierExpression[#t~mem197,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem201,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem201,],offset],IdentifierExpression[#t~mem203,]]]]] 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~mem215,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem215,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem218,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem218,],offset]]]] [2021-01-07 04:49:30,238 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_SFH_test8-1.i[45234,45247] [2021-01-07 04:49:30,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:49:30,283 INFO L203 MainTranslator]: Completed pre-run [2021-01-07 04:49:30,353 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_SFH_test8-1.i[33021,33034] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem42,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem42,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem44,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem44,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem45,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem45,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem46,],base],StructAccessExpression[IdentifierExpression[#t~mem46,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem48,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem48,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem61,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem61,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem62,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem62,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem74,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem74,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem88,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem88,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem98,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem98,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem133,],base],StructAccessExpression[IdentifierExpression[#t~mem133,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem135,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem135,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem145,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem145,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem201,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem201,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem206,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem206,],offset],IdentifierExpression[#t~mem208,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem212,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem212,],offset],IdentifierExpression[#t~mem214,]]]]] 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~mem226,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem226,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem229,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem229,],offset]]]] [2021-01-07 04:49:30,477 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_SFH_test8-1.i[45234,45247] [2021-01-07 04:49:30,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:49:30,598 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:49:30,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30 WrapperNode [2021-01-07 04:49:30,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:49:30,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:49:30,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:49:30,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:49:30,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:49:30,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:49:30,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:49:30,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:49:30,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (1/1) ... [2021-01-07 04:49:30,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:49:30,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:49:30,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:49:30,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:49:30,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (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 04:49:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:49:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:49:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:49:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:49:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:49:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-01-07 04:49:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:49:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:49:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:49:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:49:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:49:32,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:49:32,987 INFO L299 CfgBuilder]: Removed 136 assume(true) statements. [2021-01-07 04:49:32,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:49:32 BoogieIcfgContainer [2021-01-07 04:49:32,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:49:32,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:49:32,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:49:32,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:49:32,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:49:29" (1/3) ... [2021-01-07 04:49:32,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d2acad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:49:32, skipping insertion in model container [2021-01-07 04:49:32,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:49:30" (2/3) ... [2021-01-07 04:49:32,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d2acad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:49:32, skipping insertion in model container [2021-01-07 04:49:32,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:49:32" (3/3) ... [2021-01-07 04:49:33,000 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-1.i [2021-01-07 04:49:33,007 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:49:33,013 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2021-01-07 04:49:33,036 INFO L253 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-01-07 04:49:33,069 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:49:33,069 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 04:49:33,069 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:49:33,069 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:49:33,070 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:49:33,070 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:49:33,070 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:49:33,070 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:49:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2021-01-07 04:49:33,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-07 04:49:33,103 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:49:33,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:49:33,105 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:49:33,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:49:33,114 INFO L82 PathProgramCache]: Analyzing trace with hash -109840528, now seen corresponding path program 1 times [2021-01-07 04:49:33,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:49:33,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141337877] [2021-01-07 04:49:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:49:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:49:33,330 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 04:49:33,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141337877] [2021-01-07 04:49:33,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:49:33,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:49:33,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443561423] [2021-01-07 04:49:33,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:49:33,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:49:33,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:49:33,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:49:33,357 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 2 states. [2021-01-07 04:49:33,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:49:33,412 INFO L93 Difference]: Finished difference Result 602 states and 966 transitions. [2021-01-07 04:49:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:49:33,413 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2021-01-07 04:49:33,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:49:33,429 INFO L225 Difference]: With dead ends: 602 [2021-01-07 04:49:33,430 INFO L226 Difference]: Without dead ends: 298 [2021-01-07 04:49:33,435 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 04:49:33,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-01-07 04:49:33,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2021-01-07 04:49:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-01-07 04:49:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 383 transitions. [2021-01-07 04:49:33,503 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 383 transitions. Word has length 9 [2021-01-07 04:49:33,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:49:33,503 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 383 transitions. [2021-01-07 04:49:33,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:49:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 383 transitions. [2021-01-07 04:49:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-07 04:49:33,506 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:49:33,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:49:33,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:49:33,507 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:49:33,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:49:33,508 INFO L82 PathProgramCache]: Analyzing trace with hash 518597571, now seen corresponding path program 1 times [2021-01-07 04:49:33,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:49:33,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207512575] [2021-01-07 04:49:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:49:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:49:33,625 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 04:49:33,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207512575] [2021-01-07 04:49:33,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:49:33,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:49:33,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64751701] [2021-01-07 04:49:33,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:49:33,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:49:33,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:49:33,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:49:33,632 INFO L87 Difference]: Start difference. First operand 298 states and 383 transitions. Second operand 4 states. [2021-01-07 04:49:34,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:49:34,181 INFO L93 Difference]: Finished difference Result 619 states and 798 transitions. [2021-01-07 04:49:34,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:49:34,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2021-01-07 04:49:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:49:34,187 INFO L225 Difference]: With dead ends: 619 [2021-01-07 04:49:34,187 INFO L226 Difference]: Without dead ends: 474 [2021-01-07 04:49:34,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:49:34,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-01-07 04:49:34,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 300. [2021-01-07 04:49:34,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2021-01-07 04:49:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 385 transitions. [2021-01-07 04:49:34,215 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 385 transitions. Word has length 44 [2021-01-07 04:49:34,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:49:34,215 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 385 transitions. [2021-01-07 04:49:34,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:49:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 385 transitions. [2021-01-07 04:49:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-07 04:49:34,217 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:49:34,218 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] [2021-01-07 04:49:34,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 04:49:34,218 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:49:34,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:49:34,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1543983351, now seen corresponding path program 1 times [2021-01-07 04:49:34,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:49:34,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417147841] [2021-01-07 04:49:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:49:34,250 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:49:34,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470690872] [2021-01-07 04:49:34,251 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 04:49:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:49:34,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:49:34,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:49:34,564 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 04:49:34,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417147841] [2021-01-07 04:49:34,566 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:49:34,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470690872] [2021-01-07 04:49:34,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:49:34,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:49:34,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294948283] [2021-01-07 04:49:34,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:49:34,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:49:34,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:49:34,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:49:34,582 INFO L87 Difference]: Start difference. First operand 300 states and 385 transitions. Second operand 3 states. [2021-01-07 04:49:34,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:49:34,667 INFO L93 Difference]: Finished difference Result 617 states and 797 transitions. [2021-01-07 04:49:34,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:49:34,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-07 04:49:34,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:49:34,670 INFO L225 Difference]: With dead ends: 617 [2021-01-07 04:49:34,670 INFO L226 Difference]: Without dead ends: 321 [2021-01-07 04:49:34,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 04:49:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-01-07 04:49:34,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 320. [2021-01-07 04:49:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2021-01-07 04:49:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 405 transitions. [2021-01-07 04:49:34,694 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 405 transitions. Word has length 57 [2021-01-07 04:49:34,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:49:34,695 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 405 transitions. [2021-01-07 04:49:34,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:49:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 405 transitions. [2021-01-07 04:49:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-07 04:49:34,697 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:49:34,697 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] [2021-01-07 04:49:34,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-07 04:49:34,914 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:49:34,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:49:34,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1379176647, now seen corresponding path program 1 times [2021-01-07 04:49:34,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:49:34,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763798800] [2021-01-07 04:49:34,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:49:34,938 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:49:34,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66646625] [2021-01-07 04:49:34,939 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 04:49:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:49:35,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:49:35,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:49:35,238 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 04:49:35,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763798800] [2021-01-07 04:49:35,239 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:49:35,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66646625] [2021-01-07 04:49:35,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:49:35,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:49:35,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365127733] [2021-01-07 04:49:35,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:49:35,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:49:35,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:49:35,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:49:35,244 INFO L87 Difference]: Start difference. First operand 320 states and 405 transitions. Second operand 4 states. [2021-01-07 04:49:35,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:49:35,337 INFO L93 Difference]: Finished difference Result 628 states and 798 transitions. [2021-01-07 04:49:35,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:49:35,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2021-01-07 04:49:35,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:49:35,340 INFO L225 Difference]: With dead ends: 628 [2021-01-07 04:49:35,340 INFO L226 Difference]: Without dead ends: 312 [2021-01-07 04:49:35,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 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 04:49:35,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-01-07 04:49:35,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 306. [2021-01-07 04:49:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2021-01-07 04:49:35,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 384 transitions. [2021-01-07 04:49:35,350 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 384 transitions. Word has length 57 [2021-01-07 04:49:35,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:49:35,351 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 384 transitions. [2021-01-07 04:49:35,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:49:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 384 transitions. [2021-01-07 04:49:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-07 04:49:35,353 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:49:35,353 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] [2021-01-07 04:49:35,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:49:35,567 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:49:35,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:49:35,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1996694677, now seen corresponding path program 1 times [2021-01-07 04:49:35,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:49:35,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008853905] [2021-01-07 04:49:35,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:49:35,588 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:49:35,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [888161306] [2021-01-07 04:49:35,588 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 04:49:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:49:35,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:49:35,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:49:35,833 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 04:49:35,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008853905] [2021-01-07 04:49:35,834 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:49:35,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888161306] [2021-01-07 04:49:35,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:49:35,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:49:35,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988826403] [2021-01-07 04:49:35,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:49:35,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:49:35,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:49:35,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:49:35,836 INFO L87 Difference]: Start difference. First operand 306 states and 384 transitions. Second operand 3 states. [2021-01-07 04:49:35,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:49:35,974 INFO L93 Difference]: Finished difference Result 779 states and 977 transitions. [2021-01-07 04:49:35,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:49:35,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-07 04:49:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:49:35,978 INFO L225 Difference]: With dead ends: 779 [2021-01-07 04:49:35,980 INFO L226 Difference]: Without dead ends: 477 [2021-01-07 04:49:35,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 04:49:35,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-01-07 04:49:35,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 444. [2021-01-07 04:49:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2021-01-07 04:49:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 578 transitions. [2021-01-07 04:49:35,998 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 578 transitions. Word has length 57 [2021-01-07 04:49:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:49:35,999 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 578 transitions. [2021-01-07 04:49:35,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:49:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 578 transitions. [2021-01-07 04:49:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-07 04:49:36,000 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:49:36,001 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] [2021-01-07 04:49:36,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:49:36,217 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:49:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:49:36,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1378561412, now seen corresponding path program 1 times [2021-01-07 04:49:36,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:49:36,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649235838] [2021-01-07 04:49:36,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:49:36,263 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:49:36,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287611331] [2021-01-07 04:49:36,266 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 04:49:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:49:36,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:49:36,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:49:36,542 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 04:49:36,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649235838] [2021-01-07 04:49:36,543 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:49:36,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287611331] [2021-01-07 04:49:36,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:49:36,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:49:36,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168728880] [2021-01-07 04:49:36,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:49:36,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:49:36,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:49:36,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:49:36,546 INFO L87 Difference]: Start difference. First operand 444 states and 578 transitions. Second operand 3 states. [2021-01-07 04:49:36,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:49:36,576 INFO L93 Difference]: Finished difference Result 842 states and 1107 transitions. [2021-01-07 04:49:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:49:36,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-07 04:49:36,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:49:36,580 INFO L225 Difference]: With dead ends: 842 [2021-01-07 04:49:36,580 INFO L226 Difference]: Without dead ends: 446 [2021-01-07 04:49:36,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 04:49:36,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-01-07 04:49:36,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2021-01-07 04:49:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2021-01-07 04:49:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 580 transitions. [2021-01-07 04:49:36,598 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 580 transitions. Word has length 64 [2021-01-07 04:49:36,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:49:36,598 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 580 transitions. [2021-01-07 04:49:36,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:49:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 580 transitions. [2021-01-07 04:49:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-07 04:49:36,599 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:49:36,599 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] [2021-01-07 04:49:36,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:49:36,815 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:49:36,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:49:36,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1147149435, now seen corresponding path program 1 times [2021-01-07 04:49:36,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:49:36,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253120971] [2021-01-07 04:49:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:49:36,835 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:49:36,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [277565804] [2021-01-07 04:49:36,835 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 04:49:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:49:37,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:49:37,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:49:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:49:37,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253120971] [2021-01-07 04:49:37,083 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:49:37,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277565804] [2021-01-07 04:49:37,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:49:37,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:49:37,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044232507] [2021-01-07 04:49:37,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:49:37,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:49:37,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:49:37,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:49:37,085 INFO L87 Difference]: Start difference. First operand 446 states and 580 transitions. Second operand 4 states. [2021-01-07 04:49:37,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:49:37,125 INFO L93 Difference]: Finished difference Result 846 states and 1111 transitions. [2021-01-07 04:49:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:49:37,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2021-01-07 04:49:37,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:49:37,129 INFO L225 Difference]: With dead ends: 846 [2021-01-07 04:49:37,129 INFO L226 Difference]: Without dead ends: 448 [2021-01-07 04:49:37,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 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 04:49:37,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-01-07 04:49:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2021-01-07 04:49:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2021-01-07 04:49:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 582 transitions. [2021-01-07 04:49:37,145 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 582 transitions. Word has length 66 [2021-01-07 04:49:37,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:49:37,164 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 582 transitions. [2021-01-07 04:49:37,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:49:37,164 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 582 transitions. [2021-01-07 04:49:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-07 04:49:37,165 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:49:37,165 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:49:37,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-01-07 04:49:37,378 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:49:37,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:49:37,379 INFO L82 PathProgramCache]: Analyzing trace with hash -774761572, now seen corresponding path program 2 times [2021-01-07 04:49:37,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:49:37,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153164727] [2021-01-07 04:49:37,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:49:37,409 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:49:37,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1838522994] [2021-01-07 04:49:37,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:51:58,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:51:58,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:51:58,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:51:58,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:51:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-07 04:51:59,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153164727] [2021-01-07 04:51:59,080 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:51:59,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838522994] [2021-01-07 04:51:59,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:51:59,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:51:59,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379201238] [2021-01-07 04:51:59,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:51:59,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:51:59,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:51:59,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:51:59,082 INFO L87 Difference]: Start difference. First operand 448 states and 582 transitions. Second operand 5 states. [2021-01-07 04:51:59,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:51:59,142 INFO L93 Difference]: Finished difference Result 850 states and 1115 transitions. [2021-01-07 04:51:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:51:59,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-07 04:51:59,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:51:59,146 INFO L225 Difference]: With dead ends: 850 [2021-01-07 04:51:59,146 INFO L226 Difference]: Without dead ends: 450 [2021-01-07 04:51:59,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 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 04:51:59,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-01-07 04:51:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2021-01-07 04:51:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2021-01-07 04:51:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 584 transitions. [2021-01-07 04:51:59,164 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 584 transitions. Word has length 68 [2021-01-07 04:51:59,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:51:59,165 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 584 transitions. [2021-01-07 04:51:59,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:51:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 584 transitions. [2021-01-07 04:51:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-07 04:51:59,166 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:51:59,166 INFO L422 BasicCegarLoop]: trace histogram [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, 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 04:51:59,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:51:59,380 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:51:59,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:51:59,382 INFO L82 PathProgramCache]: Analyzing trace with hash -264785445, now seen corresponding path program 3 times [2021-01-07 04:51:59,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:51:59,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467017589] [2021-01-07 04:51:59,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:51:59,405 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:51:59,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914439437] [2021-01-07 04:51:59,406 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 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