/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:16:01,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:16:01,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:16:02,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-01-07 04:16:02,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:16:02,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:16:02,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:16:02,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:16:02,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:16:02,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:16:02,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:16:02,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:16:02,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:16:02,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:16:02,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:16:02,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:16:02,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-07 04:16:02,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:16:02,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:16:02,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:16:02,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-07 04:16:02,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:16:02,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:16:02,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:16:02,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:16:02,193 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:16:02,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:16:02,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:16:02,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:16:02,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 04:16:02,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:16:02,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 04:16:02,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 04:16:02,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:16:02,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 04:16:02,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:16:02,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:16:02,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:16:02,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:16:02,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:16:02,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:16:02,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 04:16:02,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:16:02,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:16:02,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 04:16:02,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:16:02,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:16:02,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:16:02,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:16:02,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:16:02,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:16:02,682 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:16:02,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2021-01-07 04:16:02,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9c26f939d/27a65b14eb184486bf1429df65d885a4/FLAGb0afc709a [2021-01-07 04:16:03,778 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:16:03,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2021-01-07 04:16:03,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9c26f939d/27a65b14eb184486bf1429df65d885a4/FLAGb0afc709a [2021-01-07 04:16:03,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9c26f939d/27a65b14eb184486bf1429df65d885a4 [2021-01-07 04:16:03,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:16:03,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:16:03,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:16:03,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:16:03,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:16:03,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:16:03" (1/1) ... [2021-01-07 04:16:03,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394ce2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:03, skipping insertion in model container [2021-01-07 04:16:03,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:16:03" (1/1) ... [2021-01-07 04:16:03,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:16:04,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-07 04:16:04,671 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem81,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem81,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem91,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem91,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem117,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem117,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem126,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem126,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem136,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem136,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem165,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem165,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem166,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem166,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem167,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem167,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem168,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem168,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem184,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem184,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem185,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem185,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem197,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem197,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem209,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem209,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem219,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem219,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem245,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem245,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem253,],base],StructAccessExpression[IdentifierExpression[#t~mem253,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem254,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem254,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem264,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem264,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] [2021-01-07 04:16:05,017 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[49681,49694] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem322,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem322,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem327,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem327,],offset],IdentifierExpression[#t~mem329,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem333,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem333,],offset],IdentifierExpression[#t~mem335,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem347,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem347,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem350,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem350,],offset]]]] [2021-01-07 04:16:05,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:16:05,049 INFO L203 MainTranslator]: Completed pre-run [2021-01-07 04:16:05,120 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem83,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem83,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem93,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem93,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem120,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem120,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem128,],base],StructAccessExpression[IdentifierExpression[#t~mem128,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem130,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem130,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem140,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem140,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem170,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem170,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem172,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem172,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem173,],base],StructAccessExpression[IdentifierExpression[#t~mem173,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem175,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem175,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem188,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem188,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem189,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem189,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem201,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem201,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem215,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem215,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem225,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem225,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem252,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem252,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem260,],base],StructAccessExpression[IdentifierExpression[#t~mem260,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem262,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem262,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem272,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem272,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: IdentifierExpression[~#j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] [2021-01-07 04:16:05,201 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[49681,49694] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem330,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem330,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem335,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem335,],offset],IdentifierExpression[#t~mem337,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem341,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem341,],offset],IdentifierExpression[#t~mem343,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem355,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem355,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem358,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem358,],offset]]]] [2021-01-07 04:16:05,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:16:05,326 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:16:05,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05 WrapperNode [2021-01-07 04:16:05,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:16:05,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:16:05,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:16:05,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:16:05,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:16:05,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:16:05,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:16:05,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:16:05,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... [2021-01-07 04:16:05,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:16:05,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:16:05,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:16:05,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:16:05,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:16:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:16:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:16:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:16:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:16:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:16:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-01-07 04:16:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:16:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:16:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:16:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:16:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:16:08,606 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:16:08,607 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-01-07 04:16:08,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:16:08 BoogieIcfgContainer [2021-01-07 04:16:08,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:16:08,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:16:08,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:16:08,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:16:08,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:16:03" (1/3) ... [2021-01-07 04:16:08,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1978d702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:16:08, skipping insertion in model container [2021-01-07 04:16:08,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:16:05" (2/3) ... [2021-01-07 04:16:08,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1978d702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:16:08, skipping insertion in model container [2021-01-07 04:16:08,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:16:08" (3/3) ... [2021-01-07 04:16:08,622 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-2.i [2021-01-07 04:16:08,630 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:16:08,636 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-07 04:16:08,656 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-07 04:16:08,704 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:16:08,704 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 04:16:08,704 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:16:08,704 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:16:08,705 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:16:08,705 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:16:08,705 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:16:08,705 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:16:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2021-01-07 04:16:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 04:16:08,738 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:08,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:08,740 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:08,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:08,748 INFO L82 PathProgramCache]: Analyzing trace with hash 889803109, now seen corresponding path program 1 times [2021-01-07 04:16:08,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:08,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594034351] [2021-01-07 04:16:08,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:09,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594034351] [2021-01-07 04:16:09,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:09,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:16:09,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118077952] [2021-01-07 04:16:09,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:16:09,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:09,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:16:09,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:16:09,069 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 2 states. [2021-01-07 04:16:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:09,174 INFO L93 Difference]: Finished difference Result 572 states and 962 transitions. [2021-01-07 04:16:09,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:16:09,176 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-01-07 04:16:09,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:09,200 INFO L225 Difference]: With dead ends: 572 [2021-01-07 04:16:09,200 INFO L226 Difference]: Without dead ends: 254 [2021-01-07 04:16:09,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:16:09,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-01-07 04:16:09,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-01-07 04:16:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2021-01-07 04:16:09,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 333 transitions. [2021-01-07 04:16:09,313 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 333 transitions. Word has length 8 [2021-01-07 04:16:09,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:09,314 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 333 transitions. [2021-01-07 04:16:09,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:16:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 333 transitions. [2021-01-07 04:16:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-07 04:16:09,318 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:09,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:09,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:16:09,319 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:09,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:09,321 INFO L82 PathProgramCache]: Analyzing trace with hash -680083191, now seen corresponding path program 1 times [2021-01-07 04:16:09,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:09,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239244694] [2021-01-07 04:16:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:09,384 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:09,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942534993] [2021-01-07 04:16:09,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:09,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-07 04:16:09,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:09,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239244694] [2021-01-07 04:16:09,821 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:09,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942534993] [2021-01-07 04:16:09,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:09,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:09,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640129668] [2021-01-07 04:16:09,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:09,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:09,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:09,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:09,826 INFO L87 Difference]: Start difference. First operand 254 states and 333 transitions. Second operand 3 states. [2021-01-07 04:16:09,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:09,881 INFO L93 Difference]: Finished difference Result 587 states and 769 transitions. [2021-01-07 04:16:09,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:09,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-01-07 04:16:09,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:09,886 INFO L225 Difference]: With dead ends: 587 [2021-01-07 04:16:09,886 INFO L226 Difference]: Without dead ends: 505 [2021-01-07 04:16:09,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:09,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-01-07 04:16:09,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 255. [2021-01-07 04:16:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2021-01-07 04:16:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 334 transitions. [2021-01-07 04:16:09,911 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 334 transitions. Word has length 42 [2021-01-07 04:16:09,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:09,912 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 334 transitions. [2021-01-07 04:16:09,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 334 transitions. [2021-01-07 04:16:09,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:09,919 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:09,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:10,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-01-07 04:16:10,135 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:10,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:10,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1837409632, now seen corresponding path program 1 times [2021-01-07 04:16:10,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:10,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700564576] [2021-01-07 04:16:10,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:10,174 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:10,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1572103939] [2021-01-07 04:16:10,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:10,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:10,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:10,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700564576] [2021-01-07 04:16:10,858 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:10,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572103939] [2021-01-07 04:16:10,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:10,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:10,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941836436] [2021-01-07 04:16:10,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:10,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:10,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:10,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:10,870 INFO L87 Difference]: Start difference. First operand 255 states and 334 transitions. Second operand 3 states. [2021-01-07 04:16:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:10,989 INFO L93 Difference]: Finished difference Result 528 states and 696 transitions. [2021-01-07 04:16:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:10,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:16:10,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:10,991 INFO L225 Difference]: With dead ends: 528 [2021-01-07 04:16:10,992 INFO L226 Difference]: Without dead ends: 276 [2021-01-07 04:16:10,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:10,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-01-07 04:16:11,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 275. [2021-01-07 04:16:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2021-01-07 04:16:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 354 transitions. [2021-01-07 04:16:11,026 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 354 transitions. Word has length 140 [2021-01-07 04:16:11,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:11,027 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 354 transitions. [2021-01-07 04:16:11,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 354 transitions. [2021-01-07 04:16:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:11,038 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:11,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:11,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:11,240 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:11,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:11,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1273244828, now seen corresponding path program 1 times [2021-01-07 04:16:11,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:11,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112089950] [2021-01-07 04:16:11,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:11,272 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:11,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752588870] [2021-01-07 04:16:11,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:11,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:11,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:11,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:11,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112089950] [2021-01-07 04:16:11,790 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:11,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752588870] [2021-01-07 04:16:11,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:11,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:11,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682437906] [2021-01-07 04:16:11,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:11,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:11,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:11,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:11,792 INFO L87 Difference]: Start difference. First operand 275 states and 354 transitions. Second operand 3 states. [2021-01-07 04:16:11,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:11,902 INFO L93 Difference]: Finished difference Result 568 states and 736 transitions. [2021-01-07 04:16:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:11,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:16:11,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:11,905 INFO L225 Difference]: With dead ends: 568 [2021-01-07 04:16:11,906 INFO L226 Difference]: Without dead ends: 296 [2021-01-07 04:16:11,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:11,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-01-07 04:16:11,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 295. [2021-01-07 04:16:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2021-01-07 04:16:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 374 transitions. [2021-01-07 04:16:11,915 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 374 transitions. Word has length 140 [2021-01-07 04:16:11,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:11,916 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 374 transitions. [2021-01-07 04:16:11,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 374 transitions. [2021-01-07 04:16:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:11,918 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:11,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:12,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:12,133 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:12,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:12,134 INFO L82 PathProgramCache]: Analyzing trace with hash -882913824, now seen corresponding path program 1 times [2021-01-07 04:16:12,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:12,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889474106] [2021-01-07 04:16:12,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:12,165 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:12,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197446736] [2021-01-07 04:16:12,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:12,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:12,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:16:12,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889474106] [2021-01-07 04:16:12,689 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:12,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197446736] [2021-01-07 04:16:12,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:12,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:12,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844031443] [2021-01-07 04:16:12,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:12,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:12,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:12,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:12,698 INFO L87 Difference]: Start difference. First operand 295 states and 374 transitions. Second operand 3 states. [2021-01-07 04:16:12,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:12,813 INFO L93 Difference]: Finished difference Result 397 states and 510 transitions. [2021-01-07 04:16:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:12,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-01-07 04:16:12,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:12,823 INFO L225 Difference]: With dead ends: 397 [2021-01-07 04:16:12,823 INFO L226 Difference]: Without dead ends: 316 [2021-01-07 04:16:12,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:12,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-01-07 04:16:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 315. [2021-01-07 04:16:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2021-01-07 04:16:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 394 transitions. [2021-01-07 04:16:12,841 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 394 transitions. Word has length 140 [2021-01-07 04:16:12,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:12,850 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 394 transitions. [2021-01-07 04:16:12,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 394 transitions. [2021-01-07 04:16:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:12,858 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:12,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:13,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:13,073 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:13,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:13,074 INFO L82 PathProgramCache]: Analyzing trace with hash 115522276, now seen corresponding path program 1 times [2021-01-07 04:16:13,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:13,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345347823] [2021-01-07 04:16:13,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:13,131 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:13,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558692800] [2021-01-07 04:16:13,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:13,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:13,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:13,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345347823] [2021-01-07 04:16:13,601 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:13,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558692800] [2021-01-07 04:16:13,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:13,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:16:13,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016255671] [2021-01-07 04:16:13,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:13,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:13,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:13,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:13,604 INFO L87 Difference]: Start difference. First operand 315 states and 394 transitions. Second operand 4 states. [2021-01-07 04:16:13,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:13,732 INFO L93 Difference]: Finished difference Result 619 states and 777 transitions. [2021-01-07 04:16:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:13,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:16:13,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:13,735 INFO L225 Difference]: With dead ends: 619 [2021-01-07 04:16:13,735 INFO L226 Difference]: Without dead ends: 307 [2021-01-07 04:16:13,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:13,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2021-01-07 04:16:13,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2021-01-07 04:16:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2021-01-07 04:16:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2021-01-07 04:16:13,747 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 140 [2021-01-07 04:16:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:13,748 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2021-01-07 04:16:13,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2021-01-07 04:16:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:13,750 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:13,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:13,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-07 04:16:13,964 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:13,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:13,966 INFO L82 PathProgramCache]: Analyzing trace with hash 32737814, now seen corresponding path program 1 times [2021-01-07 04:16:13,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:13,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046063909] [2021-01-07 04:16:13,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:14,015 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:14,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118090488] [2021-01-07 04:16:14,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:14,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:14,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:14,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046063909] [2021-01-07 04:16:14,513 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:14,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118090488] [2021-01-07 04:16:14,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:14,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:16:14,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142223666] [2021-01-07 04:16:14,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:14,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:14,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:14,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:14,516 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand 4 states. [2021-01-07 04:16:14,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:14,631 INFO L93 Difference]: Finished difference Result 680 states and 844 transitions. [2021-01-07 04:16:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:14,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:16:14,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:14,635 INFO L225 Difference]: With dead ends: 680 [2021-01-07 04:16:14,635 INFO L226 Difference]: Without dead ends: 382 [2021-01-07 04:16:14,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:14,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-01-07 04:16:14,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 287. [2021-01-07 04:16:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-01-07 04:16:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2021-01-07 04:16:14,648 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 140 [2021-01-07 04:16:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:14,649 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2021-01-07 04:16:14,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2021-01-07 04:16:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:14,651 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:14,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:14,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:14,868 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:14,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:14,869 INFO L82 PathProgramCache]: Analyzing trace with hash -577227484, now seen corresponding path program 1 times [2021-01-07 04:16:14,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:14,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605617715] [2021-01-07 04:16:14,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:14,909 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:14,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930810465] [2021-01-07 04:16:14,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:15,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:15,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-07 04:16:15,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605617715] [2021-01-07 04:16:15,433 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:15,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930810465] [2021-01-07 04:16:15,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:15,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:16:15,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095766324] [2021-01-07 04:16:15,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:15,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:15,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:15,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:15,441 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand 4 states. [2021-01-07 04:16:15,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:15,560 INFO L93 Difference]: Finished difference Result 379 states and 468 transitions. [2021-01-07 04:16:15,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:15,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:16:15,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:15,564 INFO L225 Difference]: With dead ends: 379 [2021-01-07 04:16:15,564 INFO L226 Difference]: Without dead ends: 278 [2021-01-07 04:16:15,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:15,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-01-07 04:16:15,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 273. [2021-01-07 04:16:15,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-01-07 04:16:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 331 transitions. [2021-01-07 04:16:15,575 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 331 transitions. Word has length 140 [2021-01-07 04:16:15,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:15,576 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 331 transitions. [2021-01-07 04:16:15,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 331 transitions. [2021-01-07 04:16:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 04:16:15,578 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:15,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:15,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:15,793 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:15,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:15,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1460076330, now seen corresponding path program 1 times [2021-01-07 04:16:15,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:15,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381520073] [2021-01-07 04:16:15,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:15,814 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:15,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765488577] [2021-01-07 04:16:15,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:16,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:16,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:16,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381520073] [2021-01-07 04:16:16,345 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:16,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765488577] [2021-01-07 04:16:16,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:16,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:16:16,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545602639] [2021-01-07 04:16:16,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:16,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:16,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:16,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:16,355 INFO L87 Difference]: Start difference. First operand 273 states and 331 transitions. Second operand 4 states. [2021-01-07 04:16:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:16,421 INFO L93 Difference]: Finished difference Result 811 states and 984 transitions. [2021-01-07 04:16:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:16,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-07 04:16:16,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:16,427 INFO L225 Difference]: With dead ends: 811 [2021-01-07 04:16:16,427 INFO L226 Difference]: Without dead ends: 723 [2021-01-07 04:16:16,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:16,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2021-01-07 04:16:16,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 455. [2021-01-07 04:16:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2021-01-07 04:16:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 553 transitions. [2021-01-07 04:16:16,447 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 553 transitions. Word has length 140 [2021-01-07 04:16:16,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:16,448 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 553 transitions. [2021-01-07 04:16:16,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:16,448 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 553 transitions. [2021-01-07 04:16:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-01-07 04:16:16,452 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:16,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:16,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-07 04:16:16,666 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:16,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:16,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1379453485, now seen corresponding path program 2 times [2021-01-07 04:16:16,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:16,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130154184] [2021-01-07 04:16:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:16,692 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:16,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371173282] [2021-01-07 04:16:16,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:17,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:17,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:17,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:16:17,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:16:17,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130154184] [2021-01-07 04:16:17,502 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:17,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371173282] [2021-01-07 04:16:17,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:17,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:16:17,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307976838] [2021-01-07 04:16:17,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:16:17,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:17,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:16:17,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:17,504 INFO L87 Difference]: Start difference. First operand 455 states and 553 transitions. Second operand 5 states. [2021-01-07 04:16:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:17,593 INFO L93 Difference]: Finished difference Result 1080 states and 1310 transitions. [2021-01-07 04:16:17,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:16:17,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2021-01-07 04:16:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:17,600 INFO L225 Difference]: With dead ends: 1080 [2021-01-07 04:16:17,600 INFO L226 Difference]: Without dead ends: 992 [2021-01-07 04:16:17,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:17,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2021-01-07 04:16:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 637. [2021-01-07 04:16:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2021-01-07 04:16:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 775 transitions. [2021-01-07 04:16:17,629 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 775 transitions. Word has length 238 [2021-01-07 04:16:17,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:17,630 INFO L481 AbstractCegarLoop]: Abstraction has 637 states and 775 transitions. [2021-01-07 04:16:17,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:16:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 775 transitions. [2021-01-07 04:16:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-01-07 04:16:17,636 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:17,636 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:17,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:17,850 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:17,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:17,851 INFO L82 PathProgramCache]: Analyzing trace with hash 449267140, now seen corresponding path program 3 times [2021-01-07 04:16:17,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:17,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953168666] [2021-01-07 04:16:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:17,880 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:17,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983507858] [2021-01-07 04:16:17,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:18,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:16:18,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:18,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:16:18,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-01-07 04:16:18,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953168666] [2021-01-07 04:16:18,982 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:18,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983507858] [2021-01-07 04:16:18,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:18,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:18,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696328231] [2021-01-07 04:16:18,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:18,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:18,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:18,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:18,984 INFO L87 Difference]: Start difference. First operand 637 states and 775 transitions. Second operand 3 states. [2021-01-07 04:16:19,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:19,054 INFO L93 Difference]: Finished difference Result 1216 states and 1484 transitions. [2021-01-07 04:16:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:19,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2021-01-07 04:16:19,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:19,060 INFO L225 Difference]: With dead ends: 1216 [2021-01-07 04:16:19,061 INFO L226 Difference]: Without dead ends: 635 [2021-01-07 04:16:19,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:19,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2021-01-07 04:16:19,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 635. [2021-01-07 04:16:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2021-01-07 04:16:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 772 transitions. [2021-01-07 04:16:19,086 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 772 transitions. Word has length 336 [2021-01-07 04:16:19,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:19,086 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 772 transitions. [2021-01-07 04:16:19,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 772 transitions. [2021-01-07 04:16:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-01-07 04:16:19,093 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:19,093 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:19,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:19,308 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:19,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:19,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1855273396, now seen corresponding path program 1 times [2021-01-07 04:16:19,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:19,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038363299] [2021-01-07 04:16:19,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:19,343 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:19,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268272496] [2021-01-07 04:16:19,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:19,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:16:19,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:20,279 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-01-07 04:16:20,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038363299] [2021-01-07 04:16:20,280 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:20,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268272496] [2021-01-07 04:16:20,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:20,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:20,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485353461] [2021-01-07 04:16:20,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:20,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:20,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:20,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:20,288 INFO L87 Difference]: Start difference. First operand 635 states and 772 transitions. Second operand 3 states. [2021-01-07 04:16:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:20,355 INFO L93 Difference]: Finished difference Result 1232 states and 1512 transitions. [2021-01-07 04:16:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:20,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2021-01-07 04:16:20,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:20,359 INFO L225 Difference]: With dead ends: 1232 [2021-01-07 04:16:20,359 INFO L226 Difference]: Without dead ends: 647 [2021-01-07 04:16:20,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:20,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2021-01-07 04:16:20,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2021-01-07 04:16:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2021-01-07 04:16:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 784 transitions. [2021-01-07 04:16:20,382 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 784 transitions. Word has length 343 [2021-01-07 04:16:20,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:20,383 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 784 transitions. [2021-01-07 04:16:20,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 784 transitions. [2021-01-07 04:16:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-01-07 04:16:20,390 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:20,390 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:20,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-07 04:16:20,605 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:20,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:20,606 INFO L82 PathProgramCache]: Analyzing trace with hash 162679507, now seen corresponding path program 1 times [2021-01-07 04:16:20,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:20,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554700357] [2021-01-07 04:16:20,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:20,638 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:20,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613340808] [2021-01-07 04:16:20,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:21,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:16:21,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-01-07 04:16:21,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554700357] [2021-01-07 04:16:21,591 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:21,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613340808] [2021-01-07 04:16:21,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:21,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:16:21,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918959768] [2021-01-07 04:16:21,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:16:21,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:21,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:16:21,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:21,597 INFO L87 Difference]: Start difference. First operand 647 states and 784 transitions. Second operand 4 states. [2021-01-07 04:16:21,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:21,677 INFO L93 Difference]: Finished difference Result 1255 states and 1535 transitions. [2021-01-07 04:16:21,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:16:21,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 345 [2021-01-07 04:16:21,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:21,682 INFO L225 Difference]: With dead ends: 1255 [2021-01-07 04:16:21,682 INFO L226 Difference]: Without dead ends: 659 [2021-01-07 04:16:21,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:16:21,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-01-07 04:16:21,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-01-07 04:16:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-01-07 04:16:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 796 transitions. [2021-01-07 04:16:21,708 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 796 transitions. Word has length 345 [2021-01-07 04:16:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:21,708 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 796 transitions. [2021-01-07 04:16:21,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:16:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 796 transitions. [2021-01-07 04:16:21,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-01-07 04:16:21,712 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:21,712 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:21,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-07 04:16:21,926 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:21,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:21,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1649703700, now seen corresponding path program 2 times [2021-01-07 04:16:21,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:21,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768528503] [2021-01-07 04:16:21,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:21,953 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:21,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638465083] [2021-01-07 04:16:21,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:22,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:22,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:22,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:16:22,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 73 proven. 3 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-01-07 04:16:23,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768528503] [2021-01-07 04:16:23,045 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:23,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638465083] [2021-01-07 04:16:23,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:23,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:16:23,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310647954] [2021-01-07 04:16:23,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:16:23,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:23,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:16:23,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:23,047 INFO L87 Difference]: Start difference. First operand 659 states and 796 transitions. Second operand 5 states. [2021-01-07 04:16:23,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:23,160 INFO L93 Difference]: Finished difference Result 1278 states and 1558 transitions. [2021-01-07 04:16:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:16:23,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 347 [2021-01-07 04:16:23,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:23,164 INFO L225 Difference]: With dead ends: 1278 [2021-01-07 04:16:23,164 INFO L226 Difference]: Without dead ends: 671 [2021-01-07 04:16:23,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:16:23,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2021-01-07 04:16:23,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2021-01-07 04:16:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2021-01-07 04:16:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 808 transitions. [2021-01-07 04:16:23,190 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 808 transitions. Word has length 347 [2021-01-07 04:16:23,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:23,190 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 808 transitions. [2021-01-07 04:16:23,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:16:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 808 transitions. [2021-01-07 04:16:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-01-07 04:16:23,193 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:23,193 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:23,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-07 04:16:23,407 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:23,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:23,408 INFO L82 PathProgramCache]: Analyzing trace with hash 457445491, now seen corresponding path program 3 times [2021-01-07 04:16:23,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:23,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757786962] [2021-01-07 04:16:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:23,434 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:23,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329247913] [2021-01-07 04:16:23,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:23,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:16:23,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:23,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:16:23,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-01-07 04:16:24,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757786962] [2021-01-07 04:16:24,583 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:24,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329247913] [2021-01-07 04:16:24,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:24,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:24,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258994496] [2021-01-07 04:16:24,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:24,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:24,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:24,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:24,585 INFO L87 Difference]: Start difference. First operand 671 states and 808 transitions. Second operand 3 states. [2021-01-07 04:16:24,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:24,681 INFO L93 Difference]: Finished difference Result 1256 states and 1514 transitions. [2021-01-07 04:16:24,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:24,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2021-01-07 04:16:24,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:24,686 INFO L225 Difference]: With dead ends: 1256 [2021-01-07 04:16:24,686 INFO L226 Difference]: Without dead ends: 740 [2021-01-07 04:16:24,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:24,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-01-07 04:16:24,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 728. [2021-01-07 04:16:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2021-01-07 04:16:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 880 transitions. [2021-01-07 04:16:24,714 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 880 transitions. Word has length 349 [2021-01-07 04:16:24,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:24,715 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 880 transitions. [2021-01-07 04:16:24,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 880 transitions. [2021-01-07 04:16:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-01-07 04:16:24,718 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:24,719 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:24,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:24,934 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:24,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:24,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2060178602, now seen corresponding path program 1 times [2021-01-07 04:16:24,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:24,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27333944] [2021-01-07 04:16:24,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:24,971 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:24,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183595414] [2021-01-07 04:16:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:25,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 04:16:25,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-01-07 04:16:26,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27333944] [2021-01-07 04:16:26,002 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:26,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183595414] [2021-01-07 04:16:26,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:26,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-01-07 04:16:26,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106479735] [2021-01-07 04:16:26,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 04:16:26,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:26,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 04:16:26,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:16:26,004 INFO L87 Difference]: Start difference. First operand 728 states and 880 transitions. Second operand 6 states. [2021-01-07 04:16:26,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:26,124 INFO L93 Difference]: Finished difference Result 1415 states and 1725 transitions. [2021-01-07 04:16:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 04:16:26,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 362 [2021-01-07 04:16:26,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:26,128 INFO L225 Difference]: With dead ends: 1415 [2021-01-07 04:16:26,128 INFO L226 Difference]: Without dead ends: 740 [2021-01-07 04:16:26,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 04:16:26,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-01-07 04:16:26,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2021-01-07 04:16:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2021-01-07 04:16:26,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 892 transitions. [2021-01-07 04:16:26,157 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 892 transitions. Word has length 362 [2021-01-07 04:16:26,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:26,157 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 892 transitions. [2021-01-07 04:16:26,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 04:16:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 892 transitions. [2021-01-07 04:16:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-01-07 04:16:26,161 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:26,161 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:26,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-01-07 04:16:26,377 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:26,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:26,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1507573012, now seen corresponding path program 2 times [2021-01-07 04:16:26,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:26,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267005487] [2021-01-07 04:16:26,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:26,402 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:26,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [407344080] [2021-01-07 04:16:26,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:27,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:27,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:27,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-07 04:16:27,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-01-07 04:16:27,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267005487] [2021-01-07 04:16:27,696 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:27,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407344080] [2021-01-07 04:16:27,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:27,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-01-07 04:16:27,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242232334] [2021-01-07 04:16:27,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 04:16:27,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:27,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 04:16:27,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:16:27,698 INFO L87 Difference]: Start difference. First operand 740 states and 892 transitions. Second operand 7 states. [2021-01-07 04:16:27,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:27,824 INFO L93 Difference]: Finished difference Result 1438 states and 1748 transitions. [2021-01-07 04:16:27,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 04:16:27,825 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 366 [2021-01-07 04:16:27,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:27,829 INFO L225 Difference]: With dead ends: 1438 [2021-01-07 04:16:27,829 INFO L226 Difference]: Without dead ends: 752 [2021-01-07 04:16:27,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 04:16:27,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-01-07 04:16:27,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2021-01-07 04:16:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2021-01-07 04:16:27,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 904 transitions. [2021-01-07 04:16:27,859 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 904 transitions. Word has length 366 [2021-01-07 04:16:27,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:27,859 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 904 transitions. [2021-01-07 04:16:27,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 04:16:27,860 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 904 transitions. [2021-01-07 04:16:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-01-07 04:16:27,863 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:27,863 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:28,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-07 04:16:28,072 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:28,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:28,073 INFO L82 PathProgramCache]: Analyzing trace with hash 823733142, now seen corresponding path program 3 times [2021-01-07 04:16:28,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:28,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314126573] [2021-01-07 04:16:28,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:28,118 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:28,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433533107] [2021-01-07 04:16:28,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:28,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 04:16:28,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:28,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:16:28,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-01-07 04:16:29,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314126573] [2021-01-07 04:16:29,108 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:29,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433533107] [2021-01-07 04:16:29,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:16:29,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:16:29,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100310934] [2021-01-07 04:16:29,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:16:29,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:29,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:16:29,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:29,110 INFO L87 Difference]: Start difference. First operand 752 states and 904 transitions. Second operand 3 states. [2021-01-07 04:16:29,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:29,209 INFO L93 Difference]: Finished difference Result 1376 states and 1653 transitions. [2021-01-07 04:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:16:29,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2021-01-07 04:16:29,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:29,214 INFO L225 Difference]: With dead ends: 1376 [2021-01-07 04:16:29,215 INFO L226 Difference]: Without dead ends: 1027 [2021-01-07 04:16:29,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:16:29,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-01-07 04:16:29,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1015. [2021-01-07 04:16:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2021-01-07 04:16:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1222 transitions. [2021-01-07 04:16:29,252 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1222 transitions. Word has length 370 [2021-01-07 04:16:29,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:29,253 INFO L481 AbstractCegarLoop]: Abstraction has 1015 states and 1222 transitions. [2021-01-07 04:16:29,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:16:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1222 transitions. [2021-01-07 04:16:29,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-01-07 04:16:29,256 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:29,257 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:29,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-01-07 04:16:29,471 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:29,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:29,472 INFO L82 PathProgramCache]: Analyzing trace with hash -145231630, now seen corresponding path program 1 times [2021-01-07 04:16:29,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:29,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589780540] [2021-01-07 04:16:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:29,500 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:29,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311558252] [2021-01-07 04:16:29,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:16:30,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-07 04:16:30,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 73 proven. 15 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2021-01-07 04:16:30,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589780540] [2021-01-07 04:16:30,519 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:30,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311558252] [2021-01-07 04:16:30,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:30,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-01-07 04:16:30,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439146645] [2021-01-07 04:16:30,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 04:16:30,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:30,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 04:16:30,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:16:30,521 INFO L87 Difference]: Start difference. First operand 1015 states and 1222 transitions. Second operand 8 states. [2021-01-07 04:16:30,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:30,665 INFO L93 Difference]: Finished difference Result 1989 states and 2411 transitions. [2021-01-07 04:16:30,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 04:16:30,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 377 [2021-01-07 04:16:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:30,671 INFO L225 Difference]: With dead ends: 1989 [2021-01-07 04:16:30,671 INFO L226 Difference]: Without dead ends: 1029 [2021-01-07 04:16:30,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-01-07 04:16:30,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-01-07 04:16:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2021-01-07 04:16:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2021-01-07 04:16:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1236 transitions. [2021-01-07 04:16:30,711 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1236 transitions. Word has length 377 [2021-01-07 04:16:30,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:30,711 INFO L481 AbstractCegarLoop]: Abstraction has 1029 states and 1236 transitions. [2021-01-07 04:16:30,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 04:16:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1236 transitions. [2021-01-07 04:16:30,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-01-07 04:16:30,715 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:30,715 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:30,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:30,930 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:30,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:30,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1700907916, now seen corresponding path program 2 times [2021-01-07 04:16:30,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:30,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665990006] [2021-01-07 04:16:30,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:30,956 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:30,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188112832] [2021-01-07 04:16:30,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:31,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:16:31,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:16:31,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 04:16:31,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:16:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 73 proven. 21 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-01-07 04:16:32,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665990006] [2021-01-07 04:16:32,186 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:16:32,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188112832] [2021-01-07 04:16:32,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:16:32,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-01-07 04:16:32,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517117889] [2021-01-07 04:16:32,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 04:16:32,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:16:32,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 04:16:32,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:16:32,188 INFO L87 Difference]: Start difference. First operand 1029 states and 1236 transitions. Second operand 9 states. [2021-01-07 04:16:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:16:32,336 INFO L93 Difference]: Finished difference Result 2016 states and 2438 transitions. [2021-01-07 04:16:32,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-07 04:16:32,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 381 [2021-01-07 04:16:32,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:16:32,341 INFO L225 Difference]: With dead ends: 2016 [2021-01-07 04:16:32,341 INFO L226 Difference]: Without dead ends: 1043 [2021-01-07 04:16:32,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-01-07 04:16:32,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-01-07 04:16:32,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2021-01-07 04:16:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2021-01-07 04:16:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1250 transitions. [2021-01-07 04:16:32,391 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1250 transitions. Word has length 381 [2021-01-07 04:16:32,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:16:32,392 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1250 transitions. [2021-01-07 04:16:32,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 04:16:32,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1250 transitions. [2021-01-07 04:16:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-01-07 04:16:32,395 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:16:32,396 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:16:32,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:16:32,611 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:16:32,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:16:32,612 INFO L82 PathProgramCache]: Analyzing trace with hash -336611150, now seen corresponding path program 3 times [2021-01-07 04:16:32,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:16:32,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214601280] [2021-01-07 04:16:32,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:16:32,636 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:16:32,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1897133498] [2021-01-07 04:16:32,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true