/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-dcfa08f [2020-12-23 16:04:10,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 16:04:10,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 16:04:10,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-23 16:04:10,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 16:04:10,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 16:04:10,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 16:04:10,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 16:04:10,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 16:04:10,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 16:04:10,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 16:04:10,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 16:04:10,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 16:04:10,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 16:04:10,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 16:04:10,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 16:04:10,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 16:04:10,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 16:04:10,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 16:04:10,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 16:04:10,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 16:04:10,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 16:04:10,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 16:04:10,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 16:04:10,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 16:04:10,607 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 16:04:10,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 16:04:10,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 16:04:10,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 16:04:10,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 16:04:10,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 16:04:10,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 16:04:10,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 16:04:10,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 16:04:10,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 16:04:10,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 16:04:10,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 16:04:10,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 16:04:10,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 16:04:10,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 16:04:10,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 16:04:10,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 16:04:10,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 16:04:10,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 16:04:10,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 16:04:10,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 16:04:10,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 16:04:11,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 16:04:11,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 16:04:11,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 16:04:11,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 16:04:11,077 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 16:04:11,078 INFO L432 ainManager$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 [2020-12-23 16:04:11,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/32fa9af9d/c1c21c09861f48b9a794c81fdc63c214/FLAG9d1b7d55b [2020-12-23 16:04:12,192 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 16:04:12,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2020-12-23 16:04:12,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/32fa9af9d/c1c21c09861f48b9a794c81fdc63c214/FLAG9d1b7d55b [2020-12-23 16:04:12,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/32fa9af9d/c1c21c09861f48b9a794c81fdc63c214 [2020-12-23 16:04:12,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 16:04:12,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 16:04:12,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 16:04:12,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 16:04:12,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 16:04:12,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:04:12" (1/1) ... [2020-12-23 16:04:12,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1d2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:12, skipping insertion in model container [2020-12-23 16:04:12,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:04:12" (1/1) ... [2020-12-23 16:04:12,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 16:04:12,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 16:04:13,053 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,] [2020-12-23 16:04:13,284 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]]]] [2020-12-23 16:04:13,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:04:13,390 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 16:04:13,464 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,] [2020-12-23 16:04:13,600 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]]]] [2020-12-23 16:04:13,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:04:13,709 INFO L208 MainTranslator]: Completed translation [2020-12-23 16:04:13,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13 WrapperNode [2020-12-23 16:04:13,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 16:04:13,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 16:04:13,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 16:04:13,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 16:04:13,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:13,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:13,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 16:04:13,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 16:04:13,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 16:04:13,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 16:04:13,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:13,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:13,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:13,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:14,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:14,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:14,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (1/1) ... [2020-12-23 16:04:14,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 16:04:14,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 16:04:14,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 16:04:14,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 16:04:14,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (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 [2020-12-23 16:04:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 16:04:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 16:04:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 16:04:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-23 16:04:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 16:04:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-23 16:04:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-23 16:04:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 16:04:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 16:04:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 16:04:14,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 16:04:17,506 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 16:04:17,506 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2020-12-23 16:04:17,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:04:17 BoogieIcfgContainer [2020-12-23 16:04:17,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 16:04:17,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 16:04:17,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 16:04:17,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 16:04:17,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:04:12" (1/3) ... [2020-12-23 16:04:17,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6edac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:04:17, skipping insertion in model container [2020-12-23 16:04:17,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:04:13" (2/3) ... [2020-12-23 16:04:17,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6edac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:04:17, skipping insertion in model container [2020-12-23 16:04:17,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:04:17" (3/3) ... [2020-12-23 16:04:17,519 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-2.i [2020-12-23 16:04:17,527 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 16:04:17,534 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 16:04:17,557 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 16:04:17,587 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 16:04:17,588 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 16:04:17,588 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 16:04:17,588 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 16:04:17,588 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 16:04:17,588 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 16:04:17,588 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 16:04:17,589 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 16:04:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2020-12-23 16:04:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-23 16:04:17,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:17,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:04:17,620 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]=== [2020-12-23 16:04:17,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:17,627 INFO L82 PathProgramCache]: Analyzing trace with hash 889803109, now seen corresponding path program 1 times [2020-12-23 16:04:17,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:17,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815342026] [2020-12-23 16:04:17,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:04:17,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815342026] [2020-12-23 16:04:17,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:17,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 16:04:17,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981980901] [2020-12-23 16:04:17,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 16:04:17,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:17,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 16:04:17,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 16:04:17,845 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 2 states. [2020-12-23 16:04:17,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:17,904 INFO L93 Difference]: Finished difference Result 572 states and 962 transitions. [2020-12-23 16:04:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 16:04:17,906 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-23 16:04:17,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:17,922 INFO L225 Difference]: With dead ends: 572 [2020-12-23 16:04:17,922 INFO L226 Difference]: Without dead ends: 254 [2020-12-23 16:04:17,927 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 [2020-12-23 16:04:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-12-23 16:04:17,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2020-12-23 16:04:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-12-23 16:04:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 333 transitions. [2020-12-23 16:04:17,992 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 333 transitions. Word has length 8 [2020-12-23 16:04:17,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:17,992 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 333 transitions. [2020-12-23 16:04:17,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 16:04:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 333 transitions. [2020-12-23 16:04:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-23 16:04:17,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:17,995 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] [2020-12-23 16:04:17,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 16:04:17,996 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]=== [2020-12-23 16:04:17,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:17,997 INFO L82 PathProgramCache]: Analyzing trace with hash -680083191, now seen corresponding path program 1 times [2020-12-23 16:04:17,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:17,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683550178] [2020-12-23 16:04:17,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:18,024 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:18,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740851786] [2020-12-23 16:04:18,025 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 [2020-12-23 16:04:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:18,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 16:04:18,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:04:18,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683550178] [2020-12-23 16:04:18,699 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:18,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740851786] [2020-12-23 16:04:18,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:18,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:04:18,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315704225] [2020-12-23 16:04:18,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:04:18,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:18,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:04:18,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:04:18,704 INFO L87 Difference]: Start difference. First operand 254 states and 333 transitions. Second operand 3 states. [2020-12-23 16:04:18,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:18,771 INFO L93 Difference]: Finished difference Result 587 states and 769 transitions. [2020-12-23 16:04:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:04:18,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-23 16:04:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:18,777 INFO L225 Difference]: With dead ends: 587 [2020-12-23 16:04:18,778 INFO L226 Difference]: Without dead ends: 505 [2020-12-23 16:04:18,779 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 [2020-12-23 16:04:18,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-12-23 16:04:18,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 255. [2020-12-23 16:04:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-12-23 16:04:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 334 transitions. [2020-12-23 16:04:18,825 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 334 transitions. Word has length 42 [2020-12-23 16:04:18,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:18,826 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 334 transitions. [2020-12-23 16:04:18,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:04:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 334 transitions. [2020-12-23 16:04:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 16:04:18,838 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:18,839 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] [2020-12-23 16:04:19,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-23 16:04:19,056 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]=== [2020-12-23 16:04:19,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:19,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1837409632, now seen corresponding path program 1 times [2020-12-23 16:04:19,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:19,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047279091] [2020-12-23 16:04:19,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:19,136 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:19,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [293112192] [2020-12-23 16:04:19,137 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 [2020-12-23 16:04:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:19,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:04:19,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:04:20,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047279091] [2020-12-23 16:04:20,093 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:20,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293112192] [2020-12-23 16:04:20,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:20,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:04:20,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374095062] [2020-12-23 16:04:20,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:04:20,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:20,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:04:20,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:04:20,097 INFO L87 Difference]: Start difference. First operand 255 states and 334 transitions. Second operand 3 states. [2020-12-23 16:04:20,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:20,288 INFO L93 Difference]: Finished difference Result 528 states and 696 transitions. [2020-12-23 16:04:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:04:20,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-12-23 16:04:20,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:20,291 INFO L225 Difference]: With dead ends: 528 [2020-12-23 16:04:20,292 INFO L226 Difference]: Without dead ends: 276 [2020-12-23 16:04:20,297 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 [2020-12-23 16:04:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-12-23 16:04:20,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 275. [2020-12-23 16:04:20,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-12-23 16:04:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 354 transitions. [2020-12-23 16:04:20,325 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 354 transitions. Word has length 140 [2020-12-23 16:04:20,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:20,325 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 354 transitions. [2020-12-23 16:04:20,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:04:20,325 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 354 transitions. [2020-12-23 16:04:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 16:04:20,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:20,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:04:20,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:20,541 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]=== [2020-12-23 16:04:20,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:20,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1273244828, now seen corresponding path program 1 times [2020-12-23 16:04:20,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:20,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501534518] [2020-12-23 16:04:20,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:20,579 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:20,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622749439] [2020-12-23 16:04:20,580 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 [2020-12-23 16:04:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:21,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:04:21,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:04:21,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501534518] [2020-12-23 16:04:21,493 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:21,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622749439] [2020-12-23 16:04:21,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:21,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:04:21,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886327090] [2020-12-23 16:04:21,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:04:21,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:21,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:04:21,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:04:21,496 INFO L87 Difference]: Start difference. First operand 275 states and 354 transitions. Second operand 3 states. [2020-12-23 16:04:21,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:21,689 INFO L93 Difference]: Finished difference Result 568 states and 736 transitions. [2020-12-23 16:04:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:04:21,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-12-23 16:04:21,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:21,695 INFO L225 Difference]: With dead ends: 568 [2020-12-23 16:04:21,695 INFO L226 Difference]: Without dead ends: 296 [2020-12-23 16:04:21,697 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 [2020-12-23 16:04:21,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-12-23 16:04:21,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 295. [2020-12-23 16:04:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-12-23 16:04:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 374 transitions. [2020-12-23 16:04:21,718 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 374 transitions. Word has length 140 [2020-12-23 16:04:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:21,721 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 374 transitions. [2020-12-23 16:04:21,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:04:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 374 transitions. [2020-12-23 16:04:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 16:04:21,727 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:21,729 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] [2020-12-23 16:04:21,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:21,930 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]=== [2020-12-23 16:04:21,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:21,932 INFO L82 PathProgramCache]: Analyzing trace with hash -882913824, now seen corresponding path program 1 times [2020-12-23 16:04:21,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:21,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913670139] [2020-12-23 16:04:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:22,010 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:22,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836624558] [2020-12-23 16:04:22,011 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 [2020-12-23 16:04:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:22,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:04:22,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 16:04:22,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913670139] [2020-12-23 16:04:22,903 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:22,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836624558] [2020-12-23 16:04:22,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:22,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:04:22,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347655278] [2020-12-23 16:04:22,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:04:22,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:22,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:04:22,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:04:22,920 INFO L87 Difference]: Start difference. First operand 295 states and 374 transitions. Second operand 3 states. [2020-12-23 16:04:23,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:23,097 INFO L93 Difference]: Finished difference Result 397 states and 510 transitions. [2020-12-23 16:04:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:04:23,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-12-23 16:04:23,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:23,113 INFO L225 Difference]: With dead ends: 397 [2020-12-23 16:04:23,113 INFO L226 Difference]: Without dead ends: 316 [2020-12-23 16:04:23,114 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 [2020-12-23 16:04:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-12-23 16:04:23,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 315. [2020-12-23 16:04:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-12-23 16:04:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 394 transitions. [2020-12-23 16:04:23,130 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 394 transitions. Word has length 140 [2020-12-23 16:04:23,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:23,130 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 394 transitions. [2020-12-23 16:04:23,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:04:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 394 transitions. [2020-12-23 16:04:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 16:04:23,138 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:23,138 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] [2020-12-23 16:04:23,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:23,344 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]=== [2020-12-23 16:04:23,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:23,345 INFO L82 PathProgramCache]: Analyzing trace with hash 115522276, now seen corresponding path program 1 times [2020-12-23 16:04:23,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:23,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176023815] [2020-12-23 16:04:23,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:23,370 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:23,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490316559] [2020-12-23 16:04:23,370 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 [2020-12-23 16:04:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:23,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:04:23,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:04:24,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176023815] [2020-12-23 16:04:24,188 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:24,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490316559] [2020-12-23 16:04:24,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:24,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:04:24,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407632849] [2020-12-23 16:04:24,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:04:24,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:24,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:04:24,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:04:24,201 INFO L87 Difference]: Start difference. First operand 315 states and 394 transitions. Second operand 4 states. [2020-12-23 16:04:24,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:24,373 INFO L93 Difference]: Finished difference Result 619 states and 777 transitions. [2020-12-23 16:04:24,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:04:24,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-12-23 16:04:24,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:24,376 INFO L225 Difference]: With dead ends: 619 [2020-12-23 16:04:24,376 INFO L226 Difference]: Without dead ends: 307 [2020-12-23 16:04:24,377 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 [2020-12-23 16:04:24,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-12-23 16:04:24,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2020-12-23 16:04:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-12-23 16:04:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2020-12-23 16:04:24,389 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 140 [2020-12-23 16:04:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:24,391 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2020-12-23 16:04:24,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:04:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2020-12-23 16:04:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 16:04:24,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:24,395 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] [2020-12-23 16:04:24,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 16:04:24,608 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]=== [2020-12-23 16:04:24,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:24,609 INFO L82 PathProgramCache]: Analyzing trace with hash 32737814, now seen corresponding path program 1 times [2020-12-23 16:04:24,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:24,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535436100] [2020-12-23 16:04:24,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:24,663 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:24,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1258521235] [2020-12-23 16:04:24,663 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 [2020-12-23 16:04:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:25,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:04:25,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:04:25,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535436100] [2020-12-23 16:04:25,565 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:25,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258521235] [2020-12-23 16:04:25,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:25,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:04:25,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746704970] [2020-12-23 16:04:25,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:04:25,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:25,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:04:25,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:04:25,568 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand 4 states. [2020-12-23 16:04:25,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:25,730 INFO L93 Difference]: Finished difference Result 680 states and 844 transitions. [2020-12-23 16:04:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:04:25,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-12-23 16:04:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:25,735 INFO L225 Difference]: With dead ends: 680 [2020-12-23 16:04:25,735 INFO L226 Difference]: Without dead ends: 382 [2020-12-23 16:04:25,737 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 [2020-12-23 16:04:25,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-23 16:04:25,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 287. [2020-12-23 16:04:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-12-23 16:04:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2020-12-23 16:04:25,752 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 140 [2020-12-23 16:04:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:25,754 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2020-12-23 16:04:25,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:04:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2020-12-23 16:04:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 16:04:25,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:25,760 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] [2020-12-23 16:04:25,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:25,975 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]=== [2020-12-23 16:04:25,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:25,977 INFO L82 PathProgramCache]: Analyzing trace with hash -577227484, now seen corresponding path program 1 times [2020-12-23 16:04:25,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:25,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059503305] [2020-12-23 16:04:25,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:25,998 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:25,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [325012158] [2020-12-23 16:04:25,999 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 [2020-12-23 16:04:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:26,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:04:26,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 16:04:26,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059503305] [2020-12-23 16:04:26,895 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:26,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325012158] [2020-12-23 16:04:26,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:26,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:04:26,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196428940] [2020-12-23 16:04:26,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:04:26,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:26,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:04:26,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:04:26,903 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand 4 states. [2020-12-23 16:04:27,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:27,052 INFO L93 Difference]: Finished difference Result 379 states and 468 transitions. [2020-12-23 16:04:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:04:27,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-12-23 16:04:27,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:27,055 INFO L225 Difference]: With dead ends: 379 [2020-12-23 16:04:27,055 INFO L226 Difference]: Without dead ends: 278 [2020-12-23 16:04:27,056 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 [2020-12-23 16:04:27,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-12-23 16:04:27,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 273. [2020-12-23 16:04:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-12-23 16:04:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 331 transitions. [2020-12-23 16:04:27,066 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 331 transitions. Word has length 140 [2020-12-23 16:04:27,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:27,067 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 331 transitions. [2020-12-23 16:04:27,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:04:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 331 transitions. [2020-12-23 16:04:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 16:04:27,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:27,069 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] [2020-12-23 16:04:27,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:27,285 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]=== [2020-12-23 16:04:27,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:27,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1460076330, now seen corresponding path program 1 times [2020-12-23 16:04:27,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:27,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054064979] [2020-12-23 16:04:27,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:27,308 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:27,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122917151] [2020-12-23 16:04:27,308 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 [2020-12-23 16:04:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:27,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:04:27,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:04:28,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054064979] [2020-12-23 16:04:28,204 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:28,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122917151] [2020-12-23 16:04:28,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:04:28,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-12-23 16:04:28,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687302295] [2020-12-23 16:04:28,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:04:28,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:28,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:04:28,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:04:28,207 INFO L87 Difference]: Start difference. First operand 273 states and 331 transitions. Second operand 4 states. [2020-12-23 16:04:28,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:28,277 INFO L93 Difference]: Finished difference Result 811 states and 984 transitions. [2020-12-23 16:04:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:04:28,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-12-23 16:04:28,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:28,282 INFO L225 Difference]: With dead ends: 811 [2020-12-23 16:04:28,282 INFO L226 Difference]: Without dead ends: 723 [2020-12-23 16:04:28,283 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 [2020-12-23 16:04:28,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-12-23 16:04:28,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 455. [2020-12-23 16:04:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-12-23 16:04:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 553 transitions. [2020-12-23 16:04:28,301 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 553 transitions. Word has length 140 [2020-12-23 16:04:28,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:28,302 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 553 transitions. [2020-12-23 16:04:28,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:04:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 553 transitions. [2020-12-23 16:04:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-12-23 16:04:28,306 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:28,306 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] [2020-12-23 16:04:28,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 16:04:28,521 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]=== [2020-12-23 16:04:28,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:28,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1379453485, now seen corresponding path program 2 times [2020-12-23 16:04:28,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:28,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489013557] [2020-12-23 16:04:28,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:28,548 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:28,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25362208] [2020-12-23 16:04:28,549 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 [2020-12-23 16:04:29,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 16:04:29,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:04:29,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 16:04:29,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:04:29,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489013557] [2020-12-23 16:04:29,876 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:29,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25362208] [2020-12-23 16:04:29,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:04:29,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-12-23 16:04:29,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579366815] [2020-12-23 16:04:29,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 16:04:29,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:29,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 16:04:29,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:04:29,878 INFO L87 Difference]: Start difference. First operand 455 states and 553 transitions. Second operand 5 states. [2020-12-23 16:04:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:29,984 INFO L93 Difference]: Finished difference Result 1080 states and 1310 transitions. [2020-12-23 16:04:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 16:04:29,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2020-12-23 16:04:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:29,991 INFO L225 Difference]: With dead ends: 1080 [2020-12-23 16:04:29,991 INFO L226 Difference]: Without dead ends: 992 [2020-12-23 16:04:29,992 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 [2020-12-23 16:04:29,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2020-12-23 16:04:30,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 637. [2020-12-23 16:04:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-12-23 16:04:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 775 transitions. [2020-12-23 16:04:30,021 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 775 transitions. Word has length 238 [2020-12-23 16:04:30,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:30,022 INFO L481 AbstractCegarLoop]: Abstraction has 637 states and 775 transitions. [2020-12-23 16:04:30,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 16:04:30,022 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 775 transitions. [2020-12-23 16:04:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-12-23 16:04:30,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:30,029 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] [2020-12-23 16:04:30,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:30,243 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]=== [2020-12-23 16:04:30,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:30,244 INFO L82 PathProgramCache]: Analyzing trace with hash 449267140, now seen corresponding path program 3 times [2020-12-23 16:04:30,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:30,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198581125] [2020-12-23 16:04:30,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:30,287 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:30,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [79811285] [2020-12-23 16:04:30,288 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 [2020-12-23 16:04:31,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 16:04:31,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:04:31,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 16:04:31,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-12-23 16:04:31,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198581125] [2020-12-23 16:04:31,935 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:31,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79811285] [2020-12-23 16:04:31,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:31,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:04:31,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649179957] [2020-12-23 16:04:31,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:04:31,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:31,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:04:31,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:04:31,938 INFO L87 Difference]: Start difference. First operand 637 states and 775 transitions. Second operand 3 states. [2020-12-23 16:04:32,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:32,015 INFO L93 Difference]: Finished difference Result 1216 states and 1484 transitions. [2020-12-23 16:04:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:04:32,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-12-23 16:04:32,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:32,022 INFO L225 Difference]: With dead ends: 1216 [2020-12-23 16:04:32,022 INFO L226 Difference]: Without dead ends: 635 [2020-12-23 16:04:32,024 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 [2020-12-23 16:04:32,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2020-12-23 16:04:32,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 635. [2020-12-23 16:04:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-12-23 16:04:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 772 transitions. [2020-12-23 16:04:32,046 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 772 transitions. Word has length 336 [2020-12-23 16:04:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:32,050 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 772 transitions. [2020-12-23 16:04:32,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:04:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 772 transitions. [2020-12-23 16:04:32,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-12-23 16:04:32,056 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:32,057 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] [2020-12-23 16:04:32,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:32,263 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]=== [2020-12-23 16:04:32,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:32,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1855273396, now seen corresponding path program 1 times [2020-12-23 16:04:32,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:32,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679819111] [2020-12-23 16:04:32,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:32,319 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:32,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775275672] [2020-12-23 16:04:32,319 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 [2020-12-23 16:04:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:33,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:04:33,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-12-23 16:04:33,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679819111] [2020-12-23 16:04:33,793 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:33,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775275672] [2020-12-23 16:04:33,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:33,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:04:33,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232695540] [2020-12-23 16:04:33,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:04:33,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:33,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:04:33,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:04:33,795 INFO L87 Difference]: Start difference. First operand 635 states and 772 transitions. Second operand 3 states. [2020-12-23 16:04:33,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:33,882 INFO L93 Difference]: Finished difference Result 1232 states and 1512 transitions. [2020-12-23 16:04:33,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:04:33,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-12-23 16:04:33,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:33,886 INFO L225 Difference]: With dead ends: 1232 [2020-12-23 16:04:33,886 INFO L226 Difference]: Without dead ends: 647 [2020-12-23 16:04:33,888 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 [2020-12-23 16:04:33,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-12-23 16:04:33,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2020-12-23 16:04:33,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-12-23 16:04:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 784 transitions. [2020-12-23 16:04:33,909 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 784 transitions. Word has length 343 [2020-12-23 16:04:33,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:33,909 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 784 transitions. [2020-12-23 16:04:33,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:04:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 784 transitions. [2020-12-23 16:04:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-12-23 16:04:33,916 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:33,916 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] [2020-12-23 16:04:34,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 16:04:34,131 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]=== [2020-12-23 16:04:34,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:34,132 INFO L82 PathProgramCache]: Analyzing trace with hash 162679507, now seen corresponding path program 1 times [2020-12-23 16:04:34,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:34,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133444111] [2020-12-23 16:04:34,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:34,158 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:34,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1952152592] [2020-12-23 16:04:34,159 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 [2020-12-23 16:04:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:35,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 16:04:35,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-12-23 16:04:35,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133444111] [2020-12-23 16:04:35,765 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:35,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952152592] [2020-12-23 16:04:35,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:04:35,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-12-23 16:04:35,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195340513] [2020-12-23 16:04:35,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:04:35,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:35,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:04:35,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:04:35,768 INFO L87 Difference]: Start difference. First operand 647 states and 784 transitions. Second operand 4 states. [2020-12-23 16:04:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:35,880 INFO L93 Difference]: Finished difference Result 1255 states and 1535 transitions. [2020-12-23 16:04:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:04:35,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 345 [2020-12-23 16:04:35,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:35,885 INFO L225 Difference]: With dead ends: 1255 [2020-12-23 16:04:35,885 INFO L226 Difference]: Without dead ends: 659 [2020-12-23 16:04:35,888 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 [2020-12-23 16:04:35,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-12-23 16:04:35,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2020-12-23 16:04:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-12-23 16:04:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 796 transitions. [2020-12-23 16:04:35,919 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 796 transitions. Word has length 345 [2020-12-23 16:04:35,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:35,919 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 796 transitions. [2020-12-23 16:04:35,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:04:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 796 transitions. [2020-12-23 16:04:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-12-23 16:04:35,924 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:35,924 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] [2020-12-23 16:04:36,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 16:04:36,140 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]=== [2020-12-23 16:04:36,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:36,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1649703700, now seen corresponding path program 2 times [2020-12-23 16:04:36,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:36,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372079472] [2020-12-23 16:04:36,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:36,168 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:36,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872664628] [2020-12-23 16:04:36,169 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 [2020-12-23 16:04:37,215 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 16:04:37,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:04:37,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 16:04:37,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 73 proven. 3 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2020-12-23 16:04:37,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372079472] [2020-12-23 16:04:37,799 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:37,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872664628] [2020-12-23 16:04:37,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:04:37,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-12-23 16:04:37,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660841655] [2020-12-23 16:04:37,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 16:04:37,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:37,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 16:04:37,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:04:37,801 INFO L87 Difference]: Start difference. First operand 659 states and 796 transitions. Second operand 5 states. [2020-12-23 16:04:37,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:37,921 INFO L93 Difference]: Finished difference Result 1278 states and 1558 transitions. [2020-12-23 16:04:37,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 16:04:37,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 347 [2020-12-23 16:04:37,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:37,926 INFO L225 Difference]: With dead ends: 1278 [2020-12-23 16:04:37,926 INFO L226 Difference]: Without dead ends: 671 [2020-12-23 16:04:37,927 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 [2020-12-23 16:04:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-12-23 16:04:37,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2020-12-23 16:04:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-12-23 16:04:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 808 transitions. [2020-12-23 16:04:37,953 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 808 transitions. Word has length 347 [2020-12-23 16:04:37,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:37,953 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 808 transitions. [2020-12-23 16:04:37,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 16:04:37,953 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 808 transitions. [2020-12-23 16:04:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-12-23 16:04:37,956 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:37,956 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] [2020-12-23 16:04:38,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 16:04:38,171 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]=== [2020-12-23 16:04:38,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:38,172 INFO L82 PathProgramCache]: Analyzing trace with hash 457445491, now seen corresponding path program 3 times [2020-12-23 16:04:38,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:38,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261746083] [2020-12-23 16:04:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:38,203 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:38,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239331552] [2020-12-23 16:04:38,204 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 [2020-12-23 16:04:38,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 16:04:38,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:04:39,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 16:04:39,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-12-23 16:04:39,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261746083] [2020-12-23 16:04:39,843 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:39,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239331552] [2020-12-23 16:04:39,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:39,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:04:39,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918512823] [2020-12-23 16:04:39,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:04:39,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:39,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:04:39,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:04:39,844 INFO L87 Difference]: Start difference. First operand 671 states and 808 transitions. Second operand 3 states. [2020-12-23 16:04:39,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:39,939 INFO L93 Difference]: Finished difference Result 1256 states and 1514 transitions. [2020-12-23 16:04:39,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:04:39,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2020-12-23 16:04:39,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:39,944 INFO L225 Difference]: With dead ends: 1256 [2020-12-23 16:04:39,944 INFO L226 Difference]: Without dead ends: 740 [2020-12-23 16:04:39,950 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 [2020-12-23 16:04:39,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-12-23 16:04:39,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 728. [2020-12-23 16:04:39,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-12-23 16:04:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 880 transitions. [2020-12-23 16:04:39,976 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 880 transitions. Word has length 349 [2020-12-23 16:04:39,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:39,976 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 880 transitions. [2020-12-23 16:04:39,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:04:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 880 transitions. [2020-12-23 16:04:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-12-23 16:04:39,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:39,980 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] [2020-12-23 16:04:40,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:40,194 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]=== [2020-12-23 16:04:40,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:40,195 INFO L82 PathProgramCache]: Analyzing trace with hash -2060178602, now seen corresponding path program 1 times [2020-12-23 16:04:40,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:40,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170800214] [2020-12-23 16:04:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:40,218 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:40,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331710966] [2020-12-23 16:04:40,219 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 [2020-12-23 16:04:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:41,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 16:04:41,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-12-23 16:04:41,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170800214] [2020-12-23 16:04:41,810 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:41,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331710966] [2020-12-23 16:04:41,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:04:41,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-12-23 16:04:41,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663410339] [2020-12-23 16:04:41,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 16:04:41,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:41,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 16:04:41,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 16:04:41,812 INFO L87 Difference]: Start difference. First operand 728 states and 880 transitions. Second operand 6 states. [2020-12-23 16:04:41,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:41,983 INFO L93 Difference]: Finished difference Result 1415 states and 1725 transitions. [2020-12-23 16:04:41,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 16:04:41,984 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 362 [2020-12-23 16:04:41,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:41,988 INFO L225 Difference]: With dead ends: 1415 [2020-12-23 16:04:41,988 INFO L226 Difference]: Without dead ends: 740 [2020-12-23 16:04:41,990 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 [2020-12-23 16:04:41,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-12-23 16:04:42,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2020-12-23 16:04:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-12-23 16:04:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 892 transitions. [2020-12-23 16:04:42,017 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 892 transitions. Word has length 362 [2020-12-23 16:04:42,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:42,017 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 892 transitions. [2020-12-23 16:04:42,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 16:04:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 892 transitions. [2020-12-23 16:04:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-12-23 16:04:42,021 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:42,021 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] [2020-12-23 16:04:42,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-23 16:04:42,236 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]=== [2020-12-23 16:04:42,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:42,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1507573012, now seen corresponding path program 2 times [2020-12-23 16:04:42,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:42,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792084513] [2020-12-23 16:04:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:42,268 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:42,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1272754973] [2020-12-23 16:04:42,268 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 [2020-12-23 16:04:43,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 16:04:43,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:04:43,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-23 16:04:43,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-12-23 16:04:43,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792084513] [2020-12-23 16:04:43,868 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:43,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272754973] [2020-12-23 16:04:43,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:04:43,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 16:04:43,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864655998] [2020-12-23 16:04:43,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 16:04:43,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:43,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 16:04:43,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 16:04:43,872 INFO L87 Difference]: Start difference. First operand 740 states and 892 transitions. Second operand 7 states. [2020-12-23 16:04:44,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:44,067 INFO L93 Difference]: Finished difference Result 1438 states and 1748 transitions. [2020-12-23 16:04:44,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 16:04:44,068 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 366 [2020-12-23 16:04:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:44,071 INFO L225 Difference]: With dead ends: 1438 [2020-12-23 16:04:44,072 INFO L226 Difference]: Without dead ends: 752 [2020-12-23 16:04:44,073 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 [2020-12-23 16:04:44,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-12-23 16:04:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2020-12-23 16:04:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-12-23 16:04:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 904 transitions. [2020-12-23 16:04:44,103 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 904 transitions. Word has length 366 [2020-12-23 16:04:44,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:44,103 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 904 transitions. [2020-12-23 16:04:44,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 16:04:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 904 transitions. [2020-12-23 16:04:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-12-23 16:04:44,107 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:44,108 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] [2020-12-23 16:04:44,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 16:04:44,323 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]=== [2020-12-23 16:04:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:44,324 INFO L82 PathProgramCache]: Analyzing trace with hash 823733142, now seen corresponding path program 3 times [2020-12-23 16:04:44,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:44,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848162427] [2020-12-23 16:04:44,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:44,356 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:44,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [555321463] [2020-12-23 16:04:44,357 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 [2020-12-23 16:04:45,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 16:04:45,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:04:45,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 16:04:45,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2020-12-23 16:04:45,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848162427] [2020-12-23 16:04:45,953 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:45,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555321463] [2020-12-23 16:04:45,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:04:45,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:04:45,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647252621] [2020-12-23 16:04:45,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:04:45,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:45,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:04:45,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:04:45,955 INFO L87 Difference]: Start difference. First operand 752 states and 904 transitions. Second operand 3 states. [2020-12-23 16:04:46,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:46,062 INFO L93 Difference]: Finished difference Result 1376 states and 1653 transitions. [2020-12-23 16:04:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:04:46,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2020-12-23 16:04:46,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:46,068 INFO L225 Difference]: With dead ends: 1376 [2020-12-23 16:04:46,068 INFO L226 Difference]: Without dead ends: 1027 [2020-12-23 16:04:46,070 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 [2020-12-23 16:04:46,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-12-23 16:04:46,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1015. [2020-12-23 16:04:46,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-12-23 16:04:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1222 transitions. [2020-12-23 16:04:46,105 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1222 transitions. Word has length 370 [2020-12-23 16:04:46,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:46,106 INFO L481 AbstractCegarLoop]: Abstraction has 1015 states and 1222 transitions. [2020-12-23 16:04:46,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:04:46,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1222 transitions. [2020-12-23 16:04:46,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2020-12-23 16:04:46,109 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:46,110 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] [2020-12-23 16:04:46,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 16:04:46,316 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]=== [2020-12-23 16:04:46,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:46,317 INFO L82 PathProgramCache]: Analyzing trace with hash -145231630, now seen corresponding path program 1 times [2020-12-23 16:04:46,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:46,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107024766] [2020-12-23 16:04:46,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:46,343 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:46,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326533749] [2020-12-23 16:04:46,343 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 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 [2020-12-23 16:04:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:04:47,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 16:04:47,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 73 proven. 15 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-12-23 16:04:48,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107024766] [2020-12-23 16:04:48,013 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:48,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326533749] [2020-12-23 16:04:48,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:04:48,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-12-23 16:04:48,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803663318] [2020-12-23 16:04:48,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 16:04:48,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:48,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 16:04:48,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 16:04:48,018 INFO L87 Difference]: Start difference. First operand 1015 states and 1222 transitions. Second operand 8 states. [2020-12-23 16:04:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:48,242 INFO L93 Difference]: Finished difference Result 1989 states and 2411 transitions. [2020-12-23 16:04:48,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 16:04:48,243 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 377 [2020-12-23 16:04:48,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:48,249 INFO L225 Difference]: With dead ends: 1989 [2020-12-23 16:04:48,249 INFO L226 Difference]: Without dead ends: 1029 [2020-12-23 16:04:48,251 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 [2020-12-23 16:04:48,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-12-23 16:04:48,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2020-12-23 16:04:48,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2020-12-23 16:04:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1236 transitions. [2020-12-23 16:04:48,296 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1236 transitions. Word has length 377 [2020-12-23 16:04:48,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:48,297 INFO L481 AbstractCegarLoop]: Abstraction has 1029 states and 1236 transitions. [2020-12-23 16:04:48,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 16:04:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1236 transitions. [2020-12-23 16:04:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-12-23 16:04:48,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:48,302 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] [2020-12-23 16:04:48,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:48,517 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]=== [2020-12-23 16:04:48,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:48,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1700907916, now seen corresponding path program 2 times [2020-12-23 16:04:48,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:48,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077924903] [2020-12-23 16:04:48,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:48,550 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:48,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [695178144] [2020-12-23 16:04:48,551 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 [2020-12-23 16:04:49,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 16:04:49,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:04:49,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-23 16:04:49,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:04:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 73 proven. 21 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-12-23 16:04:50,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077924903] [2020-12-23 16:04:50,509 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:04:50,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695178144] [2020-12-23 16:04:50,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:04:50,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 16:04:50,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971343327] [2020-12-23 16:04:50,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 16:04:50,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:04:50,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 16:04:50,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-12-23 16:04:50,511 INFO L87 Difference]: Start difference. First operand 1029 states and 1236 transitions. Second operand 9 states. [2020-12-23 16:04:50,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:04:50,745 INFO L93 Difference]: Finished difference Result 2016 states and 2438 transitions. [2020-12-23 16:04:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 16:04:50,746 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 381 [2020-12-23 16:04:50,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:04:50,751 INFO L225 Difference]: With dead ends: 2016 [2020-12-23 16:04:50,751 INFO L226 Difference]: Without dead ends: 1043 [2020-12-23 16:04:50,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-12-23 16:04:50,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2020-12-23 16:04:50,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2020-12-23 16:04:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2020-12-23 16:04:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1250 transitions. [2020-12-23 16:04:50,795 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1250 transitions. Word has length 381 [2020-12-23 16:04:50,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:04:50,795 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1250 transitions. [2020-12-23 16:04:50,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 16:04:50,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1250 transitions. [2020-12-23 16:04:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-12-23 16:04:50,799 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:04:50,800 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] [2020-12-23 16:04:51,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:04:51,013 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]=== [2020-12-23 16:04:51,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:04:51,014 INFO L82 PathProgramCache]: Analyzing trace with hash -336611150, now seen corresponding path program 3 times [2020-12-23 16:04:51,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:04:51,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456795314] [2020-12-23 16:04:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:04:51,039 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:04:51,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510134354] [2020-12-23 16:04:51,039 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