/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/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 01:21:27,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 01:21:27,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 01:21:27,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 01:21:27,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 01:21:27,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 01:21:27,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 01:21:27,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 01:21:27,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 01:21:27,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 01:21:27,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 01:21:27,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 01:21:27,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 01:21:27,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 01:21:27,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 01:21:27,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 01:21:27,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 01:21:27,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 01:21:27,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 01:21:27,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 01:21:27,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 01:21:27,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 01:21:27,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 01:21:27,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 01:21:27,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 01:21:27,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 01:21:27,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 01:21:27,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 01:21:27,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 01:21:27,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 01:21:27,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 01:21:27,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 01:21:27,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 01:21:27,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 01:21:27,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 01:21:27,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 01:21:27,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 01:21:27,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 01:21:27,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 01:21:27,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 01:21:27,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 01:21:27,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-07 01:21:27,595 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 01:21:27,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 01:21:27,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 01:21:27,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 01:21:27,597 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 01:21:27,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 01:21:27,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 01:21:27,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 01:21:27,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 01:21:27,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 01:21:27,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 01:21:27,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 01:21:27,599 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 01:21:27,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 01:21:27,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 01:21:27,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 01:21:27,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 01:21:27,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 01:21:27,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 01:21:27,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 01:21:27,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 01:21:27,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 01:21:27,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 01:21:27,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 01:21:27,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 01:21:27,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 01:21:27,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 01:21:27,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 01:21:27,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 01:21:27,991 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 01:21:27,992 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 01:21:27,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2021-01-07 01:21:28,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/959f37d2d/63b7371e1c6649a0a8e9857d0d8ffe28/FLAG5c96aea09 [2021-01-07 01:21:29,198 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 01:21:29,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2021-01-07 01:21:29,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/959f37d2d/63b7371e1c6649a0a8e9857d0d8ffe28/FLAG5c96aea09 [2021-01-07 01:21:29,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/959f37d2d/63b7371e1c6649a0a8e9857d0d8ffe28 [2021-01-07 01:21:29,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 01:21:29,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 01:21:29,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 01:21:29,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 01:21:29,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 01:21:29,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 01:21:29" (1/1) ... [2021-01-07 01:21:29,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0d9f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:29, skipping insertion in model container [2021-01-07 01:21:29,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 01:21:29" (1/1) ... [2021-01-07 01:21:29,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 01:21:29,783 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~sz~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~n,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~n,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[214],StructAccessExpression[IdentifierExpression[~skb,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~p~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] [2021-01-07 01:21:30,725 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/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i[158694,158707] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__ret_warn_on~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~skb,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[129],StructAccessExpression[IdentifierExpression[~skb,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~dev~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~dev~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sl~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~dev~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~sl~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~dev~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x25_asy_devs~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~x25_asy_devs~0,GLOBAL],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IfThenElseExpression[BinaryExpression[COMPLEQ,BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~i~0,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],IntegerLiteral[9223372036854775807]],BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~i~0,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~i~0,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]]]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[100],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sl~1,] left hand side expression in assignment: lhs: VariableLHS[~len~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~xbuff~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~rbuff~0,] left hand side expression in assignment: lhs: VariableLHS[~__ret~0,] left hand side expression in assignment: lhs: VariableLHS[~xbuff~0,] left hand side expression in assignment: lhs: VariableLHS[~__len~0,] left hand side expression in assignment: lhs: VariableLHS[~__ret___0~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[316],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[108],StructAccessExpression[IdentifierExpression[~sl~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~__ret___1~0,] left hand side expression in assignment: lhs: VariableLHS[~rbuff~0,] left hand side expression in assignment: lhs: VariableLHS[~__len___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__ret___2~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[348],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[528],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[120],StructAccessExpression[IdentifierExpression[~sl~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~dev~1,] left hand side expression in assignment: lhs: VariableLHS[~count~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[276],StructAccessExpression[IdentifierExpression[~dev~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~skb~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[308],StructAccessExpression[IdentifierExpression[~dev~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~__len~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__ret~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[134],StructAccessExpression[IdentifierExpression[~skb~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~err~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[260],StructAccessExpression[IdentifierExpression[~dev~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~mtu~0,] left hand side expression in assignment: lhs: VariableLHS[~len,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem162,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[316],StructAccessExpression[IdentifierExpression[#t~mem162,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~p~2,] left hand side expression in assignment: lhs: VariableLHS[~count~1,] left hand side expression in assignment: lhs: VariableLHS[~actual~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[108],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~sl~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem187,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[268],StructAccessExpression[IdentifierExpression[#t~mem187,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~actual~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~2,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~2,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~2,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[108],StructAccessExpression[IdentifierExpression[~sl~2,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sl~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~3,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~3,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~sl~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~err~1,] left hand side expression in assignment: lhs: VariableLHS[~err~1,] left hand side expression in assignment: lhs: VariableLHS[~err~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~sl~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~11,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[284],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sl~6,] left hand side expression in assignment: lhs: VariableLHS[~skb~1,] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] left hand side expression in assignment: address: IdentifierExpression[~ptr~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[134],StructAccessExpression[IdentifierExpression[~skb~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~sl~7,] left hand side expression in assignment: lhs: VariableLHS[~skb~2,] left hand side expression in assignment: lhs: VariableLHS[~ptr~1,] left hand side expression in assignment: address: IdentifierExpression[~ptr~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb~2,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[134],StructAccessExpression[IdentifierExpression[~skb~2,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~sl~8,] left hand side expression in assignment: lhs: VariableLHS[~len~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~12,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[100],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[120],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[124],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~err~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~sl~9,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~9,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl~9,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~9,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~9,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~sl~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~27,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~fp,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem281,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[292],StructAccessExpression[IdentifierExpression[#t~mem281,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~cp,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~cp,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~sl~11,] left hand side expression in assignment: lhs: VariableLHS[~sl~11,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~11,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~sl~11,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tty,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1509],StructAccessExpression[IdentifierExpression[~tty,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tty,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1237],StructAccessExpression[IdentifierExpression[~tty,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem291,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[532],StructAccessExpression[IdentifierExpression[#t~mem291,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~err~3,] left hand side expression in assignment: lhs: VariableLHS[~sl~12,] left hand side expression in assignment: lhs: VariableLHS[~err~4,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tty,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1509],StructAccessExpression[IdentifierExpression[~tty,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~12,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~sl~12,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~28,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp~28,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~14,] left hand side expression in assignment: lhs: VariableLHS[~s,] left hand side expression in assignment: lhs: VariableLHS[~c~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~len,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~29,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~15,] left hand side expression in assignment: lhs: VariableLHS[~s,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem317,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem317,],offset],IfThenElseExpression[BinaryExpression[COMPLEQ,BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~tmp___1~8,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],IntegerLiteral[9223372036854775807]],BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~tmp___1~8,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~tmp___1~8,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem318,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[348],StructAccessExpression[IdentifierExpression[#t~mem318,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~sl~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~30,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~31,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~32,] left hand side expression in assignment: lhs: VariableLHS[~sl~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~33,] left hand side expression in assignment: lhs: VariableLHS[~sl~15,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~15,],base],StructAccessExpression[IdentifierExpression[~sl~15,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~15,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~sl~15,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[528],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[480],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1009],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[534],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[573],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[532],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[909],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[512],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_maxdev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~34,] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_devs~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~18,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~dev~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~35,] left hand side expression in assignment: lhs: VariableLHS[~sl~16,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~36,] left hand side expression in assignment: lhs: VariableLHS[~x25_ldisc_group1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~37,] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_callbacks_group1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~19,] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_callbacks_group0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~38,] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_netdev_ops_group1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~39,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~20,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~10,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~2,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~2,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~1,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~1,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~1,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg13~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~40,] left hand side expression in assignment: lhs: VariableLHS[~ldv_func_res~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~41,] left hand side expression in assignment: lhs: VariableLHS[~tmp~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~44,] left hand side expression in assignment: lhs: VariableLHS[~tmp~45,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~set,] left hand side expression in assignment: lhs: VariableLHS[~last_index~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~set_impl~0,GLOBAL],[IdentifierExpression[~last_index~0,GLOBAL]]] left hand side expression in assignment: lhs: VariableLHS[~last_index~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~deleted_index~0,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~deleted_index~0,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~set_impl~0,GLOBAL],[BinaryExpression[ARITHMINUS,IdentifierExpression[~i~3,],IntegerLiteral[1]]]] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~last_index~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~4,] left hand side expression in assignment: lhs: VariableLHS[~i~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~3,] left hand side expression in assignment: lhs: VariableLHS[~skb~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~4,] left hand side expression in assignment: lhs: VariableLHS[~skb~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~7,] [2021-01-07 01:21:31,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 01:21:31,468 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~sz~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~n,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~n,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[214],StructAccessExpression[IdentifierExpression[~skb,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~p~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] [2021-01-07 01:21:31,655 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/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i[158694,158707] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__ret_warn_on~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~skb,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[129],StructAccessExpression[IdentifierExpression[~skb,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~dev~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~dev~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sl~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~dev~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~sl~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~dev~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~x25_asy_devs~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~x25_asy_devs~0,GLOBAL],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IfThenElseExpression[BinaryExpression[COMPLEQ,BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~i~0,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],IntegerLiteral[9223372036854775807]],BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~i~0,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~i~0,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]]]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[100],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sl~1,] left hand side expression in assignment: lhs: VariableLHS[~len~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~xbuff~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~rbuff~0,] left hand side expression in assignment: lhs: VariableLHS[~__ret~0,] left hand side expression in assignment: lhs: VariableLHS[~xbuff~0,] left hand side expression in assignment: lhs: VariableLHS[~__len~0,] left hand side expression in assignment: lhs: VariableLHS[~__ret___0~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[316],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[108],StructAccessExpression[IdentifierExpression[~sl~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~__ret___1~0,] left hand side expression in assignment: lhs: VariableLHS[~rbuff~0,] left hand side expression in assignment: lhs: VariableLHS[~__len___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__ret___2~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[348],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[528],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[120],StructAccessExpression[IdentifierExpression[~sl~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~dev~1,] left hand side expression in assignment: lhs: VariableLHS[~count~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[276],StructAccessExpression[IdentifierExpression[~dev~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~skb~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[308],StructAccessExpression[IdentifierExpression[~dev~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~__len~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__ret~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[134],StructAccessExpression[IdentifierExpression[~skb~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~err~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[260],StructAccessExpression[IdentifierExpression[~dev~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~mtu~0,] left hand side expression in assignment: lhs: VariableLHS[~len,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem162,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[316],StructAccessExpression[IdentifierExpression[#t~mem162,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~p~2,] left hand side expression in assignment: lhs: VariableLHS[~count~1,] left hand side expression in assignment: lhs: VariableLHS[~actual~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[108],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~sl~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem187,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[268],StructAccessExpression[IdentifierExpression[#t~mem187,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~actual~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~2,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~2,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~2,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[108],StructAccessExpression[IdentifierExpression[~sl~2,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sl~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~3,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~3,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~sl~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~err~1,] left hand side expression in assignment: lhs: VariableLHS[~err~1,] left hand side expression in assignment: lhs: VariableLHS[~err~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~sl~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~11,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[284],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sl~6,] left hand side expression in assignment: lhs: VariableLHS[~skb~1,] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] left hand side expression in assignment: address: IdentifierExpression[~ptr~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[134],StructAccessExpression[IdentifierExpression[~skb~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~sl~7,] left hand side expression in assignment: lhs: VariableLHS[~skb~2,] left hand side expression in assignment: lhs: VariableLHS[~ptr~1,] left hand side expression in assignment: address: IdentifierExpression[~ptr~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~skb~2,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[134],StructAccessExpression[IdentifierExpression[~skb~2,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~sl~8,] left hand side expression in assignment: lhs: VariableLHS[~len~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~12,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[100],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[120],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~8,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[124],StructAccessExpression[IdentifierExpression[~sl~8,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~err~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~sl~9,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~9,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl~9,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~9,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~sl~9,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~sl~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~27,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~fp,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem281,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[292],StructAccessExpression[IdentifierExpression[#t~mem281,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~cp,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~cp,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~sl~11,] left hand side expression in assignment: lhs: VariableLHS[~sl~11,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~11,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~sl~11,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tty,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1509],StructAccessExpression[IdentifierExpression[~tty,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tty,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1237],StructAccessExpression[IdentifierExpression[~tty,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem291,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[532],StructAccessExpression[IdentifierExpression[#t~mem291,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~err~3,] left hand side expression in assignment: lhs: VariableLHS[~sl~12,] left hand side expression in assignment: lhs: VariableLHS[~err~4,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tty,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1509],StructAccessExpression[IdentifierExpression[~tty,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~12,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~sl~12,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~28,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp~28,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~14,] left hand side expression in assignment: lhs: VariableLHS[~s,] left hand side expression in assignment: lhs: VariableLHS[~c~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~len,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~ptr~2,] left hand side expression in assignment: address: IdentifierExpression[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~29,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~15,] left hand side expression in assignment: lhs: VariableLHS[~s,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~sl,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem317,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem317,],offset],IfThenElseExpression[BinaryExpression[COMPLEQ,BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~tmp___1~8,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],IntegerLiteral[9223372036854775807]],BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~tmp___1~8,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMOD,BinaryExpression[ARITHMOD,IdentifierExpression[~tmp___1~8,],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]],IntegerLiteral[18446744073709551616]]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem318,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[348],StructAccessExpression[IdentifierExpression[#t~mem318,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~sl~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~30,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~31,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~32,] left hand side expression in assignment: lhs: VariableLHS[~sl~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~33,] left hand side expression in assignment: lhs: VariableLHS[~sl~15,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~15,],base],StructAccessExpression[IdentifierExpression[~sl~15,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~sl~15,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~sl~15,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[528],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[480],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1009],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[534],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[573],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[532],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[909],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dev,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[512],StructAccessExpression[IdentifierExpression[~dev,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_maxdev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~34,] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_devs~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~18,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~dev~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~35,] left hand side expression in assignment: lhs: VariableLHS[~sl~16,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~36,] left hand side expression in assignment: lhs: VariableLHS[~x25_ldisc_group1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~37,] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_callbacks_group1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~19,] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_callbacks_group0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~38,] left hand side expression in assignment: lhs: VariableLHS[~x25_asy_netdev_ops_group1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~39,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~20,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~10,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~2,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~2,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~1,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~1,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~1,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg13~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~40,] left hand side expression in assignment: lhs: VariableLHS[~ldv_func_res~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~41,] left hand side expression in assignment: lhs: VariableLHS[~tmp~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~44,] left hand side expression in assignment: lhs: VariableLHS[~tmp~45,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~set,] left hand side expression in assignment: lhs: VariableLHS[~last_index~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#set_impl~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#set_impl~0,GLOBAL],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IdentifierExpression[~last_index~0,GLOBAL]]]]] left hand side expression in assignment: lhs: VariableLHS[~last_index~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~deleted_index~0,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~deleted_index~0,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#set_impl~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#set_impl~0,GLOBAL],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],BinaryExpression[ARITHMINUS,IdentifierExpression[~i~3,],IntegerLiteral[1]]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~last_index~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~4,] left hand side expression in assignment: lhs: VariableLHS[~i~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~3,] left hand side expression in assignment: lhs: VariableLHS[~skb~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~4,] left hand side expression in assignment: lhs: VariableLHS[~skb~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~7,] [2021-01-07 01:21:31,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 01:21:32,184 INFO L208 MainTranslator]: Completed translation [2021-01-07 01:21:32,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32 WrapperNode [2021-01-07 01:21:32,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 01:21:32,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 01:21:32,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 01:21:32,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 01:21:32,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 01:21:32,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 01:21:32,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 01:21:32,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 01:21:32,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... [2021-01-07 01:21:32,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 01:21:32,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 01:21:32,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 01:21:32,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 01:21:32,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 01:21:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-01-07 01:21:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-01-07 01:21:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-01-07 01:21:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-01-07 01:21:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 01:21:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 01:21:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 01:21:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 01:21:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 01:21:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 01:21:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 01:21:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-01-07 01:21:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 01:21:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-01-07 01:21:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 01:21:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 01:21:39,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 01:21:39,471 INFO L299 CfgBuilder]: Removed 1048 assume(true) statements. [2021-01-07 01:21:39,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 01:21:39 BoogieIcfgContainer [2021-01-07 01:21:39,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 01:21:39,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 01:21:39,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 01:21:39,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 01:21:39,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 01:21:29" (1/3) ... [2021-01-07 01:21:39,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb92a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 01:21:39, skipping insertion in model container [2021-01-07 01:21:39,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 01:21:32" (2/3) ... [2021-01-07 01:21:39,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb92a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 01:21:39, skipping insertion in model container [2021-01-07 01:21:39,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 01:21:39" (3/3) ... [2021-01-07 01:21:39,486 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2021-01-07 01:21:39,493 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 01:21:39,499 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-07 01:21:39,519 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-07 01:21:39,559 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 01:21:39,560 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 01:21:39,560 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 01:21:39,560 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 01:21:39,560 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 01:21:39,560 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 01:21:39,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 01:21:39,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 01:21:39,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states. [2021-01-07 01:21:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-07 01:21:39,607 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:39,608 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] [2021-01-07 01:21:39,608 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:39,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:39,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1191082698, now seen corresponding path program 1 times [2021-01-07 01:21:39,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:39,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936234018] [2021-01-07 01:21:39,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 01:21:40,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936234018] [2021-01-07 01:21:40,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:40,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 01:21:40,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95694545] [2021-01-07 01:21:40,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 01:21:40,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:40,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 01:21:40,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:40,214 INFO L87 Difference]: Start difference. First operand 1019 states. Second operand 3 states. [2021-01-07 01:21:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:40,583 INFO L93 Difference]: Finished difference Result 2969 states and 4469 transitions. [2021-01-07 01:21:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 01:21:40,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-01-07 01:21:40,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:40,622 INFO L225 Difference]: With dead ends: 2969 [2021-01-07 01:21:40,622 INFO L226 Difference]: Without dead ends: 1941 [2021-01-07 01:21:40,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:40,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2021-01-07 01:21:40,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1941. [2021-01-07 01:21:40,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2021-01-07 01:21:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2691 transitions. [2021-01-07 01:21:40,859 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2691 transitions. Word has length 27 [2021-01-07 01:21:40,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:40,860 INFO L481 AbstractCegarLoop]: Abstraction has 1941 states and 2691 transitions. [2021-01-07 01:21:40,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 01:21:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2691 transitions. [2021-01-07 01:21:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-07 01:21:40,869 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:40,870 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] [2021-01-07 01:21:40,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 01:21:40,870 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:40,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:40,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1908761624, now seen corresponding path program 1 times [2021-01-07 01:21:40,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:40,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728369599] [2021-01-07 01:21:40,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:40,973 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:21:40,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260261173] [2021-01-07 01:21:40,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:41,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-07 01:21:41,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:21:41,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 01:21:41,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728369599] [2021-01-07 01:21:41,847 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:21:41,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260261173] [2021-01-07 01:21:41,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:41,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 01:21:41,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806151305] [2021-01-07 01:21:41,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 01:21:41,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:41,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 01:21:41,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:41,850 INFO L87 Difference]: Start difference. First operand 1941 states and 2691 transitions. Second operand 3 states. [2021-01-07 01:21:41,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:41,951 INFO L93 Difference]: Finished difference Result 3854 states and 5349 transitions. [2021-01-07 01:21:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 01:21:41,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-01-07 01:21:41,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:41,963 INFO L225 Difference]: With dead ends: 3854 [2021-01-07 01:21:41,963 INFO L226 Difference]: Without dead ends: 1941 [2021-01-07 01:21:41,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:41,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2021-01-07 01:21:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1941. [2021-01-07 01:21:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2021-01-07 01:21:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2690 transitions. [2021-01-07 01:21:42,050 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2690 transitions. Word has length 33 [2021-01-07 01:21:42,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:42,051 INFO L481 AbstractCegarLoop]: Abstraction has 1941 states and 2690 transitions. [2021-01-07 01:21:42,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 01:21:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2690 transitions. [2021-01-07 01:21:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-07 01:21:42,053 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:42,053 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] [2021-01-07 01:21:42,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-01-07 01:21:42,269 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:42,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:42,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1321955610, now seen corresponding path program 1 times [2021-01-07 01:21:42,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:42,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940174342] [2021-01-07 01:21:42,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:42,308 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:21:42,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1761495262] [2021-01-07 01:21:42,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:42,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-07 01:21:42,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:21:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 01:21:42,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940174342] [2021-01-07 01:21:42,986 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:21:42,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761495262] [2021-01-07 01:21:42,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:42,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 01:21:42,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233687475] [2021-01-07 01:21:42,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 01:21:42,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:42,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 01:21:42,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:21:42,988 INFO L87 Difference]: Start difference. First operand 1941 states and 2690 transitions. Second operand 5 states. [2021-01-07 01:21:43,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:43,736 INFO L93 Difference]: Finished difference Result 5765 states and 8003 transitions. [2021-01-07 01:21:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 01:21:43,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-07 01:21:43,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:43,758 INFO L225 Difference]: With dead ends: 5765 [2021-01-07 01:21:43,758 INFO L226 Difference]: Without dead ends: 3833 [2021-01-07 01:21:43,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-07 01:21:43,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2021-01-07 01:21:43,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3681. [2021-01-07 01:21:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3681 states. [2021-01-07 01:21:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 5115 transitions. [2021-01-07 01:21:43,914 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 5115 transitions. Word has length 33 [2021-01-07 01:21:43,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:43,914 INFO L481 AbstractCegarLoop]: Abstraction has 3681 states and 5115 transitions. [2021-01-07 01:21:43,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 01:21:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 5115 transitions. [2021-01-07 01:21:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-07 01:21:43,920 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:43,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:21:44,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:44,134 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:44,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:44,135 INFO L82 PathProgramCache]: Analyzing trace with hash -148593795, now seen corresponding path program 1 times [2021-01-07 01:21:44,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:44,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858999337] [2021-01-07 01:21:44,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 01:21:44,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858999337] [2021-01-07 01:21:44,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:44,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 01:21:44,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563203825] [2021-01-07 01:21:44,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 01:21:44,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:44,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 01:21:44,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:44,290 INFO L87 Difference]: Start difference. First operand 3681 states and 5115 transitions. Second operand 3 states. [2021-01-07 01:21:44,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:44,621 INFO L93 Difference]: Finished difference Result 9529 states and 13314 transitions. [2021-01-07 01:21:44,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 01:21:44,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-01-07 01:21:44,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:44,651 INFO L225 Difference]: With dead ends: 9529 [2021-01-07 01:21:44,651 INFO L226 Difference]: Without dead ends: 5876 [2021-01-07 01:21:44,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:44,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5876 states. [2021-01-07 01:21:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5876 to 5855. [2021-01-07 01:21:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5855 states. [2021-01-07 01:21:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5855 states to 5855 states and 8205 transitions. [2021-01-07 01:21:44,896 INFO L78 Accepts]: Start accepts. Automaton has 5855 states and 8205 transitions. Word has length 53 [2021-01-07 01:21:44,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:44,896 INFO L481 AbstractCegarLoop]: Abstraction has 5855 states and 8205 transitions. [2021-01-07 01:21:44,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 01:21:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 5855 states and 8205 transitions. [2021-01-07 01:21:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-07 01:21:44,901 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:44,902 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:21:44,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-07 01:21:44,902 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:44,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:44,903 INFO L82 PathProgramCache]: Analyzing trace with hash 836191375, now seen corresponding path program 1 times [2021-01-07 01:21:44,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:44,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113928329] [2021-01-07 01:21:44,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 01:21:45,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113928329] [2021-01-07 01:21:45,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:45,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 01:21:45,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098494567] [2021-01-07 01:21:45,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 01:21:45,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:45,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 01:21:45,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:45,053 INFO L87 Difference]: Start difference. First operand 5855 states and 8205 transitions. Second operand 3 states. [2021-01-07 01:21:45,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:45,465 INFO L93 Difference]: Finished difference Result 15443 states and 21659 transitions. [2021-01-07 01:21:45,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 01:21:45,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-07 01:21:45,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:45,516 INFO L225 Difference]: With dead ends: 15443 [2021-01-07 01:21:45,516 INFO L226 Difference]: Without dead ends: 9616 [2021-01-07 01:21:45,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:45,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9616 states. [2021-01-07 01:21:45,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9616 to 9581. [2021-01-07 01:21:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9581 states. [2021-01-07 01:21:46,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9581 states to 9581 states and 13442 transitions. [2021-01-07 01:21:46,011 INFO L78 Accepts]: Start accepts. Automaton has 9581 states and 13442 transitions. Word has length 57 [2021-01-07 01:21:46,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:46,012 INFO L481 AbstractCegarLoop]: Abstraction has 9581 states and 13442 transitions. [2021-01-07 01:21:46,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 01:21:46,012 INFO L276 IsEmpty]: Start isEmpty. Operand 9581 states and 13442 transitions. [2021-01-07 01:21:46,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-07 01:21:46,020 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:46,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:21:46,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-07 01:21:46,021 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:46,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:46,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1796362686, now seen corresponding path program 1 times [2021-01-07 01:21:46,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:46,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071314606] [2021-01-07 01:21:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 01:21:46,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071314606] [2021-01-07 01:21:46,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:46,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 01:21:46,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550379300] [2021-01-07 01:21:46,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 01:21:46,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:46,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 01:21:46,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:46,137 INFO L87 Difference]: Start difference. First operand 9581 states and 13442 transitions. Second operand 3 states. [2021-01-07 01:21:46,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:46,731 INFO L93 Difference]: Finished difference Result 24423 states and 34142 transitions. [2021-01-07 01:21:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 01:21:46,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-07 01:21:46,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:46,790 INFO L225 Difference]: With dead ends: 24423 [2021-01-07 01:21:46,791 INFO L226 Difference]: Without dead ends: 14870 [2021-01-07 01:21:46,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:46,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14870 states. [2021-01-07 01:21:47,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14870 to 14805. [2021-01-07 01:21:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14805 states. [2021-01-07 01:21:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14805 states to 14805 states and 20642 transitions. [2021-01-07 01:21:47,413 INFO L78 Accepts]: Start accepts. Automaton has 14805 states and 20642 transitions. Word has length 68 [2021-01-07 01:21:47,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:47,413 INFO L481 AbstractCegarLoop]: Abstraction has 14805 states and 20642 transitions. [2021-01-07 01:21:47,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 01:21:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 14805 states and 20642 transitions. [2021-01-07 01:21:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-07 01:21:47,420 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:47,421 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-01-07 01:21:47,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-07 01:21:47,421 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:47,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:47,422 INFO L82 PathProgramCache]: Analyzing trace with hash 139183937, now seen corresponding path program 1 times [2021-01-07 01:21:47,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:47,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604475150] [2021-01-07 01:21:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:47,453 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:21:47,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503171770] [2021-01-07 01:21:47,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:47,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 01:21:47,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:21:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-07 01:21:48,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604475150] [2021-01-07 01:21:48,024 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:21:48,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503171770] [2021-01-07 01:21:48,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:48,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 01:21:48,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138131402] [2021-01-07 01:21:48,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 01:21:48,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:48,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 01:21:48,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 01:21:48,027 INFO L87 Difference]: Start difference. First operand 14805 states and 20642 transitions. Second operand 4 states. [2021-01-07 01:21:48,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:48,825 INFO L93 Difference]: Finished difference Result 29635 states and 41327 transitions. [2021-01-07 01:21:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 01:21:48,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2021-01-07 01:21:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:48,859 INFO L225 Difference]: With dead ends: 29635 [2021-01-07 01:21:48,859 INFO L226 Difference]: Without dead ends: 14834 [2021-01-07 01:21:48,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:21:48,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14834 states. [2021-01-07 01:21:49,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14834 to 14808. [2021-01-07 01:21:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14808 states. [2021-01-07 01:21:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14808 states to 14808 states and 20637 transitions. [2021-01-07 01:21:49,332 INFO L78 Accepts]: Start accepts. Automaton has 14808 states and 20637 transitions. Word has length 70 [2021-01-07 01:21:49,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:49,332 INFO L481 AbstractCegarLoop]: Abstraction has 14808 states and 20637 transitions. [2021-01-07 01:21:49,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 01:21:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 14808 states and 20637 transitions. [2021-01-07 01:21:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-07 01:21:49,342 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:49,342 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-01-07 01:21:49,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:49,556 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:49,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1015277715, now seen corresponding path program 1 times [2021-01-07 01:21:49,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:49,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652133043] [2021-01-07 01:21:49,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:49,592 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:21:49,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683910676] [2021-01-07 01:21:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:50,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 01:21:50,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:21:50,359 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 01:21:50,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652133043] [2021-01-07 01:21:50,359 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:21:50,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683910676] [2021-01-07 01:21:50,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:50,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 01:21:50,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244134948] [2021-01-07 01:21:50,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 01:21:50,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:50,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 01:21:50,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 01:21:50,362 INFO L87 Difference]: Start difference. First operand 14808 states and 20637 transitions. Second operand 4 states. [2021-01-07 01:21:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:50,846 INFO L93 Difference]: Finished difference Result 14829 states and 20660 transitions. [2021-01-07 01:21:50,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 01:21:50,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2021-01-07 01:21:50,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:50,879 INFO L225 Difference]: With dead ends: 14829 [2021-01-07 01:21:50,879 INFO L226 Difference]: Without dead ends: 14821 [2021-01-07 01:21:50,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 01:21:50,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14821 states. [2021-01-07 01:21:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14821 to 14809. [2021-01-07 01:21:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14809 states. [2021-01-07 01:21:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 20638 transitions. [2021-01-07 01:21:51,290 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 20638 transitions. Word has length 71 [2021-01-07 01:21:51,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:51,291 INFO L481 AbstractCegarLoop]: Abstraction has 14809 states and 20638 transitions. [2021-01-07 01:21:51,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 01:21:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 20638 transitions. [2021-01-07 01:21:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-07 01:21:51,299 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:51,300 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-01-07 01:21:51,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:51,513 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:51,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:51,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2032495438, now seen corresponding path program 1 times [2021-01-07 01:21:51,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:51,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540621750] [2021-01-07 01:21:51,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:51,547 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:21:51,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656052025] [2021-01-07 01:21:51,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:52,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 01:21:52,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:21:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 01:21:52,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540621750] [2021-01-07 01:21:52,382 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:21:52,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656052025] [2021-01-07 01:21:52,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:21:52,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 01:21:52,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651357025] [2021-01-07 01:21:52,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 01:21:52,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:52,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 01:21:52,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:21:52,385 INFO L87 Difference]: Start difference. First operand 14809 states and 20638 transitions. Second operand 5 states. [2021-01-07 01:21:52,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:52,937 INFO L93 Difference]: Finished difference Result 14842 states and 20675 transitions. [2021-01-07 01:21:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 01:21:52,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2021-01-07 01:21:52,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:52,976 INFO L225 Difference]: With dead ends: 14842 [2021-01-07 01:21:52,976 INFO L226 Difference]: Without dead ends: 14834 [2021-01-07 01:21:52,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:21:52,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14834 states. [2021-01-07 01:21:53,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14834 to 14822. [2021-01-07 01:21:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14822 states. [2021-01-07 01:21:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14822 states to 14822 states and 20653 transitions. [2021-01-07 01:21:53,672 INFO L78 Accepts]: Start accepts. Automaton has 14822 states and 20653 transitions. Word has length 75 [2021-01-07 01:21:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:53,672 INFO L481 AbstractCegarLoop]: Abstraction has 14822 states and 20653 transitions. [2021-01-07 01:21:53,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 01:21:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 14822 states and 20653 transitions. [2021-01-07 01:21:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-07 01:21:53,681 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:53,681 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:21:53,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:53,895 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:53,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:53,896 INFO L82 PathProgramCache]: Analyzing trace with hash -594566109, now seen corresponding path program 1 times [2021-01-07 01:21:53,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:53,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90075926] [2021-01-07 01:21:53,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:53,938 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:21:53,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028102301] [2021-01-07 01:21:53,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:21:54,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-07 01:21:54,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:21:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-07 01:21:54,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90075926] [2021-01-07 01:21:54,561 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:21:54,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028102301] [2021-01-07 01:21:54,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:54,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 01:21:54,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315758429] [2021-01-07 01:21:54,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 01:21:54,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:54,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 01:21:54,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:54,563 INFO L87 Difference]: Start difference. First operand 14822 states and 20653 transitions. Second operand 3 states. [2021-01-07 01:21:54,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:54,984 INFO L93 Difference]: Finished difference Result 22130 states and 30869 transitions. [2021-01-07 01:21:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 01:21:54,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-07 01:21:54,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:55,001 INFO L225 Difference]: With dead ends: 22130 [2021-01-07 01:21:55,001 INFO L226 Difference]: Without dead ends: 7319 [2021-01-07 01:21:55,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:21:55,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7319 states. [2021-01-07 01:21:55,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7319 to 7319. [2021-01-07 01:21:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7319 states. [2021-01-07 01:21:55,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7319 states to 7319 states and 10191 transitions. [2021-01-07 01:21:55,225 INFO L78 Accepts]: Start accepts. Automaton has 7319 states and 10191 transitions. Word has length 77 [2021-01-07 01:21:55,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:55,225 INFO L481 AbstractCegarLoop]: Abstraction has 7319 states and 10191 transitions. [2021-01-07 01:21:55,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 01:21:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 7319 states and 10191 transitions. [2021-01-07 01:21:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-07 01:21:55,232 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:55,232 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-07 01:21:55,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:55,449 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:55,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:55,449 INFO L82 PathProgramCache]: Analyzing trace with hash 800069969, now seen corresponding path program 2 times [2021-01-07 01:21:55,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:55,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956806695] [2021-01-07 01:21:55,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:55,518 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:21:55,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677408078] [2021-01-07 01:21:55,521 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:56,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 01:21:56,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:21:56,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 01:21:56,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:21:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 01:21:56,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956806695] [2021-01-07 01:21:56,453 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:21:56,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677408078] [2021-01-07 01:21:56,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:21:56,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 01:21:56,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640217219] [2021-01-07 01:21:56,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-07 01:21:56,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:56,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-07 01:21:56,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 01:21:56,455 INFO L87 Difference]: Start difference. First operand 7319 states and 10191 transitions. Second operand 6 states. [2021-01-07 01:21:56,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:56,881 INFO L93 Difference]: Finished difference Result 7352 states and 10228 transitions. [2021-01-07 01:21:56,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-07 01:21:56,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2021-01-07 01:21:56,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:56,895 INFO L225 Difference]: With dead ends: 7352 [2021-01-07 01:21:56,895 INFO L226 Difference]: Without dead ends: 7344 [2021-01-07 01:21:56,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-07 01:21:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7344 states. [2021-01-07 01:21:57,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7344 to 7332. [2021-01-07 01:21:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7332 states. [2021-01-07 01:21:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7332 states to 7332 states and 10206 transitions. [2021-01-07 01:21:57,089 INFO L78 Accepts]: Start accepts. Automaton has 7332 states and 10206 transitions. Word has length 79 [2021-01-07 01:21:57,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:57,089 INFO L481 AbstractCegarLoop]: Abstraction has 7332 states and 10206 transitions. [2021-01-07 01:21:57,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-07 01:21:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 7332 states and 10206 transitions. [2021-01-07 01:21:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-07 01:21:57,096 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:57,096 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-01-07 01:21:57,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:57,311 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:21:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:21:57,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1293666704, now seen corresponding path program 3 times [2021-01-07 01:21:57,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:21:57,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844405171] [2021-01-07 01:21:57,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:21:57,347 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:21:57,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [751751] [2021-01-07 01:21:57,347 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:21:58,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 01:21:58,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:21:58,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-07 01:21:58,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:21:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-07 01:21:58,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844405171] [2021-01-07 01:21:58,300 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:21:58,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751751] [2021-01-07 01:21:58,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:21:58,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 01:21:58,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79037937] [2021-01-07 01:21:58,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 01:21:58,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:21:58,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 01:21:58,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 01:21:58,302 INFO L87 Difference]: Start difference. First operand 7332 states and 10206 transitions. Second operand 4 states. [2021-01-07 01:21:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:21:59,122 INFO L93 Difference]: Finished difference Result 32963 states and 46118 transitions. [2021-01-07 01:21:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 01:21:59,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2021-01-07 01:21:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:21:59,172 INFO L225 Difference]: With dead ends: 32963 [2021-01-07 01:21:59,173 INFO L226 Difference]: Without dead ends: 25708 [2021-01-07 01:21:59,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:21:59,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25708 states. [2021-01-07 01:21:59,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25708 to 7460. [2021-01-07 01:21:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7460 states. [2021-01-07 01:21:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7460 states to 7460 states and 10334 transitions. [2021-01-07 01:21:59,791 INFO L78 Accepts]: Start accepts. Automaton has 7460 states and 10334 transitions. Word has length 83 [2021-01-07 01:21:59,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:21:59,791 INFO L481 AbstractCegarLoop]: Abstraction has 7460 states and 10334 transitions. [2021-01-07 01:21:59,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 01:21:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7460 states and 10334 transitions. [2021-01-07 01:21:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-07 01:21:59,799 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:21:59,800 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-01-07 01:22:00,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-07 01:22:00,015 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:00,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:00,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1443099562, now seen corresponding path program 1 times [2021-01-07 01:22:00,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:00,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267257095] [2021-01-07 01:22:00,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:00,076 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:00,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980778009] [2021-01-07 01:22:00,076 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:22:00,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-07 01:22:00,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-07 01:22:00,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267257095] [2021-01-07 01:22:00,630 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:00,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980778009] [2021-01-07 01:22:00,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:22:00,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 01:22:00,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677183960] [2021-01-07 01:22:00,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 01:22:00,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:00,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 01:22:00,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:22:00,632 INFO L87 Difference]: Start difference. First operand 7460 states and 10334 transitions. Second operand 3 states. [2021-01-07 01:22:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:01,085 INFO L93 Difference]: Finished difference Result 17255 states and 24077 transitions. [2021-01-07 01:22:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 01:22:01,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-07 01:22:01,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:01,095 INFO L225 Difference]: With dead ends: 17255 [2021-01-07 01:22:01,095 INFO L226 Difference]: Without dead ends: 9872 [2021-01-07 01:22:01,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:22:01,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9872 states. [2021-01-07 01:22:01,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9872 to 9824. [2021-01-07 01:22:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9824 states. [2021-01-07 01:22:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9824 states to 9824 states and 13735 transitions. [2021-01-07 01:22:01,538 INFO L78 Accepts]: Start accepts. Automaton has 9824 states and 13735 transitions. Word has length 85 [2021-01-07 01:22:01,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:01,538 INFO L481 AbstractCegarLoop]: Abstraction has 9824 states and 13735 transitions. [2021-01-07 01:22:01,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 01:22:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 9824 states and 13735 transitions. [2021-01-07 01:22:01,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-07 01:22:01,547 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:01,547 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-01-07 01:22:01,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:01,762 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:01,763 INFO L82 PathProgramCache]: Analyzing trace with hash 2139623262, now seen corresponding path program 1 times [2021-01-07 01:22:01,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:01,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641724128] [2021-01-07 01:22:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:01,806 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:01,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727634694] [2021-01-07 01:22:01,808 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:22:02,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 01:22:02,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-07 01:22:02,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641724128] [2021-01-07 01:22:02,519 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:02,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727634694] [2021-01-07 01:22:02,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:22:02,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 01:22:02,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432713014] [2021-01-07 01:22:02,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 01:22:02,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:02,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 01:22:02,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:22:02,520 INFO L87 Difference]: Start difference. First operand 9824 states and 13735 transitions. Second operand 3 states. [2021-01-07 01:22:03,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:03,145 INFO L93 Difference]: Finished difference Result 23433 states and 32820 transitions. [2021-01-07 01:22:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 01:22:03,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-07 01:22:03,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:03,167 INFO L225 Difference]: With dead ends: 23433 [2021-01-07 01:22:03,167 INFO L226 Difference]: Without dead ends: 18351 [2021-01-07 01:22:03,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 01:22:03,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18351 states. [2021-01-07 01:22:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18351 to 10000. [2021-01-07 01:22:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10000 states. [2021-01-07 01:22:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10000 states to 10000 states and 13911 transitions. [2021-01-07 01:22:03,723 INFO L78 Accepts]: Start accepts. Automaton has 10000 states and 13911 transitions. Word has length 85 [2021-01-07 01:22:03,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:03,723 INFO L481 AbstractCegarLoop]: Abstraction has 10000 states and 13911 transitions. [2021-01-07 01:22:03,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 01:22:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand 10000 states and 13911 transitions. [2021-01-07 01:22:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-07 01:22:03,730 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:03,731 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:22:03,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:03,946 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:03,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:03,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1583742504, now seen corresponding path program 1 times [2021-01-07 01:22:03,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:03,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522045479] [2021-01-07 01:22:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:03,987 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:03,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116340619] [2021-01-07 01:22:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:22:04,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-07 01:22:04,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 01:22:04,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522045479] [2021-01-07 01:22:04,667 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:04,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116340619] [2021-01-07 01:22:04,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:22:04,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-01-07 01:22:04,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256501791] [2021-01-07 01:22:04,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 01:22:04,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:04,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 01:22:04,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 01:22:04,669 INFO L87 Difference]: Start difference. First operand 10000 states and 13911 transitions. Second operand 7 states. [2021-01-07 01:22:05,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:05,548 INFO L93 Difference]: Finished difference Result 10033 states and 13948 transitions. [2021-01-07 01:22:05,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 01:22:05,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2021-01-07 01:22:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:05,559 INFO L225 Difference]: With dead ends: 10033 [2021-01-07 01:22:05,559 INFO L226 Difference]: Without dead ends: 10025 [2021-01-07 01:22:05,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-07 01:22:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10025 states. [2021-01-07 01:22:06,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10025 to 10013. [2021-01-07 01:22:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10013 states. [2021-01-07 01:22:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10013 states to 10013 states and 13926 transitions. [2021-01-07 01:22:06,027 INFO L78 Accepts]: Start accepts. Automaton has 10013 states and 13926 transitions. Word has length 86 [2021-01-07 01:22:06,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:06,027 INFO L481 AbstractCegarLoop]: Abstraction has 10013 states and 13926 transitions. [2021-01-07 01:22:06,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 01:22:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 10013 states and 13926 transitions. [2021-01-07 01:22:06,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-07 01:22:06,037 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:06,037 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:22:06,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-01-07 01:22:06,252 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:06,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:06,253 INFO L82 PathProgramCache]: Analyzing trace with hash 400414663, now seen corresponding path program 2 times [2021-01-07 01:22:06,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:06,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210262563] [2021-01-07 01:22:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:06,293 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:06,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642948288] [2021-01-07 01:22:06,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:06,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 01:22:06,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:22:06,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-07 01:22:06,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 01:22:07,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210262563] [2021-01-07 01:22:07,116 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:07,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642948288] [2021-01-07 01:22:07,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:22:07,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-01-07 01:22:07,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788929542] [2021-01-07 01:22:07,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-07 01:22:07,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:07,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-07 01:22:07,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-01-07 01:22:07,118 INFO L87 Difference]: Start difference. First operand 10013 states and 13926 transitions. Second operand 8 states. [2021-01-07 01:22:07,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:07,569 INFO L93 Difference]: Finished difference Result 10046 states and 13963 transitions. [2021-01-07 01:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-07 01:22:07,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2021-01-07 01:22:07,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:07,580 INFO L225 Difference]: With dead ends: 10046 [2021-01-07 01:22:07,580 INFO L226 Difference]: Without dead ends: 10038 [2021-01-07 01:22:07,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-01-07 01:22:07,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10038 states. [2021-01-07 01:22:07,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10038 to 10026. [2021-01-07 01:22:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10026 states. [2021-01-07 01:22:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10026 states to 10026 states and 13941 transitions. [2021-01-07 01:22:07,968 INFO L78 Accepts]: Start accepts. Automaton has 10026 states and 13941 transitions. Word has length 90 [2021-01-07 01:22:07,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:07,968 INFO L481 AbstractCegarLoop]: Abstraction has 10026 states and 13941 transitions. [2021-01-07 01:22:07,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-07 01:22:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 10026 states and 13941 transitions. [2021-01-07 01:22:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-07 01:22:07,976 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:07,977 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:22:08,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-01-07 01:22:08,185 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:08,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:08,186 INFO L82 PathProgramCache]: Analyzing trace with hash 948029926, now seen corresponding path program 3 times [2021-01-07 01:22:08,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:08,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037475479] [2021-01-07 01:22:08,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:08,221 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:08,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186501129] [2021-01-07 01:22:08,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:09,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 01:22:09,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:22:09,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 34 conjunts are in the unsatisfiable core [2021-01-07 01:22:09,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-01-07 01:22:09,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037475479] [2021-01-07 01:22:09,222 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:09,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186501129] [2021-01-07 01:22:09,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:22:09,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-07 01:22:09,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476236752] [2021-01-07 01:22:09,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 01:22:09,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:09,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 01:22:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-07 01:22:09,224 INFO L87 Difference]: Start difference. First operand 10026 states and 13941 transitions. Second operand 9 states. [2021-01-07 01:22:16,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:16,394 INFO L93 Difference]: Finished difference Result 106303 states and 150520 transitions. [2021-01-07 01:22:16,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-07 01:22:16,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2021-01-07 01:22:16,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:16,504 INFO L225 Difference]: With dead ends: 106303 [2021-01-07 01:22:16,504 INFO L226 Difference]: Without dead ends: 96354 [2021-01-07 01:22:16,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=236, Invalid=634, Unknown=0, NotChecked=0, Total=870 [2021-01-07 01:22:16,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96354 states. [2021-01-07 01:22:17,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96354 to 10122. [2021-01-07 01:22:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10122 states. [2021-01-07 01:22:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10122 states to 10122 states and 13969 transitions. [2021-01-07 01:22:17,609 INFO L78 Accepts]: Start accepts. Automaton has 10122 states and 13969 transitions. Word has length 94 [2021-01-07 01:22:17,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:17,609 INFO L481 AbstractCegarLoop]: Abstraction has 10122 states and 13969 transitions. [2021-01-07 01:22:17,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 01:22:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 10122 states and 13969 transitions. [2021-01-07 01:22:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-07 01:22:17,616 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:17,617 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 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] [2021-01-07 01:22:17,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-07 01:22:17,818 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:17,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:17,821 INFO L82 PathProgramCache]: Analyzing trace with hash -504904357, now seen corresponding path program 1 times [2021-01-07 01:22:17,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:17,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313568460] [2021-01-07 01:22:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:17,868 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:17,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [969311838] [2021-01-07 01:22:17,869 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:22:18,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 01:22:18,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-01-07 01:22:18,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313568460] [2021-01-07 01:22:18,465 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:18,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969311838] [2021-01-07 01:22:18,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:22:18,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 01:22:18,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837166684] [2021-01-07 01:22:18,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 01:22:18,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:18,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 01:22:18,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 01:22:18,467 INFO L87 Difference]: Start difference. First operand 10122 states and 13969 transitions. Second operand 4 states. [2021-01-07 01:22:20,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:20,436 INFO L93 Difference]: Finished difference Result 24012 states and 33087 transitions. [2021-01-07 01:22:20,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 01:22:20,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2021-01-07 01:22:20,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:20,451 INFO L225 Difference]: With dead ends: 24012 [2021-01-07 01:22:20,452 INFO L226 Difference]: Without dead ends: 13485 [2021-01-07 01:22:20,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 01:22:20,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13485 states. [2021-01-07 01:22:21,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13485 to 9609. [2021-01-07 01:22:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9609 states. [2021-01-07 01:22:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9609 states to 9609 states and 13096 transitions. [2021-01-07 01:22:21,136 INFO L78 Accepts]: Start accepts. Automaton has 9609 states and 13096 transitions. Word has length 95 [2021-01-07 01:22:21,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:21,137 INFO L481 AbstractCegarLoop]: Abstraction has 9609 states and 13096 transitions. [2021-01-07 01:22:21,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 01:22:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 9609 states and 13096 transitions. [2021-01-07 01:22:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-07 01:22:21,145 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:21,145 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:22:21,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:21,346 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:21,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:21,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1913703476, now seen corresponding path program 1 times [2021-01-07 01:22:21,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:21,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034804617] [2021-01-07 01:22:21,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:21,384 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:21,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125069099] [2021-01-07 01:22:21,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:22:21,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-07 01:22:21,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 01:22:22,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034804617] [2021-01-07 01:22:22,138 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:22,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125069099] [2021-01-07 01:22:22,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:22:22,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-01-07 01:22:22,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256089438] [2021-01-07 01:22:22,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 01:22:22,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:22,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 01:22:22,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-01-07 01:22:22,141 INFO L87 Difference]: Start difference. First operand 9609 states and 13096 transitions. Second operand 9 states. [2021-01-07 01:22:23,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:23,134 INFO L93 Difference]: Finished difference Result 9642 states and 13133 transitions. [2021-01-07 01:22:23,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-07 01:22:23,135 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2021-01-07 01:22:23,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:23,145 INFO L225 Difference]: With dead ends: 9642 [2021-01-07 01:22:23,145 INFO L226 Difference]: Without dead ends: 9634 [2021-01-07 01:22:23,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-01-07 01:22:23,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9634 states. [2021-01-07 01:22:23,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9634 to 9622. [2021-01-07 01:22:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9622 states. [2021-01-07 01:22:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9622 states to 9622 states and 13111 transitions. [2021-01-07 01:22:23,970 INFO L78 Accepts]: Start accepts. Automaton has 9622 states and 13111 transitions. Word has length 99 [2021-01-07 01:22:23,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:23,971 INFO L481 AbstractCegarLoop]: Abstraction has 9622 states and 13111 transitions. [2021-01-07 01:22:23,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 01:22:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 9622 states and 13111 transitions. [2021-01-07 01:22:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-07 01:22:23,979 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:23,979 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:22:24,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:24,183 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:24,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:24,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1321966443, now seen corresponding path program 2 times [2021-01-07 01:22:24,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:24,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23995943] [2021-01-07 01:22:24,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:24,219 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:24,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024232314] [2021-01-07 01:22:24,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:24,901 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 01:22:24,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:22:24,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 01:22:24,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-07 01:22:25,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23995943] [2021-01-07 01:22:25,132 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:25,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024232314] [2021-01-07 01:22:25,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:22:25,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-01-07 01:22:25,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970069469] [2021-01-07 01:22:25,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-07 01:22:25,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:25,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-07 01:22:25,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-01-07 01:22:25,134 INFO L87 Difference]: Start difference. First operand 9622 states and 13111 transitions. Second operand 10 states. [2021-01-07 01:22:26,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:26,304 INFO L93 Difference]: Finished difference Result 9655 states and 13148 transitions. [2021-01-07 01:22:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-07 01:22:26,305 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2021-01-07 01:22:26,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:26,317 INFO L225 Difference]: With dead ends: 9655 [2021-01-07 01:22:26,317 INFO L226 Difference]: Without dead ends: 9647 [2021-01-07 01:22:26,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-01-07 01:22:26,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9647 states. [2021-01-07 01:22:26,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9647 to 9635. [2021-01-07 01:22:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9635 states. [2021-01-07 01:22:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9635 states to 9635 states and 13126 transitions. [2021-01-07 01:22:26,976 INFO L78 Accepts]: Start accepts. Automaton has 9635 states and 13126 transitions. Word has length 103 [2021-01-07 01:22:26,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:26,976 INFO L481 AbstractCegarLoop]: Abstraction has 9635 states and 13126 transitions. [2021-01-07 01:22:26,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-07 01:22:26,976 INFO L276 IsEmpty]: Start isEmpty. Operand 9635 states and 13126 transitions. [2021-01-07 01:22:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-07 01:22:26,984 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:26,984 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:22:27,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:27,186 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:27,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:27,187 INFO L82 PathProgramCache]: Analyzing trace with hash -170058870, now seen corresponding path program 3 times [2021-01-07 01:22:27,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:27,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069430303] [2021-01-07 01:22:27,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:27,217 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:27,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001680836] [2021-01-07 01:22:27,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:27,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-07 01:22:27,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:22:27,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 34 conjunts are in the unsatisfiable core [2021-01-07 01:22:27,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-01-07 01:22:28,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069430303] [2021-01-07 01:22:28,165 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:28,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001680836] [2021-01-07 01:22:28,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:22:28,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-07 01:22:28,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151082962] [2021-01-07 01:22:28,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-07 01:22:28,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:28,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-07 01:22:28,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-07 01:22:28,167 INFO L87 Difference]: Start difference. First operand 9635 states and 13126 transitions. Second operand 9 states. [2021-01-07 01:22:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:38,755 INFO L93 Difference]: Finished difference Result 101508 states and 141921 transitions. [2021-01-07 01:22:38,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-07 01:22:38,758 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2021-01-07 01:22:38,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:38,870 INFO L225 Difference]: With dead ends: 101508 [2021-01-07 01:22:38,870 INFO L226 Difference]: Without dead ends: 91950 [2021-01-07 01:22:38,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=236, Invalid=634, Unknown=0, NotChecked=0, Total=870 [2021-01-07 01:22:38,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91950 states. [2021-01-07 01:22:40,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91950 to 9707. [2021-01-07 01:22:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9707 states. [2021-01-07 01:22:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9707 states to 9707 states and 13198 transitions. [2021-01-07 01:22:40,540 INFO L78 Accepts]: Start accepts. Automaton has 9707 states and 13198 transitions. Word has length 107 [2021-01-07 01:22:40,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:40,540 INFO L481 AbstractCegarLoop]: Abstraction has 9707 states and 13198 transitions. [2021-01-07 01:22:40,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-07 01:22:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 9707 states and 13198 transitions. [2021-01-07 01:22:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-07 01:22:40,550 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:40,550 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1] [2021-01-07 01:22:40,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-01-07 01:22:40,765 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:40,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:40,766 INFO L82 PathProgramCache]: Analyzing trace with hash 310155015, now seen corresponding path program 1 times [2021-01-07 01:22:40,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:40,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651799880] [2021-01-07 01:22:40,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:40,797 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:40,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038944335] [2021-01-07 01:22:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:22:41,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 01:22:41,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-01-07 01:22:41,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651799880] [2021-01-07 01:22:41,588 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:41,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038944335] [2021-01-07 01:22:41,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:22:41,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 01:22:41,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133496507] [2021-01-07 01:22:41,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 01:22:41,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:41,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 01:22:41,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:22:41,590 INFO L87 Difference]: Start difference. First operand 9707 states and 13198 transitions. Second operand 5 states. [2021-01-07 01:22:45,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:45,564 INFO L93 Difference]: Finished difference Result 30491 states and 41878 transitions. [2021-01-07 01:22:45,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 01:22:45,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2021-01-07 01:22:45,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:45,597 INFO L225 Difference]: With dead ends: 30491 [2021-01-07 01:22:45,598 INFO L226 Difference]: Without dead ends: 25185 [2021-01-07 01:22:45,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:22:45,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25185 states. [2021-01-07 01:22:47,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25185 to 19598. [2021-01-07 01:22:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19598 states. [2021-01-07 01:22:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19598 states to 19598 states and 26806 transitions. [2021-01-07 01:22:47,660 INFO L78 Accepts]: Start accepts. Automaton has 19598 states and 26806 transitions. Word has length 111 [2021-01-07 01:22:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:47,661 INFO L481 AbstractCegarLoop]: Abstraction has 19598 states and 26806 transitions. [2021-01-07 01:22:47,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 01:22:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 19598 states and 26806 transitions. [2021-01-07 01:22:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-07 01:22:47,671 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:47,672 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2021-01-07 01:22:47,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-01-07 01:22:47,887 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:47,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:47,888 INFO L82 PathProgramCache]: Analyzing trace with hash 702343080, now seen corresponding path program 1 times [2021-01-07 01:22:47,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:47,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283421943] [2021-01-07 01:22:47,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:47,944 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:47,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548039100] [2021-01-07 01:22:47,944 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:22:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:22:48,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1316 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 01:22:48,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-01-07 01:22:48,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283421943] [2021-01-07 01:22:48,739 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:48,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548039100] [2021-01-07 01:22:48,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:22:48,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 01:22:48,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146812805] [2021-01-07 01:22:48,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 01:22:48,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:48,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 01:22:48,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 01:22:48,740 INFO L87 Difference]: Start difference. First operand 19598 states and 26806 transitions. Second operand 4 states. [2021-01-07 01:22:53,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:53,412 INFO L93 Difference]: Finished difference Result 55578 states and 76382 transitions. [2021-01-07 01:22:53,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 01:22:53,412 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2021-01-07 01:22:53,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:53,457 INFO L225 Difference]: With dead ends: 55578 [2021-01-07 01:22:53,457 INFO L226 Difference]: Without dead ends: 40381 [2021-01-07 01:22:53,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:22:53,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40381 states. [2021-01-07 01:22:55,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40381 to 19510. [2021-01-07 01:22:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19510 states. [2021-01-07 01:22:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19510 states to 19510 states and 26458 transitions. [2021-01-07 01:22:55,569 INFO L78 Accepts]: Start accepts. Automaton has 19510 states and 26458 transitions. Word has length 113 [2021-01-07 01:22:55,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:22:55,569 INFO L481 AbstractCegarLoop]: Abstraction has 19510 states and 26458 transitions. [2021-01-07 01:22:55,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 01:22:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 19510 states and 26458 transitions. [2021-01-07 01:22:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-01-07 01:22:55,579 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:22:55,579 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:22:55,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-01-07 01:22:55,780 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:22:55,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:22:55,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1598324271, now seen corresponding path program 1 times [2021-01-07 01:22:55,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:22:55,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070550845] [2021-01-07 01:22:55,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:22:55,811 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:22:55,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1250196389] [2021-01-07 01:22:55,812 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 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 [2021-01-07 01:22:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:22:56,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-07 01:22:56,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:22:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:22:56,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070550845] [2021-01-07 01:22:56,617 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:22:56,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250196389] [2021-01-07 01:22:56,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:22:56,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-01-07 01:22:56,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399577457] [2021-01-07 01:22:56,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-07 01:22:56,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:22:56,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-07 01:22:56,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-01-07 01:22:56,619 INFO L87 Difference]: Start difference. First operand 19510 states and 26458 transitions. Second operand 11 states. [2021-01-07 01:22:59,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:22:59,052 INFO L93 Difference]: Finished difference Result 19543 states and 26495 transitions. [2021-01-07 01:22:59,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-07 01:22:59,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 115 [2021-01-07 01:22:59,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:22:59,072 INFO L225 Difference]: With dead ends: 19543 [2021-01-07 01:22:59,072 INFO L226 Difference]: Without dead ends: 19535 [2021-01-07 01:22:59,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-01-07 01:22:59,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19535 states. [2021-01-07 01:23:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19535 to 19523. [2021-01-07 01:23:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19523 states. [2021-01-07 01:23:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 26473 transitions. [2021-01-07 01:23:01,055 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 26473 transitions. Word has length 115 [2021-01-07 01:23:01,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:23:01,056 INFO L481 AbstractCegarLoop]: Abstraction has 19523 states and 26473 transitions. [2021-01-07 01:23:01,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-07 01:23:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 26473 transitions. [2021-01-07 01:23:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-07 01:23:01,066 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:23:01,067 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:23:01,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-01-07 01:23:01,282 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:23:01,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:23:01,283 INFO L82 PathProgramCache]: Analyzing trace with hash -2048983986, now seen corresponding path program 2 times [2021-01-07 01:23:01,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:23:01,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400000904] [2021-01-07 01:23:01,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:23:01,313 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:23:01,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [390801330] [2021-01-07 01:23:01,313 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:02,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 01:23:02,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:23:02,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 11 conjunts are in the unsatisfiable core [2021-01-07 01:23:02,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:23:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:23:02,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400000904] [2021-01-07 01:23:02,440 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:23:02,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390801330] [2021-01-07 01:23:02,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:23:02,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-01-07 01:23:02,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168248822] [2021-01-07 01:23:02,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-07 01:23:02,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:23:02,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-07 01:23:02,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-01-07 01:23:02,443 INFO L87 Difference]: Start difference. First operand 19523 states and 26473 transitions. Second operand 12 states. [2021-01-07 01:23:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:23:04,901 INFO L93 Difference]: Finished difference Result 19556 states and 26510 transitions. [2021-01-07 01:23:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-07 01:23:04,902 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 119 [2021-01-07 01:23:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:23:04,922 INFO L225 Difference]: With dead ends: 19556 [2021-01-07 01:23:04,923 INFO L226 Difference]: Without dead ends: 19548 [2021-01-07 01:23:04,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-01-07 01:23:04,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19548 states. [2021-01-07 01:23:06,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19548 to 19536. [2021-01-07 01:23:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19536 states. [2021-01-07 01:23:06,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19536 states to 19536 states and 26488 transitions. [2021-01-07 01:23:06,890 INFO L78 Accepts]: Start accepts. Automaton has 19536 states and 26488 transitions. Word has length 119 [2021-01-07 01:23:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:23:06,891 INFO L481 AbstractCegarLoop]: Abstraction has 19536 states and 26488 transitions. [2021-01-07 01:23:06,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-07 01:23:06,891 INFO L276 IsEmpty]: Start isEmpty. Operand 19536 states and 26488 transitions. [2021-01-07 01:23:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-07 01:23:06,905 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:23:06,906 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:23:07,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-01-07 01:23:07,120 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:23:07,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:23:07,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1061203219, now seen corresponding path program 3 times [2021-01-07 01:23:07,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:23:07,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877407287] [2021-01-07 01:23:07,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:23:07,152 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:23:07,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1711301622] [2021-01-07 01:23:07,152 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:09,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-01-07 01:23:09,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:23:09,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 21 conjunts are in the unsatisfiable core [2021-01-07 01:23:09,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:23:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-01-07 01:23:09,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877407287] [2021-01-07 01:23:09,186 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:23:09,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711301622] [2021-01-07 01:23:09,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:23:09,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 01:23:09,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594167797] [2021-01-07 01:23:09,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 01:23:09,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:23:09,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 01:23:09,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 01:23:09,188 INFO L87 Difference]: Start difference. First operand 19536 states and 26488 transitions. Second operand 5 states. [2021-01-07 01:23:11,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:23:11,454 INFO L93 Difference]: Finished difference Result 39076 states and 52983 transitions. [2021-01-07 01:23:11,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-07 01:23:11,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2021-01-07 01:23:11,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:23:11,475 INFO L225 Difference]: With dead ends: 39076 [2021-01-07 01:23:11,475 INFO L226 Difference]: Without dead ends: 19563 [2021-01-07 01:23:11,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-07 01:23:11,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19563 states. [2021-01-07 01:23:13,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19563 to 19536. [2021-01-07 01:23:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19536 states. [2021-01-07 01:23:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19536 states to 19536 states and 26487 transitions. [2021-01-07 01:23:13,486 INFO L78 Accepts]: Start accepts. Automaton has 19536 states and 26487 transitions. Word has length 123 [2021-01-07 01:23:13,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:23:13,486 INFO L481 AbstractCegarLoop]: Abstraction has 19536 states and 26487 transitions. [2021-01-07 01:23:13,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 01:23:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 19536 states and 26487 transitions. [2021-01-07 01:23:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-07 01:23:13,505 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:23:13,505 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:23:13,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:13,714 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:23:13,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:23:13,715 INFO L82 PathProgramCache]: Analyzing trace with hash -610477459, now seen corresponding path program 1 times [2021-01-07 01:23:13,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:23:13,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754677104] [2021-01-07 01:23:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:23:13,745 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:23:13,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1085216964] [2021-01-07 01:23:13,745 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:23:14,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 12 conjunts are in the unsatisfiable core [2021-01-07 01:23:14,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:23:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:23:14,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754677104] [2021-01-07 01:23:14,621 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:23:14,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085216964] [2021-01-07 01:23:14,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:23:14,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-01-07 01:23:14,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962710770] [2021-01-07 01:23:14,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-07 01:23:14,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:23:14,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-07 01:23:14,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-01-07 01:23:14,624 INFO L87 Difference]: Start difference. First operand 19536 states and 26487 transitions. Second operand 13 states. [2021-01-07 01:23:17,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:23:17,059 INFO L93 Difference]: Finished difference Result 19569 states and 26524 transitions. [2021-01-07 01:23:17,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-07 01:23:17,060 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 126 [2021-01-07 01:23:17,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:23:17,081 INFO L225 Difference]: With dead ends: 19569 [2021-01-07 01:23:17,081 INFO L226 Difference]: Without dead ends: 19561 [2021-01-07 01:23:17,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-01-07 01:23:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19561 states. [2021-01-07 01:23:19,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19561 to 19549. [2021-01-07 01:23:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19549 states. [2021-01-07 01:23:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19549 states to 19549 states and 26502 transitions. [2021-01-07 01:23:19,053 INFO L78 Accepts]: Start accepts. Automaton has 19549 states and 26502 transitions. Word has length 126 [2021-01-07 01:23:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:23:19,053 INFO L481 AbstractCegarLoop]: Abstraction has 19549 states and 26502 transitions. [2021-01-07 01:23:19,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-01-07 01:23:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 19549 states and 26502 transitions. [2021-01-07 01:23:19,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-01-07 01:23:19,065 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:23:19,065 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:23:19,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-01-07 01:23:19,267 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:23:19,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:23:19,268 INFO L82 PathProgramCache]: Analyzing trace with hash 705890700, now seen corresponding path program 2 times [2021-01-07 01:23:19,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:23:19,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261533652] [2021-01-07 01:23:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:23:19,318 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:23:19,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952490067] [2021-01-07 01:23:19,321 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:20,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 01:23:20,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:23:20,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 1370 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-07 01:23:20,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:23:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:23:20,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261533652] [2021-01-07 01:23:20,371 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:23:20,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952490067] [2021-01-07 01:23:20,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:23:20,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-01-07 01:23:20,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73043975] [2021-01-07 01:23:20,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-01-07 01:23:20,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:23:20,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-01-07 01:23:20,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2021-01-07 01:23:20,373 INFO L87 Difference]: Start difference. First operand 19549 states and 26502 transitions. Second operand 14 states. [2021-01-07 01:23:22,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:23:22,774 INFO L93 Difference]: Finished difference Result 19582 states and 26539 transitions. [2021-01-07 01:23:22,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-07 01:23:22,775 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 130 [2021-01-07 01:23:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:23:22,794 INFO L225 Difference]: With dead ends: 19582 [2021-01-07 01:23:22,795 INFO L226 Difference]: Without dead ends: 19574 [2021-01-07 01:23:22,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2021-01-07 01:23:22,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19574 states. [2021-01-07 01:23:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19574 to 19562. [2021-01-07 01:23:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19562 states. [2021-01-07 01:23:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19562 states to 19562 states and 26517 transitions. [2021-01-07 01:23:24,802 INFO L78 Accepts]: Start accepts. Automaton has 19562 states and 26517 transitions. Word has length 130 [2021-01-07 01:23:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:23:24,802 INFO L481 AbstractCegarLoop]: Abstraction has 19562 states and 26517 transitions. [2021-01-07 01:23:24,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-01-07 01:23:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 19562 states and 26517 transitions. [2021-01-07 01:23:24,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-01-07 01:23:24,816 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:23:24,816 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:23:25,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:25,017 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:23:25,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:23:25,018 INFO L82 PathProgramCache]: Analyzing trace with hash -443641557, now seen corresponding path program 3 times [2021-01-07 01:23:25,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:23:25,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857659072] [2021-01-07 01:23:25,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:23:25,047 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:23:25,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274173493] [2021-01-07 01:23:25,048 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:26,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-01-07 01:23:26,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:23:26,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 41 conjunts are in the unsatisfiable core [2021-01-07 01:23:26,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:23:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-01-07 01:23:26,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857659072] [2021-01-07 01:23:26,663 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:23:26,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274173493] [2021-01-07 01:23:26,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 01:23:26,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-07 01:23:26,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934358600] [2021-01-07 01:23:26,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 01:23:26,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:23:26,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 01:23:26,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-07 01:23:26,664 INFO L87 Difference]: Start difference. First operand 19562 states and 26517 transitions. Second operand 7 states. [2021-01-07 01:23:34,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:23:34,758 INFO L93 Difference]: Finished difference Result 91655 states and 124020 transitions. [2021-01-07 01:23:34,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-07 01:23:34,759 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2021-01-07 01:23:34,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:23:34,843 INFO L225 Difference]: With dead ends: 91655 [2021-01-07 01:23:34,843 INFO L226 Difference]: Without dead ends: 72112 [2021-01-07 01:23:34,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-01-07 01:23:34,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72112 states. [2021-01-07 01:23:37,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72112 to 19562. [2021-01-07 01:23:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19562 states. [2021-01-07 01:23:37,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19562 states to 19562 states and 26516 transitions. [2021-01-07 01:23:37,626 INFO L78 Accepts]: Start accepts. Automaton has 19562 states and 26516 transitions. Word has length 134 [2021-01-07 01:23:37,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:23:37,626 INFO L481 AbstractCegarLoop]: Abstraction has 19562 states and 26516 transitions. [2021-01-07 01:23:37,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 01:23:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 19562 states and 26516 transitions. [2021-01-07 01:23:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-01-07 01:23:37,640 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:23:37,640 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:23:37,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-01-07 01:23:37,841 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:23:37,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:23:37,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1392130289, now seen corresponding path program 1 times [2021-01-07 01:23:37,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:23:37,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735193122] [2021-01-07 01:23:37,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:23:37,870 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:23:37,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316368862] [2021-01-07 01:23:37,870 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:23:38,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 14 conjunts are in the unsatisfiable core [2021-01-07 01:23:38,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:23:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:23:38,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735193122] [2021-01-07 01:23:38,934 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:23:38,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316368862] [2021-01-07 01:23:38,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:23:38,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2021-01-07 01:23:38,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848245682] [2021-01-07 01:23:38,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-01-07 01:23:38,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:23:38,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-01-07 01:23:38,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2021-01-07 01:23:38,937 INFO L87 Difference]: Start difference. First operand 19562 states and 26516 transitions. Second operand 15 states. [2021-01-07 01:23:41,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:23:41,634 INFO L93 Difference]: Finished difference Result 19595 states and 26553 transitions. [2021-01-07 01:23:41,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-07 01:23:41,635 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2021-01-07 01:23:41,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:23:41,656 INFO L225 Difference]: With dead ends: 19595 [2021-01-07 01:23:41,656 INFO L226 Difference]: Without dead ends: 19587 [2021-01-07 01:23:41,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2021-01-07 01:23:41,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19587 states. [2021-01-07 01:23:43,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19587 to 19575. [2021-01-07 01:23:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19575 states. [2021-01-07 01:23:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19575 states to 19575 states and 26531 transitions. [2021-01-07 01:23:43,975 INFO L78 Accepts]: Start accepts. Automaton has 19575 states and 26531 transitions. Word has length 136 [2021-01-07 01:23:43,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:23:43,976 INFO L481 AbstractCegarLoop]: Abstraction has 19575 states and 26531 transitions. [2021-01-07 01:23:43,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-01-07 01:23:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 19575 states and 26531 transitions. [2021-01-07 01:23:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-07 01:23:43,990 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:23:43,990 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:23:44,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:44,191 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:23:44,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:23:44,192 INFO L82 PathProgramCache]: Analyzing trace with hash 235984174, now seen corresponding path program 2 times [2021-01-07 01:23:44,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:23:44,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350496714] [2021-01-07 01:23:44,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:23:44,232 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:23:44,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2013546072] [2021-01-07 01:23:44,233 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:23:44,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 01:23:44,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:23:44,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 15 conjunts are in the unsatisfiable core [2021-01-07 01:23:44,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:23:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:23:45,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350496714] [2021-01-07 01:23:45,394 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:23:45,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013546072] [2021-01-07 01:23:45,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:23:45,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-01-07 01:23:45,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695012060] [2021-01-07 01:23:45,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-01-07 01:23:45,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:23:45,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-01-07 01:23:45,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-01-07 01:23:45,396 INFO L87 Difference]: Start difference. First operand 19575 states and 26531 transitions. Second operand 16 states. [2021-01-07 01:23:48,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:23:48,111 INFO L93 Difference]: Finished difference Result 19608 states and 26568 transitions. [2021-01-07 01:23:48,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-07 01:23:48,112 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 140 [2021-01-07 01:23:48,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:23:48,132 INFO L225 Difference]: With dead ends: 19608 [2021-01-07 01:23:48,133 INFO L226 Difference]: Without dead ends: 19600 [2021-01-07 01:23:48,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-01-07 01:23:48,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19600 states. [2021-01-07 01:23:50,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19600 to 19588. [2021-01-07 01:23:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19588 states. [2021-01-07 01:23:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19588 states to 19588 states and 26546 transitions. [2021-01-07 01:23:50,500 INFO L78 Accepts]: Start accepts. Automaton has 19588 states and 26546 transitions. Word has length 140 [2021-01-07 01:23:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:23:50,500 INFO L481 AbstractCegarLoop]: Abstraction has 19588 states and 26546 transitions. [2021-01-07 01:23:50,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-01-07 01:23:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 19588 states and 26546 transitions. [2021-01-07 01:23:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-01-07 01:23:50,516 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:23:50,516 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:23:50,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-01-07 01:23:50,722 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:23:50,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:23:50,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1197884467, now seen corresponding path program 3 times [2021-01-07 01:23:50,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:23:50,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601892993] [2021-01-07 01:23:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:23:50,751 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:23:50,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210484037] [2021-01-07 01:23:50,751 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:24:00,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-01-07 01:24:00,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:24:00,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 16 conjunts are in the unsatisfiable core [2021-01-07 01:24:00,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:24:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:24:01,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601892993] [2021-01-07 01:24:01,239 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:24:01,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210484037] [2021-01-07 01:24:01,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:24:01,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-01-07 01:24:01,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497727482] [2021-01-07 01:24:01,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-07 01:24:01,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:24:01,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-07 01:24:01,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-01-07 01:24:01,241 INFO L87 Difference]: Start difference. First operand 19588 states and 26546 transitions. Second operand 17 states. [2021-01-07 01:24:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:24:03,878 INFO L93 Difference]: Finished difference Result 19621 states and 26583 transitions. [2021-01-07 01:24:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-07 01:24:03,879 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 144 [2021-01-07 01:24:03,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:24:03,895 INFO L225 Difference]: With dead ends: 19621 [2021-01-07 01:24:03,895 INFO L226 Difference]: Without dead ends: 19613 [2021-01-07 01:24:03,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-01-07 01:24:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19613 states. [2021-01-07 01:24:06,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19613 to 19601. [2021-01-07 01:24:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19601 states. [2021-01-07 01:24:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19601 states to 19601 states and 26561 transitions. [2021-01-07 01:24:06,131 INFO L78 Accepts]: Start accepts. Automaton has 19601 states and 26561 transitions. Word has length 144 [2021-01-07 01:24:06,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:24:06,131 INFO L481 AbstractCegarLoop]: Abstraction has 19601 states and 26561 transitions. [2021-01-07 01:24:06,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-01-07 01:24:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19601 states and 26561 transitions. [2021-01-07 01:24:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-01-07 01:24:06,147 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:24:06,147 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:24:06,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:24:06,348 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:24:06,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:24:06,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1862255892, now seen corresponding path program 4 times [2021-01-07 01:24:06,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:24:06,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473465812] [2021-01-07 01:24:06,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:24:06,381 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:24:06,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [820157762] [2021-01-07 01:24:06,382 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:24:06,984 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-01-07 01:24:06,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:24:06,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 17 conjunts are in the unsatisfiable core [2021-01-07 01:24:06,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:24:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:24:07,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473465812] [2021-01-07 01:24:07,474 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:24:07,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820157762] [2021-01-07 01:24:07,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:24:07,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-01-07 01:24:07,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557520691] [2021-01-07 01:24:07,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-07 01:24:07,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:24:07,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-07 01:24:07,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2021-01-07 01:24:07,476 INFO L87 Difference]: Start difference. First operand 19601 states and 26561 transitions. Second operand 18 states. [2021-01-07 01:24:10,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:24:10,458 INFO L93 Difference]: Finished difference Result 19634 states and 26598 transitions. [2021-01-07 01:24:10,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-07 01:24:10,459 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2021-01-07 01:24:10,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:24:10,476 INFO L225 Difference]: With dead ends: 19634 [2021-01-07 01:24:10,476 INFO L226 Difference]: Without dead ends: 19626 [2021-01-07 01:24:10,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2021-01-07 01:24:10,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19626 states. [2021-01-07 01:24:12,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19626 to 19614. [2021-01-07 01:24:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19614 states. [2021-01-07 01:24:12,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19614 states to 19614 states and 26576 transitions. [2021-01-07 01:24:12,702 INFO L78 Accepts]: Start accepts. Automaton has 19614 states and 26576 transitions. Word has length 148 [2021-01-07 01:24:12,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:24:12,702 INFO L481 AbstractCegarLoop]: Abstraction has 19614 states and 26576 transitions. [2021-01-07 01:24:12,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-01-07 01:24:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 19614 states and 26576 transitions. [2021-01-07 01:24:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-01-07 01:24:12,719 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:24:12,719 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:24:12,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-01-07 01:24:12,920 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:24:12,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:24:12,921 INFO L82 PathProgramCache]: Analyzing trace with hash -977005941, now seen corresponding path program 5 times [2021-01-07 01:24:12,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:24:12,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129788212] [2021-01-07 01:24:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:24:12,947 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:24:12,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564585241] [2021-01-07 01:24:12,947 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:24:24,014 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-01-07 01:24:24,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:24:24,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 18 conjunts are in the unsatisfiable core [2021-01-07 01:24:24,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:24:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:24:24,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129788212] [2021-01-07 01:24:24,492 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:24:24,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564585241] [2021-01-07 01:24:24,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:24:24,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-01-07 01:24:24,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081221667] [2021-01-07 01:24:24,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-01-07 01:24:24,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:24:24,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-01-07 01:24:24,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2021-01-07 01:24:24,494 INFO L87 Difference]: Start difference. First operand 19614 states and 26576 transitions. Second operand 19 states. [2021-01-07 01:24:27,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:24:27,355 INFO L93 Difference]: Finished difference Result 19647 states and 26613 transitions. [2021-01-07 01:24:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-07 01:24:27,356 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2021-01-07 01:24:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:24:27,375 INFO L225 Difference]: With dead ends: 19647 [2021-01-07 01:24:27,375 INFO L226 Difference]: Without dead ends: 19639 [2021-01-07 01:24:27,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2021-01-07 01:24:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19639 states. [2021-01-07 01:24:29,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19639 to 19627. [2021-01-07 01:24:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19627 states. [2021-01-07 01:24:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19627 states to 19627 states and 26591 transitions. [2021-01-07 01:24:29,585 INFO L78 Accepts]: Start accepts. Automaton has 19627 states and 26591 transitions. Word has length 152 [2021-01-07 01:24:29,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:24:29,586 INFO L481 AbstractCegarLoop]: Abstraction has 19627 states and 26591 transitions. [2021-01-07 01:24:29,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-01-07 01:24:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 19627 states and 26591 transitions. [2021-01-07 01:24:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-01-07 01:24:29,602 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:24:29,602 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:24:29,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:24:29,803 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:24:29,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:24:29,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1081802070, now seen corresponding path program 6 times [2021-01-07 01:24:29,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:24:29,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672469299] [2021-01-07 01:24:29,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:24:29,828 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:24:29,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887737377] [2021-01-07 01:24:29,829 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:24:45,751 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-01-07 01:24:45,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:24:45,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 19 conjunts are in the unsatisfiable core [2021-01-07 01:24:45,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:24:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:24:46,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672469299] [2021-01-07 01:24:46,305 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:24:46,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887737377] [2021-01-07 01:24:46,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:24:46,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-01-07 01:24:46,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372544795] [2021-01-07 01:24:46,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-01-07 01:24:46,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:24:46,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-01-07 01:24:46,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2021-01-07 01:24:46,307 INFO L87 Difference]: Start difference. First operand 19627 states and 26591 transitions. Second operand 20 states. [2021-01-07 01:24:49,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:24:49,552 INFO L93 Difference]: Finished difference Result 19660 states and 26628 transitions. [2021-01-07 01:24:49,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-07 01:24:49,553 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 156 [2021-01-07 01:24:49,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:24:49,570 INFO L225 Difference]: With dead ends: 19660 [2021-01-07 01:24:49,570 INFO L226 Difference]: Without dead ends: 19652 [2021-01-07 01:24:49,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2021-01-07 01:24:49,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19652 states. [2021-01-07 01:24:51,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19652 to 19640. [2021-01-07 01:24:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19640 states. [2021-01-07 01:24:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19640 states to 19640 states and 26606 transitions. [2021-01-07 01:24:51,819 INFO L78 Accepts]: Start accepts. Automaton has 19640 states and 26606 transitions. Word has length 156 [2021-01-07 01:24:51,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:24:51,820 INFO L481 AbstractCegarLoop]: Abstraction has 19640 states and 26606 transitions. [2021-01-07 01:24:51,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2021-01-07 01:24:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 19640 states and 26606 transitions. [2021-01-07 01:24:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-01-07 01:24:51,838 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:24:51,838 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:24:52,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-01-07 01:24:52,039 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:24:52,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:24:52,040 INFO L82 PathProgramCache]: Analyzing trace with hash 285395785, now seen corresponding path program 7 times [2021-01-07 01:24:52,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:24:52,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721473153] [2021-01-07 01:24:52,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:24:52,065 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:24:52,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355686570] [2021-01-07 01:24:52,066 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:24:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 01:24:52,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1455 conjuncts, 20 conjunts are in the unsatisfiable core [2021-01-07 01:24:52,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:24:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:24:53,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721473153] [2021-01-07 01:24:53,279 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:24:53,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355686570] [2021-01-07 01:24:53,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:24:53,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-01-07 01:24:53,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954299532] [2021-01-07 01:24:53,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-01-07 01:24:53,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:24:53,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-01-07 01:24:53,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2021-01-07 01:24:53,280 INFO L87 Difference]: Start difference. First operand 19640 states and 26606 transitions. Second operand 21 states. [2021-01-07 01:24:56,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:24:56,031 INFO L93 Difference]: Finished difference Result 19673 states and 26643 transitions. [2021-01-07 01:24:56,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-07 01:24:56,032 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 160 [2021-01-07 01:24:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:24:56,050 INFO L225 Difference]: With dead ends: 19673 [2021-01-07 01:24:56,051 INFO L226 Difference]: Without dead ends: 19665 [2021-01-07 01:24:56,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2021-01-07 01:24:56,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19665 states. [2021-01-07 01:24:58,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19665 to 19653. [2021-01-07 01:24:58,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19653 states. [2021-01-07 01:24:58,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19653 states to 19653 states and 26621 transitions. [2021-01-07 01:24:58,287 INFO L78 Accepts]: Start accepts. Automaton has 19653 states and 26621 transitions. Word has length 160 [2021-01-07 01:24:58,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:24:58,288 INFO L481 AbstractCegarLoop]: Abstraction has 19653 states and 26621 transitions. [2021-01-07 01:24:58,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-01-07 01:24:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 19653 states and 26621 transitions. [2021-01-07 01:24:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-07 01:24:58,305 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:24:58,305 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:24:58,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-01-07 01:24:58,506 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:24:58,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:24:58,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1729965160, now seen corresponding path program 8 times [2021-01-07 01:24:58,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:24:58,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294200451] [2021-01-07 01:24:58,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:24:58,534 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:24:58,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1474017472] [2021-01-07 01:24:58,534 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:24:59,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 01:24:59,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:24:59,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1464 conjuncts, 21 conjunts are in the unsatisfiable core [2021-01-07 01:24:59,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:25:00,019 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:25:00,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294200451] [2021-01-07 01:25:00,019 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:25:00,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474017472] [2021-01-07 01:25:00,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:25:00,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2021-01-07 01:25:00,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510790880] [2021-01-07 01:25:00,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-07 01:25:00,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:25:00,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-07 01:25:00,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-01-07 01:25:00,021 INFO L87 Difference]: Start difference. First operand 19653 states and 26621 transitions. Second operand 22 states. [2021-01-07 01:25:03,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:25:03,283 INFO L93 Difference]: Finished difference Result 19686 states and 26658 transitions. [2021-01-07 01:25:03,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-07 01:25:03,284 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 164 [2021-01-07 01:25:03,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:25:03,305 INFO L225 Difference]: With dead ends: 19686 [2021-01-07 01:25:03,306 INFO L226 Difference]: Without dead ends: 19678 [2021-01-07 01:25:03,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-01-07 01:25:03,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19678 states. [2021-01-07 01:25:05,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19678 to 19666. [2021-01-07 01:25:05,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19666 states. [2021-01-07 01:25:05,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19666 states to 19666 states and 26636 transitions. [2021-01-07 01:25:05,606 INFO L78 Accepts]: Start accepts. Automaton has 19666 states and 26636 transitions. Word has length 164 [2021-01-07 01:25:05,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:25:05,606 INFO L481 AbstractCegarLoop]: Abstraction has 19666 states and 26636 transitions. [2021-01-07 01:25:05,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2021-01-07 01:25:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 19666 states and 26636 transitions. [2021-01-07 01:25:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-01-07 01:25:05,624 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:25:05,625 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:25:05,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-01-07 01:25:05,826 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:25:05,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:25:05,826 INFO L82 PathProgramCache]: Analyzing trace with hash 2027152903, now seen corresponding path program 9 times [2021-01-07 01:25:05,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:25:05,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639091619] [2021-01-07 01:25:05,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:25:05,849 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:25:05,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641494644] [2021-01-07 01:25:05,850 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:25:19,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2021-01-07 01:25:19,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:25:19,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 22 conjunts are in the unsatisfiable core [2021-01-07 01:25:19,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:25:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:25:20,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639091619] [2021-01-07 01:25:20,350 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:25:20,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641494644] [2021-01-07 01:25:20,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:25:20,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-01-07 01:25:20,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173382725] [2021-01-07 01:25:20,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-07 01:25:20,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:25:20,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-07 01:25:20,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2021-01-07 01:25:20,352 INFO L87 Difference]: Start difference. First operand 19666 states and 26636 transitions. Second operand 23 states. [2021-01-07 01:25:23,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:25:23,450 INFO L93 Difference]: Finished difference Result 19699 states and 26673 transitions. [2021-01-07 01:25:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-07 01:25:23,451 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 168 [2021-01-07 01:25:23,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:25:23,472 INFO L225 Difference]: With dead ends: 19699 [2021-01-07 01:25:23,472 INFO L226 Difference]: Without dead ends: 19691 [2021-01-07 01:25:23,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2021-01-07 01:25:23,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19691 states. [2021-01-07 01:25:25,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19691 to 19679. [2021-01-07 01:25:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19679 states. [2021-01-07 01:25:25,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19679 states to 19679 states and 26651 transitions. [2021-01-07 01:25:25,745 INFO L78 Accepts]: Start accepts. Automaton has 19679 states and 26651 transitions. Word has length 168 [2021-01-07 01:25:25,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:25:25,745 INFO L481 AbstractCegarLoop]: Abstraction has 19679 states and 26651 transitions. [2021-01-07 01:25:25,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-01-07 01:25:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 19679 states and 26651 transitions. [2021-01-07 01:25:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-01-07 01:25:25,763 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:25:25,763 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:25:25,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-01-07 01:25:25,967 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:25:25,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:25:25,968 INFO L82 PathProgramCache]: Analyzing trace with hash -146360282, now seen corresponding path program 10 times [2021-01-07 01:25:25,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:25:25,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700113809] [2021-01-07 01:25:25,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:25:25,992 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:25:25,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464129222] [2021-01-07 01:25:25,992 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 01:25:26,659 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-01-07 01:25:26,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 01:25:26,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 23 conjunts are in the unsatisfiable core [2021-01-07 01:25:26,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 01:25:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-07 01:25:27,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700113809] [2021-01-07 01:25:27,401 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 01:25:27,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464129222] [2021-01-07 01:25:27,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 01:25:27,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2021-01-07 01:25:27,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299952219] [2021-01-07 01:25:27,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-01-07 01:25:27,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 01:25:27,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-01-07 01:25:27,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2021-01-07 01:25:27,403 INFO L87 Difference]: Start difference. First operand 19679 states and 26651 transitions. Second operand 24 states. [2021-01-07 01:25:30,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 01:25:30,458 INFO L93 Difference]: Finished difference Result 19712 states and 26688 transitions. [2021-01-07 01:25:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-07 01:25:30,459 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 172 [2021-01-07 01:25:30,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 01:25:30,480 INFO L225 Difference]: With dead ends: 19712 [2021-01-07 01:25:30,481 INFO L226 Difference]: Without dead ends: 19704 [2021-01-07 01:25:30,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2021-01-07 01:25:30,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19704 states. [2021-01-07 01:25:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19704 to 19692. [2021-01-07 01:25:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19692 states. [2021-01-07 01:25:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19692 states to 19692 states and 26666 transitions. [2021-01-07 01:25:32,730 INFO L78 Accepts]: Start accepts. Automaton has 19692 states and 26666 transitions. Word has length 172 [2021-01-07 01:25:32,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 01:25:32,730 INFO L481 AbstractCegarLoop]: Abstraction has 19692 states and 26666 transitions. [2021-01-07 01:25:32,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-01-07 01:25:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 19692 states and 26666 transitions. [2021-01-07 01:25:32,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-01-07 01:25:32,755 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 01:25:32,756 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 01:25:32,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-01-07 01:25:32,969 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 01:25:32,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 01:25:32,970 INFO L82 PathProgramCache]: Analyzing trace with hash 2109039301, now seen corresponding path program 11 times [2021-01-07 01:25:32,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 01:25:32,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586170068] [2021-01-07 01:25:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 01:25:32,992 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 01:25:32,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805917334] [2021-01-07 01:25:32,993 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true