/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-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 17:35:10,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 17:35:10,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 17:35:10,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 17:35:10,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 17:35:10,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 17:35:10,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 17:35:10,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 17:35:10,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 17:35:10,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 17:35:10,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 17:35:10,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 17:35:10,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 17:35:10,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 17:35:10,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 17:35:10,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 17:35:10,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 17:35:10,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 17:35:10,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 17:35:10,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 17:35:10,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 17:35:10,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 17:35:10,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 17:35:10,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 17:35:10,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 17:35:10,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 17:35:10,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 17:35:10,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 17:35:10,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 17:35:10,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 17:35:10,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 17:35:10,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 17:35:10,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 17:35:10,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 17:35:10,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 17:35:10,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 17:35:10,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 17:35:10,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 17:35:10,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 17:35:10,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 17:35:10,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 17:35:10,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-23 17:35:10,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 17:35:10,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 17:35:10,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 17:35:10,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 17:35:10,377 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 17:35:10,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 17:35:10,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 17:35:10,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 17:35:10,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 17:35:10,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 17:35:10,379 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 17:35:10,379 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 17:35:10,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 17:35:10,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 17:35:10,380 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 17:35:10,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 17:35:10,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 17:35:10,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 17:35:10,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:35:10,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 17:35:10,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 17:35:10,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 17:35:10,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 17:35:10,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 17:35:10,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 17:35:10,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 17:35:10,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 17:35:10,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 17:35:10,904 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 17:35:10,906 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 17:35:10,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2020-12-23 17:35:11,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f58c49074/0d13e8e8accf478c8401fa879751de96/FLAGc6e65c808 [2020-12-23 17:35:11,862 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 17:35:11,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2020-12-23 17:35:11,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f58c49074/0d13e8e8accf478c8401fa879751de96/FLAGc6e65c808 [2020-12-23 17:35:12,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f58c49074/0d13e8e8accf478c8401fa879751de96 [2020-12-23 17:35:12,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 17:35:12,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 17:35:12,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 17:35:12,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 17:35:12,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 17:35:12,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:35:12" (1/1) ... [2020-12-23 17:35:12,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54326982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:12, skipping insertion in model container [2020-12-23 17:35:12,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:35:12" (1/1) ... [2020-12-23 17:35:12,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 17:35:12,167 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~UNLOADED~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~NP~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~DC~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~SKIP1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~SKIP2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MPR1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MPR3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~IPC~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~0,] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~DisketteExtension__ThreadReferenceCount~0,] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension~0,] left hand side expression in assignment: lhs: VariableLHS[~irpSp~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~1,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__HoldNewRequests~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp29~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__FloppyThread~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~1,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~irpSp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~nextIrpSp~0,] left hand side expression in assignment: lhs: VariableLHS[~nextIrpSp__Control~0,] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~irpSp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~irpSp__Context~0,] left hand side expression in assignment: lhs: VariableLHS[~irpSp__Control~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp30~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__HoldNewRequests~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~1,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__IsStarted~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__HoldNewRequests~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__IsStarted~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__IsRemoved~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~Dc~0,] left hand side expression in assignment: lhs: VariableLHS[~Fp~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension~1,] left hand side expression in assignment: lhs: VariableLHS[~irpSp~1,] left hand side expression in assignment: lhs: VariableLHS[~irpSp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~nextIrpSp~1,] left hand side expression in assignment: lhs: VariableLHS[~nextIrpSp__Control~1,] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~irpSp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~irpSp__Context~1,] left hand side expression in assignment: lhs: VariableLHS[~irpSp__Control~1,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp42~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~fdcInfo__BufferCount~0,] left hand side expression in assignment: lhs: VariableLHS[~fdcInfo__BufferSize~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__MaxTransferSize~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~InterfaceType~0,] left hand side expression in assignment: lhs: VariableLHS[~fdcInfo__BusType~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__DeviceUnit~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__DriveOnValue~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__DeviceUnit~0,] left hand side expression in assignment: lhs: VariableLHS[~pnpStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~pnpStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__IsStarted~1,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__HoldNewRequests~1,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~2,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~irp~0,] left hand side expression in assignment: lhs: VariableLHS[~irpStack~0,] left hand side expression in assignment: lhs: VariableLHS[~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~2,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~FloppyThread~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~KernelMode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Suspended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Executive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~DiskController~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~FloppyDiskPeripheral~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~FlConfigCallBack~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MaximumInterfaceType~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MOUNTDEV_MOUNTED_DEVICE_GUID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~UNLOADED~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~NP~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~DC~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~SKIP1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~SKIP2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MPR1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MPR3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~IPC~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~pirp~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pirp__IoStatus__Status~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pirp__IoStatus__Status~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_4~0,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_9~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRetStatus1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_11~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal2~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal2~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal2~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_15~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~2,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status___0~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~mountName~0,] left hand side expression in assignment: lhs: VariableLHS[~mountName__NameLength~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp82~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~uniqueId~0,] left hand side expression in assignment: lhs: VariableLHS[~uniqueId__UniqueIdLength~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp83~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~formatExParameters~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~outputBufferLength~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp89~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp90~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp91~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status___0~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~4,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~4,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~4,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~4,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~4,] [2020-12-23 17:35:12,862 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/ntdrivers-simplified/floppy_simpl4.cil-2.c[48585,48598] [2020-12-23 17:35:12,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:35:12,895 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~UNLOADED~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~NP~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~DC~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~SKIP1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~SKIP2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MPR1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MPR3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~IPC~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~0,] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~DisketteExtension__ThreadReferenceCount~0,] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension~0,] left hand side expression in assignment: lhs: VariableLHS[~irpSp~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~1,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__HoldNewRequests~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp29~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__FloppyThread~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~1,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~irpSp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~nextIrpSp~0,] left hand side expression in assignment: lhs: VariableLHS[~nextIrpSp__Control~0,] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~irpSp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~irpSp__Context~0,] left hand side expression in assignment: lhs: VariableLHS[~irpSp__Control~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp30~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__HoldNewRequests~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~1,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__IsStarted~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__HoldNewRequests~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__IsStarted~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__IsRemoved~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~1,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~Dc~0,] left hand side expression in assignment: lhs: VariableLHS[~Fp~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension~1,] left hand side expression in assignment: lhs: VariableLHS[~irpSp~1,] left hand side expression in assignment: lhs: VariableLHS[~irpSp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~nextIrpSp~1,] left hand side expression in assignment: lhs: VariableLHS[~nextIrpSp__Control~1,] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~irpSp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~irpSp__Context~1,] left hand side expression in assignment: lhs: VariableLHS[~irpSp__Control~1,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp42~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~fdcInfo__BufferCount~0,] left hand side expression in assignment: lhs: VariableLHS[~fdcInfo__BufferSize~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__MaxTransferSize~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~InterfaceType~0,] left hand side expression in assignment: lhs: VariableLHS[~fdcInfo__BusType~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__DeviceUnit~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__DriveOnValue~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__DeviceUnit~0,] left hand side expression in assignment: lhs: VariableLHS[~pnpStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~pnpStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__IsStarted~1,] left hand side expression in assignment: lhs: VariableLHS[~disketteExtension__HoldNewRequests~1,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~2,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~irp~0,] left hand side expression in assignment: lhs: VariableLHS[~irpStack~0,] left hand side expression in assignment: lhs: VariableLHS[~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~2,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~FloppyThread~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~KernelMode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Suspended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Executive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~DiskController~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~FloppyDiskPeripheral~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~FlConfigCallBack~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MaximumInterfaceType~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MOUNTDEV_MOUNTED_DEVICE_GUID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~UNLOADED~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~NP~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~DC~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~SKIP1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~SKIP2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MPR1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~MPR3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~IPC~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~pirp~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRegistered~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pirp__IoStatus__Status~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pirp__IoStatus__Status~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_4~0,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~status~1,] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_9~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRetStatus1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_11~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal2~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal2~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal2~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~lowerDriverReturn~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~setEventCalled~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~customIrp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_15~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~2,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status___0~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~mountName~0,] left hand side expression in assignment: lhs: VariableLHS[~mountName__NameLength~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp82~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~uniqueId~0,] left hand side expression in assignment: lhs: VariableLHS[~uniqueId__UniqueIdLength~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp83~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~formatExParameters~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~outputBufferLength~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp89~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp90~0,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp91~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status___0~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~4,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~4,] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~4,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~4,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pended~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ntStatus~4,] [2020-12-23 17:35:13,043 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/ntdrivers-simplified/floppy_simpl4.cil-2.c[48585,48598] [2020-12-23 17:35:13,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:35:13,098 INFO L208 MainTranslator]: Completed translation [2020-12-23 17:35:13,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13 WrapperNode [2020-12-23 17:35:13,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 17:35:13,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 17:35:13,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 17:35:13,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 17:35:13,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 17:35:13,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 17:35:13,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 17:35:13,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 17:35:13,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... [2020-12-23 17:35:13,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 17:35:13,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 17:35:13,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 17:35:13,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 17:35:13,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:35:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 17:35:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 17:35:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 17:35:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 17:35:14,075 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,100 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,108 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,118 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,122 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,123 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,131 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,142 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,148 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,152 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,153 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,157 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,161 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,168 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,171 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,172 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,174 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,176 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,177 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,178 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,184 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,189 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,192 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,194 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,196 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,198 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,203 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,205 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,205 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:14,208 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:15,612 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##658: assume !false; [2020-12-23 17:35:15,613 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##657: assume false; [2020-12-23 17:35:15,613 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##665: assume !false; [2020-12-23 17:35:15,613 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##664: assume false; [2020-12-23 17:35:15,613 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##683: assume false; [2020-12-23 17:35:15,613 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume !false; [2020-12-23 17:35:15,614 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2020-12-23 17:35:15,614 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2020-12-23 17:35:15,614 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume false; [2020-12-23 17:35:15,614 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##640: assume !false; [2020-12-23 17:35:15,614 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-12-23 17:35:15,615 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-12-23 17:35:15,615 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-12-23 17:35:15,615 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-12-23 17:35:15,615 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume !false; [2020-12-23 17:35:15,615 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume false; [2020-12-23 17:35:15,615 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2020-12-23 17:35:15,615 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2020-12-23 17:35:15,616 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-12-23 17:35:15,616 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-12-23 17:35:15,616 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##369: assume !false; [2020-12-23 17:35:15,616 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume !false; [2020-12-23 17:35:15,617 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##374: assume false; [2020-12-23 17:35:15,617 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2020-12-23 17:35:15,617 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2020-12-23 17:35:15,617 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##357: assume false; [2020-12-23 17:35:15,617 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##358: assume !false; [2020-12-23 17:35:15,617 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##368: assume false; [2020-12-23 17:35:15,618 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume !false; [2020-12-23 17:35:15,618 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##403: assume false; [2020-12-23 17:35:15,618 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume !false; [2020-12-23 17:35:15,618 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume false; [2020-12-23 17:35:15,618 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2020-12-23 17:35:15,618 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2020-12-23 17:35:15,619 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##439: assume false; [2020-12-23 17:35:15,619 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##440: assume !false; [2020-12-23 17:35:15,619 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2020-12-23 17:35:15,619 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2020-12-23 17:35:15,619 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##485: assume !false; [2020-12-23 17:35:15,620 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##484: assume false; [2020-12-23 17:35:15,620 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##524: assume !false; [2020-12-23 17:35:15,620 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##523: assume false; [2020-12-23 17:35:15,620 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##558: assume !false; [2020-12-23 17:35:15,620 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##557: assume false; [2020-12-23 17:35:15,621 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2020-12-23 17:35:15,621 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2020-12-23 17:35:15,621 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume !false; [2020-12-23 17:35:15,621 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume false; [2020-12-23 17:35:15,621 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume false; [2020-12-23 17:35:15,621 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##145: assume !false; [2020-12-23 17:35:15,622 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2020-12-23 17:35:15,622 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2020-12-23 17:35:15,622 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2020-12-23 17:35:15,622 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2020-12-23 17:35:15,622 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2020-12-23 17:35:15,622 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2020-12-23 17:35:15,623 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##588: assume !false; [2020-12-23 17:35:15,623 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##587: assume false; [2020-12-23 17:35:15,623 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2020-12-23 17:35:15,623 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2020-12-23 17:35:15,646 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 17:35:15,646 INFO L299 CfgBuilder]: Removed 275 assume(true) statements. [2020-12-23 17:35:15,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:35:15 BoogieIcfgContainer [2020-12-23 17:35:15,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 17:35:15,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 17:35:15,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 17:35:15,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 17:35:15,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:35:12" (1/3) ... [2020-12-23 17:35:15,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772594df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:35:15, skipping insertion in model container [2020-12-23 17:35:15,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:13" (2/3) ... [2020-12-23 17:35:15,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772594df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:35:15, skipping insertion in model container [2020-12-23 17:35:15,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:35:15" (3/3) ... [2020-12-23 17:35:15,666 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-2.c [2020-12-23 17:35:15,673 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 17:35:15,680 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 54 error locations. [2020-12-23 17:35:15,703 INFO L253 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2020-12-23 17:35:15,729 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 17:35:15,729 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 17:35:15,730 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 17:35:15,730 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 17:35:15,730 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 17:35:15,743 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 17:35:15,743 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 17:35:15,743 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 17:35:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states. [2020-12-23 17:35:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 17:35:15,796 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:15,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:15,798 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:15,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:15,805 INFO L82 PathProgramCache]: Analyzing trace with hash -570890814, now seen corresponding path program 1 times [2020-12-23 17:35:15,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:15,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143478257] [2020-12-23 17:35:15,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:16,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143478257] [2020-12-23 17:35:16,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:16,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:16,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800714794] [2020-12-23 17:35:16,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:16,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:16,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:16,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:16,149 INFO L87 Difference]: Start difference. First operand 571 states. Second operand 3 states. [2020-12-23 17:35:16,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:16,332 INFO L93 Difference]: Finished difference Result 572 states and 772 transitions. [2020-12-23 17:35:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:16,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-23 17:35:16,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:16,381 INFO L225 Difference]: With dead ends: 572 [2020-12-23 17:35:16,382 INFO L226 Difference]: Without dead ends: 570 [2020-12-23 17:35:16,384 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 [2020-12-23 17:35:16,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-12-23 17:35:16,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 569. [2020-12-23 17:35:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-12-23 17:35:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 769 transitions. [2020-12-23 17:35:16,546 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 769 transitions. Word has length 7 [2020-12-23 17:35:16,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:16,547 INFO L481 AbstractCegarLoop]: Abstraction has 569 states and 769 transitions. [2020-12-23 17:35:16,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 769 transitions. [2020-12-23 17:35:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 17:35:16,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:16,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:16,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 17:35:16,551 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:16,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:16,553 INFO L82 PathProgramCache]: Analyzing trace with hash 538056098, now seen corresponding path program 1 times [2020-12-23 17:35:16,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:16,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657853835] [2020-12-23 17:35:16,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:16,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657853835] [2020-12-23 17:35:16,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:16,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:16,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132673621] [2020-12-23 17:35:16,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:16,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:16,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:16,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:16,695 INFO L87 Difference]: Start difference. First operand 569 states and 769 transitions. Second operand 3 states. [2020-12-23 17:35:17,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:17,103 INFO L93 Difference]: Finished difference Result 696 states and 948 transitions. [2020-12-23 17:35:17,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:17,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-12-23 17:35:17,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:17,109 INFO L225 Difference]: With dead ends: 696 [2020-12-23 17:35:17,110 INFO L226 Difference]: Without dead ends: 696 [2020-12-23 17:35:17,110 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 [2020-12-23 17:35:17,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-12-23 17:35:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 669. [2020-12-23 17:35:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-12-23 17:35:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 916 transitions. [2020-12-23 17:35:17,133 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 916 transitions. Word has length 10 [2020-12-23 17:35:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:17,134 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 916 transitions. [2020-12-23 17:35:17,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 916 transitions. [2020-12-23 17:35:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-23 17:35:17,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:17,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:17,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 17:35:17,136 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:17,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:17,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1720754749, now seen corresponding path program 1 times [2020-12-23 17:35:17,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:17,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055540297] [2020-12-23 17:35:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:17,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055540297] [2020-12-23 17:35:17,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:17,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:35:17,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517157075] [2020-12-23 17:35:17,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:17,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:17,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:17,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:17,210 INFO L87 Difference]: Start difference. First operand 669 states and 916 transitions. Second operand 3 states. [2020-12-23 17:35:17,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:17,229 INFO L93 Difference]: Finished difference Result 668 states and 915 transitions. [2020-12-23 17:35:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:17,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-12-23 17:35:17,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:17,234 INFO L225 Difference]: With dead ends: 668 [2020-12-23 17:35:17,235 INFO L226 Difference]: Without dead ends: 663 [2020-12-23 17:35:17,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:17,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2020-12-23 17:35:17,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2020-12-23 17:35:17,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-12-23 17:35:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 901 transitions. [2020-12-23 17:35:17,263 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 901 transitions. Word has length 12 [2020-12-23 17:35:17,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:17,263 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 901 transitions. [2020-12-23 17:35:17,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 901 transitions. [2020-12-23 17:35:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 17:35:17,265 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:17,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:17,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 17:35:17,266 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:17,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:17,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1535696421, now seen corresponding path program 1 times [2020-12-23 17:35:17,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:17,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18359816] [2020-12-23 17:35:17,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:17,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18359816] [2020-12-23 17:35:17,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:17,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:17,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865595267] [2020-12-23 17:35:17,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:17,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:17,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:17,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:17,430 INFO L87 Difference]: Start difference. First operand 663 states and 901 transitions. Second operand 3 states. [2020-12-23 17:35:17,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:17,477 INFO L93 Difference]: Finished difference Result 732 states and 987 transitions. [2020-12-23 17:35:17,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:17,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-23 17:35:17,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:17,482 INFO L225 Difference]: With dead ends: 732 [2020-12-23 17:35:17,482 INFO L226 Difference]: Without dead ends: 732 [2020-12-23 17:35:17,483 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 [2020-12-23 17:35:17,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-12-23 17:35:17,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 677. [2020-12-23 17:35:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-12-23 17:35:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 929 transitions. [2020-12-23 17:35:17,507 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 929 transitions. Word has length 16 [2020-12-23 17:35:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:17,508 INFO L481 AbstractCegarLoop]: Abstraction has 677 states and 929 transitions. [2020-12-23 17:35:17,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 929 transitions. [2020-12-23 17:35:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 17:35:17,521 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:17,521 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:17,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 17:35:17,523 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:17,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:17,525 INFO L82 PathProgramCache]: Analyzing trace with hash 107438083, now seen corresponding path program 1 times [2020-12-23 17:35:17,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:17,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002568363] [2020-12-23 17:35:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:17,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002568363] [2020-12-23 17:35:17,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:17,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:17,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003960461] [2020-12-23 17:35:17,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:17,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:17,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:17,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:17,630 INFO L87 Difference]: Start difference. First operand 677 states and 929 transitions. Second operand 3 states. [2020-12-23 17:35:17,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:17,837 INFO L93 Difference]: Finished difference Result 700 states and 958 transitions. [2020-12-23 17:35:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:17,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-23 17:35:17,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:17,841 INFO L225 Difference]: With dead ends: 700 [2020-12-23 17:35:17,842 INFO L226 Difference]: Without dead ends: 700 [2020-12-23 17:35:17,842 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 [2020-12-23 17:35:17,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-12-23 17:35:17,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2020-12-23 17:35:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-12-23 17:35:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 958 transitions. [2020-12-23 17:35:17,860 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 958 transitions. Word has length 19 [2020-12-23 17:35:17,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:17,860 INFO L481 AbstractCegarLoop]: Abstraction has 700 states and 958 transitions. [2020-12-23 17:35:17,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 958 transitions. [2020-12-23 17:35:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 17:35:17,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:17,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:17,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 17:35:17,870 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:17,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:17,870 INFO L82 PathProgramCache]: Analyzing trace with hash 98463890, now seen corresponding path program 1 times [2020-12-23 17:35:17,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:17,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7662679] [2020-12-23 17:35:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:17,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7662679] [2020-12-23 17:35:17,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:17,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:17,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761726019] [2020-12-23 17:35:17,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:17,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:17,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:17,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:17,990 INFO L87 Difference]: Start difference. First operand 700 states and 958 transitions. Second operand 3 states. [2020-12-23 17:35:18,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:18,047 INFO L93 Difference]: Finished difference Result 843 states and 1148 transitions. [2020-12-23 17:35:18,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:18,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-23 17:35:18,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:18,055 INFO L225 Difference]: With dead ends: 843 [2020-12-23 17:35:18,055 INFO L226 Difference]: Without dead ends: 843 [2020-12-23 17:35:18,056 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 [2020-12-23 17:35:18,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2020-12-23 17:35:18,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 682. [2020-12-23 17:35:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-12-23 17:35:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 934 transitions. [2020-12-23 17:35:18,075 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 934 transitions. Word has length 19 [2020-12-23 17:35:18,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:18,076 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 934 transitions. [2020-12-23 17:35:18,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 934 transitions. [2020-12-23 17:35:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 17:35:18,080 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:18,080 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] [2020-12-23 17:35:18,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 17:35:18,081 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:18,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:18,081 INFO L82 PathProgramCache]: Analyzing trace with hash -946930085, now seen corresponding path program 1 times [2020-12-23 17:35:18,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:18,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962448593] [2020-12-23 17:35:18,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:18,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962448593] [2020-12-23 17:35:18,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:18,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:18,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602523957] [2020-12-23 17:35:18,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:18,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:18,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:18,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:18,224 INFO L87 Difference]: Start difference. First operand 682 states and 934 transitions. Second operand 4 states. [2020-12-23 17:35:18,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:18,488 INFO L93 Difference]: Finished difference Result 682 states and 933 transitions. [2020-12-23 17:35:18,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:18,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-23 17:35:18,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:18,495 INFO L225 Difference]: With dead ends: 682 [2020-12-23 17:35:18,495 INFO L226 Difference]: Without dead ends: 682 [2020-12-23 17:35:18,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:18,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-12-23 17:35:18,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2020-12-23 17:35:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-12-23 17:35:18,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 933 transitions. [2020-12-23 17:35:18,516 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 933 transitions. Word has length 20 [2020-12-23 17:35:18,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:18,517 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 933 transitions. [2020-12-23 17:35:18,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 933 transitions. [2020-12-23 17:35:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 17:35:18,518 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:18,518 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] [2020-12-23 17:35:18,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 17:35:18,520 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:18,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:18,521 INFO L82 PathProgramCache]: Analyzing trace with hash 180670674, now seen corresponding path program 1 times [2020-12-23 17:35:18,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:18,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138809032] [2020-12-23 17:35:18,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:18,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138809032] [2020-12-23 17:35:18,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:18,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:18,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481247915] [2020-12-23 17:35:18,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:18,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:18,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:18,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:18,630 INFO L87 Difference]: Start difference. First operand 682 states and 933 transitions. Second operand 4 states. [2020-12-23 17:35:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:18,854 INFO L93 Difference]: Finished difference Result 682 states and 932 transitions. [2020-12-23 17:35:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:18,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-12-23 17:35:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:18,858 INFO L225 Difference]: With dead ends: 682 [2020-12-23 17:35:18,858 INFO L226 Difference]: Without dead ends: 682 [2020-12-23 17:35:18,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-12-23 17:35:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2020-12-23 17:35:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-12-23 17:35:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 932 transitions. [2020-12-23 17:35:18,874 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 932 transitions. Word has length 21 [2020-12-23 17:35:18,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:18,875 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 932 transitions. [2020-12-23 17:35:18,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 932 transitions. [2020-12-23 17:35:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 17:35:18,876 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:18,876 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] [2020-12-23 17:35:18,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 17:35:18,877 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:18,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:18,878 INFO L82 PathProgramCache]: Analyzing trace with hash 945560178, now seen corresponding path program 1 times [2020-12-23 17:35:18,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:18,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432288004] [2020-12-23 17:35:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:18,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432288004] [2020-12-23 17:35:18,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:18,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:18,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614611102] [2020-12-23 17:35:18,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:18,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:18,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:18,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:18,917 INFO L87 Difference]: Start difference. First operand 682 states and 932 transitions. Second operand 4 states. [2020-12-23 17:35:18,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:18,955 INFO L93 Difference]: Finished difference Result 692 states and 941 transitions. [2020-12-23 17:35:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:18,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-12-23 17:35:18,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:18,960 INFO L225 Difference]: With dead ends: 692 [2020-12-23 17:35:18,960 INFO L226 Difference]: Without dead ends: 674 [2020-12-23 17:35:18,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:18,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2020-12-23 17:35:18,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2020-12-23 17:35:18,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-12-23 17:35:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 922 transitions. [2020-12-23 17:35:18,975 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 922 transitions. Word has length 22 [2020-12-23 17:35:18,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:18,975 INFO L481 AbstractCegarLoop]: Abstraction has 674 states and 922 transitions. [2020-12-23 17:35:18,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 922 transitions. [2020-12-23 17:35:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 17:35:18,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:18,977 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] [2020-12-23 17:35:18,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 17:35:18,977 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:18,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:18,978 INFO L82 PathProgramCache]: Analyzing trace with hash 2136813194, now seen corresponding path program 1 times [2020-12-23 17:35:18,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:18,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447817150] [2020-12-23 17:35:18,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:19,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447817150] [2020-12-23 17:35:19,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:19,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143173284] [2020-12-23 17:35:19,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:19,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:19,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:19,024 INFO L87 Difference]: Start difference. First operand 674 states and 922 transitions. Second operand 3 states. [2020-12-23 17:35:19,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,230 INFO L93 Difference]: Finished difference Result 658 states and 905 transitions. [2020-12-23 17:35:19,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:19,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-12-23 17:35:19,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,235 INFO L225 Difference]: With dead ends: 658 [2020-12-23 17:35:19,235 INFO L226 Difference]: Without dead ends: 658 [2020-12-23 17:35:19,236 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 [2020-12-23 17:35:19,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-12-23 17:35:19,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2020-12-23 17:35:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-12-23 17:35:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 905 transitions. [2020-12-23 17:35:19,253 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 905 transitions. Word has length 23 [2020-12-23 17:35:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,256 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 905 transitions. [2020-12-23 17:35:19,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 905 transitions. [2020-12-23 17:35:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 17:35:19,257 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,258 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] [2020-12-23 17:35:19,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 17:35:19,258 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1371761021, now seen corresponding path program 1 times [2020-12-23 17:35:19,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35197645] [2020-12-23 17:35:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:19,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35197645] [2020-12-23 17:35:19,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:19,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401858212] [2020-12-23 17:35:19,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:19,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:19,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:19,331 INFO L87 Difference]: Start difference. First operand 658 states and 905 transitions. Second operand 4 states. [2020-12-23 17:35:19,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,393 INFO L93 Difference]: Finished difference Result 731 states and 982 transitions. [2020-12-23 17:35:19,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:19,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-12-23 17:35:19,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,398 INFO L225 Difference]: With dead ends: 731 [2020-12-23 17:35:19,398 INFO L226 Difference]: Without dead ends: 731 [2020-12-23 17:35:19,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:19,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-12-23 17:35:19,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 660. [2020-12-23 17:35:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-12-23 17:35:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 907 transitions. [2020-12-23 17:35:19,417 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 907 transitions. Word has length 25 [2020-12-23 17:35:19,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,417 INFO L481 AbstractCegarLoop]: Abstraction has 660 states and 907 transitions. [2020-12-23 17:35:19,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 907 transitions. [2020-12-23 17:35:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 17:35:19,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,419 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] [2020-12-23 17:35:19,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 17:35:19,420 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,421 INFO L82 PathProgramCache]: Analyzing trace with hash 458221239, now seen corresponding path program 1 times [2020-12-23 17:35:19,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958340207] [2020-12-23 17:35:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:19,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958340207] [2020-12-23 17:35:19,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:19,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294741606] [2020-12-23 17:35:19,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:19,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:19,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:19,473 INFO L87 Difference]: Start difference. First operand 660 states and 907 transitions. Second operand 4 states. [2020-12-23 17:35:19,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,515 INFO L93 Difference]: Finished difference Result 671 states and 917 transitions. [2020-12-23 17:35:19,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:19,516 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-12-23 17:35:19,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,520 INFO L225 Difference]: With dead ends: 671 [2020-12-23 17:35:19,520 INFO L226 Difference]: Without dead ends: 658 [2020-12-23 17:35:19,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:19,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-12-23 17:35:19,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2020-12-23 17:35:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-12-23 17:35:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 904 transitions. [2020-12-23 17:35:19,536 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 904 transitions. Word has length 26 [2020-12-23 17:35:19,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,537 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 904 transitions. [2020-12-23 17:35:19,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 904 transitions. [2020-12-23 17:35:19,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 17:35:19,538 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,538 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] [2020-12-23 17:35:19,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 17:35:19,539 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,540 INFO L82 PathProgramCache]: Analyzing trace with hash 2044140679, now seen corresponding path program 1 times [2020-12-23 17:35:19,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257933168] [2020-12-23 17:35:19,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:19,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257933168] [2020-12-23 17:35:19,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:19,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562089077] [2020-12-23 17:35:19,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:19,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:19,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:19,588 INFO L87 Difference]: Start difference. First operand 658 states and 904 transitions. Second operand 4 states. [2020-12-23 17:35:19,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,642 INFO L93 Difference]: Finished difference Result 675 states and 920 transitions. [2020-12-23 17:35:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:19,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-12-23 17:35:19,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,646 INFO L225 Difference]: With dead ends: 675 [2020-12-23 17:35:19,647 INFO L226 Difference]: Without dead ends: 675 [2020-12-23 17:35:19,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:19,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-12-23 17:35:19,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 660. [2020-12-23 17:35:19,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-12-23 17:35:19,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 906 transitions. [2020-12-23 17:35:19,663 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 906 transitions. Word has length 27 [2020-12-23 17:35:19,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,663 INFO L481 AbstractCegarLoop]: Abstraction has 660 states and 906 transitions. [2020-12-23 17:35:19,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 906 transitions. [2020-12-23 17:35:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 17:35:19,665 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,665 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] [2020-12-23 17:35:19,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 17:35:19,666 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,666 INFO L82 PathProgramCache]: Analyzing trace with hash -610986493, now seen corresponding path program 1 times [2020-12-23 17:35:19,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255646008] [2020-12-23 17:35:19,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:19,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255646008] [2020-12-23 17:35:19,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:19,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968398924] [2020-12-23 17:35:19,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:19,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:19,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:19,712 INFO L87 Difference]: Start difference. First operand 660 states and 906 transitions. Second operand 3 states. [2020-12-23 17:35:19,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,741 INFO L93 Difference]: Finished difference Result 676 states and 916 transitions. [2020-12-23 17:35:19,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:19,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-23 17:35:19,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,745 INFO L225 Difference]: With dead ends: 676 [2020-12-23 17:35:19,745 INFO L226 Difference]: Without dead ends: 639 [2020-12-23 17:35:19,747 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 [2020-12-23 17:35:19,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-12-23 17:35:19,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 635. [2020-12-23 17:35:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-12-23 17:35:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 869 transitions. [2020-12-23 17:35:19,762 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 869 transitions. Word has length 27 [2020-12-23 17:35:19,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,763 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 869 transitions. [2020-12-23 17:35:19,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 869 transitions. [2020-12-23 17:35:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 17:35:19,764 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,764 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] [2020-12-23 17:35:19,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 17:35:19,765 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1636712997, now seen corresponding path program 1 times [2020-12-23 17:35:19,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629896756] [2020-12-23 17:35:19,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:19,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629896756] [2020-12-23 17:35:19,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:19,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308515767] [2020-12-23 17:35:19,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:19,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:19,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:19,813 INFO L87 Difference]: Start difference. First operand 635 states and 869 transitions. Second operand 4 states. [2020-12-23 17:35:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,862 INFO L93 Difference]: Finished difference Result 652 states and 885 transitions. [2020-12-23 17:35:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:19,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-12-23 17:35:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,866 INFO L225 Difference]: With dead ends: 652 [2020-12-23 17:35:19,866 INFO L226 Difference]: Without dead ends: 652 [2020-12-23 17:35:19,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-12-23 17:35:19,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 635. [2020-12-23 17:35:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-12-23 17:35:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 869 transitions. [2020-12-23 17:35:19,879 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 869 transitions. Word has length 28 [2020-12-23 17:35:19,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,879 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 869 transitions. [2020-12-23 17:35:19,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 869 transitions. [2020-12-23 17:35:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 17:35:19,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,880 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] [2020-12-23 17:35:19,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 17:35:19,881 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,882 INFO L82 PathProgramCache]: Analyzing trace with hash 830792837, now seen corresponding path program 1 times [2020-12-23 17:35:19,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894199260] [2020-12-23 17:35:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:19,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894199260] [2020-12-23 17:35:19,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:19,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435828300] [2020-12-23 17:35:19,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:19,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:19,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:19,917 INFO L87 Difference]: Start difference. First operand 635 states and 869 transitions. Second operand 3 states. [2020-12-23 17:35:20,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,118 INFO L93 Difference]: Finished difference Result 806 states and 1098 transitions. [2020-12-23 17:35:20,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:20,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-23 17:35:20,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,124 INFO L225 Difference]: With dead ends: 806 [2020-12-23 17:35:20,124 INFO L226 Difference]: Without dead ends: 806 [2020-12-23 17:35:20,125 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 [2020-12-23 17:35:20,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-12-23 17:35:20,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 653. [2020-12-23 17:35:20,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-12-23 17:35:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 896 transitions. [2020-12-23 17:35:20,144 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 896 transitions. Word has length 28 [2020-12-23 17:35:20,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,144 INFO L481 AbstractCegarLoop]: Abstraction has 653 states and 896 transitions. [2020-12-23 17:35:20,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 896 transitions. [2020-12-23 17:35:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 17:35:20,147 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:20,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 17:35:20,147 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1706821771, now seen corresponding path program 1 times [2020-12-23 17:35:20,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981581880] [2020-12-23 17:35:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:20,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981581880] [2020-12-23 17:35:20,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:20,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921594381] [2020-12-23 17:35:20,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:20,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:20,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:20,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:20,224 INFO L87 Difference]: Start difference. First operand 653 states and 896 transitions. Second operand 4 states. [2020-12-23 17:35:20,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,272 INFO L93 Difference]: Finished difference Result 664 states and 906 transitions. [2020-12-23 17:35:20,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:20,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-12-23 17:35:20,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,277 INFO L225 Difference]: With dead ends: 664 [2020-12-23 17:35:20,277 INFO L226 Difference]: Without dead ends: 651 [2020-12-23 17:35:20,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-12-23 17:35:20,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 651. [2020-12-23 17:35:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-12-23 17:35:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 893 transitions. [2020-12-23 17:35:20,293 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 893 transitions. Word has length 28 [2020-12-23 17:35:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,295 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 893 transitions. [2020-12-23 17:35:20,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 893 transitions. [2020-12-23 17:35:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-23 17:35:20,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,297 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] [2020-12-23 17:35:20,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 17:35:20,297 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,298 INFO L82 PathProgramCache]: Analyzing trace with hash -22883762, now seen corresponding path program 1 times [2020-12-23 17:35:20,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105651077] [2020-12-23 17:35:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:20,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105651077] [2020-12-23 17:35:20,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:20,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598098065] [2020-12-23 17:35:20,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:20,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:20,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:20,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:20,427 INFO L87 Difference]: Start difference. First operand 651 states and 893 transitions. Second operand 4 states. [2020-12-23 17:35:20,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,685 INFO L93 Difference]: Finished difference Result 685 states and 914 transitions. [2020-12-23 17:35:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:20,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-12-23 17:35:20,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,690 INFO L225 Difference]: With dead ends: 685 [2020-12-23 17:35:20,690 INFO L226 Difference]: Without dead ends: 685 [2020-12-23 17:35:20,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:20,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-12-23 17:35:20,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 634. [2020-12-23 17:35:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-12-23 17:35:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 857 transitions. [2020-12-23 17:35:20,721 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 857 transitions. Word has length 29 [2020-12-23 17:35:20,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,721 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 857 transitions. [2020-12-23 17:35:20,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 857 transitions. [2020-12-23 17:35:20,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 17:35:20,723 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,723 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] [2020-12-23 17:35:20,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 17:35:20,723 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,724 INFO L82 PathProgramCache]: Analyzing trace with hash -879197601, now seen corresponding path program 1 times [2020-12-23 17:35:20,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646081152] [2020-12-23 17:35:20,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:20,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646081152] [2020-12-23 17:35:20,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:20,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673855481] [2020-12-23 17:35:20,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:20,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:20,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:20,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:20,792 INFO L87 Difference]: Start difference. First operand 634 states and 857 transitions. Second operand 5 states. [2020-12-23 17:35:20,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,866 INFO L93 Difference]: Finished difference Result 649 states and 871 transitions. [2020-12-23 17:35:20,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:20,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-23 17:35:20,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,870 INFO L225 Difference]: With dead ends: 649 [2020-12-23 17:35:20,871 INFO L226 Difference]: Without dead ends: 634 [2020-12-23 17:35:20,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:20,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-12-23 17:35:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-12-23 17:35:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-12-23 17:35:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 845 transitions. [2020-12-23 17:35:20,899 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 845 transitions. Word has length 31 [2020-12-23 17:35:20,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,900 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 845 transitions. [2020-12-23 17:35:20,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 845 transitions. [2020-12-23 17:35:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 17:35:20,901 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,901 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] [2020-12-23 17:35:20,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 17:35:20,909 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,910 INFO L82 PathProgramCache]: Analyzing trace with hash 932056973, now seen corresponding path program 1 times [2020-12-23 17:35:20,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499696048] [2020-12-23 17:35:20,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:20,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499696048] [2020-12-23 17:35:20,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:20,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125561174] [2020-12-23 17:35:20,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:20,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:20,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:20,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:20,989 INFO L87 Difference]: Start difference. First operand 634 states and 845 transitions. Second operand 4 states. [2020-12-23 17:35:21,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,189 INFO L93 Difference]: Finished difference Result 636 states and 837 transitions. [2020-12-23 17:35:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:21,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-23 17:35:21,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,192 INFO L225 Difference]: With dead ends: 636 [2020-12-23 17:35:21,192 INFO L226 Difference]: Without dead ends: 636 [2020-12-23 17:35:21,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:21,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-12-23 17:35:21,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 634. [2020-12-23 17:35:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-12-23 17:35:21,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 836 transitions. [2020-12-23 17:35:21,206 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 836 transitions. Word has length 31 [2020-12-23 17:35:21,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,206 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 836 transitions. [2020-12-23 17:35:21,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:21,206 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 836 transitions. [2020-12-23 17:35:21,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 17:35:21,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,208 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] [2020-12-23 17:35:21,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 17:35:21,208 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1700782205, now seen corresponding path program 1 times [2020-12-23 17:35:21,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029450310] [2020-12-23 17:35:21,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:21,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029450310] [2020-12-23 17:35:21,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:21,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645921561] [2020-12-23 17:35:21,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:21,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:21,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:21,251 INFO L87 Difference]: Start difference. First operand 634 states and 836 transitions. Second operand 3 states. [2020-12-23 17:35:21,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,387 INFO L93 Difference]: Finished difference Result 636 states and 839 transitions. [2020-12-23 17:35:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:21,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-12-23 17:35:21,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,392 INFO L225 Difference]: With dead ends: 636 [2020-12-23 17:35:21,392 INFO L226 Difference]: Without dead ends: 636 [2020-12-23 17:35:21,392 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 [2020-12-23 17:35:21,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-12-23 17:35:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2020-12-23 17:35:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-12-23 17:35:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 839 transitions. [2020-12-23 17:35:21,407 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 839 transitions. Word has length 31 [2020-12-23 17:35:21,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,408 INFO L481 AbstractCegarLoop]: Abstraction has 636 states and 839 transitions. [2020-12-23 17:35:21,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 839 transitions. [2020-12-23 17:35:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 17:35:21,409 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,409 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] [2020-12-23 17:35:21,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 17:35:21,410 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,411 INFO L82 PathProgramCache]: Analyzing trace with hash -191211085, now seen corresponding path program 1 times [2020-12-23 17:35:21,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64374878] [2020-12-23 17:35:21,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:21,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64374878] [2020-12-23 17:35:21,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:21,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090250800] [2020-12-23 17:35:21,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:21,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:21,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:21,465 INFO L87 Difference]: Start difference. First operand 636 states and 839 transitions. Second operand 6 states. [2020-12-23 17:35:21,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,558 INFO L93 Difference]: Finished difference Result 669 states and 872 transitions. [2020-12-23 17:35:21,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:35:21,559 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-12-23 17:35:21,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,563 INFO L225 Difference]: With dead ends: 669 [2020-12-23 17:35:21,563 INFO L226 Difference]: Without dead ends: 644 [2020-12-23 17:35:21,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-23 17:35:21,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-12-23 17:35:21,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 624. [2020-12-23 17:35:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-12-23 17:35:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 821 transitions. [2020-12-23 17:35:21,579 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 821 transitions. Word has length 32 [2020-12-23 17:35:21,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,579 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 821 transitions. [2020-12-23 17:35:21,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 821 transitions. [2020-12-23 17:35:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 17:35:21,580 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,580 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] [2020-12-23 17:35:21,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 17:35:21,581 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,582 INFO L82 PathProgramCache]: Analyzing trace with hash -311870270, now seen corresponding path program 1 times [2020-12-23 17:35:21,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932870994] [2020-12-23 17:35:21,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:21,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932870994] [2020-12-23 17:35:21,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:21,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776579645] [2020-12-23 17:35:21,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:21,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:21,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:21,637 INFO L87 Difference]: Start difference. First operand 624 states and 821 transitions. Second operand 6 states. [2020-12-23 17:35:21,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,715 INFO L93 Difference]: Finished difference Result 634 states and 830 transitions. [2020-12-23 17:35:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:35:21,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-12-23 17:35:21,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,720 INFO L225 Difference]: With dead ends: 634 [2020-12-23 17:35:21,720 INFO L226 Difference]: Without dead ends: 615 [2020-12-23 17:35:21,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 17:35:21,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2020-12-23 17:35:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 615. [2020-12-23 17:35:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-12-23 17:35:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 809 transitions. [2020-12-23 17:35:21,735 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 809 transitions. Word has length 32 [2020-12-23 17:35:21,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,735 INFO L481 AbstractCegarLoop]: Abstraction has 615 states and 809 transitions. [2020-12-23 17:35:21,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 809 transitions. [2020-12-23 17:35:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 17:35:21,737 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,737 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] [2020-12-23 17:35:21,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 17:35:21,738 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,739 INFO L82 PathProgramCache]: Analyzing trace with hash -909472821, now seen corresponding path program 1 times [2020-12-23 17:35:21,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992464648] [2020-12-23 17:35:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:21,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992464648] [2020-12-23 17:35:21,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:21,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135366067] [2020-12-23 17:35:21,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:21,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:21,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:21,775 INFO L87 Difference]: Start difference. First operand 615 states and 809 transitions. Second operand 3 states. [2020-12-23 17:35:21,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,805 INFO L93 Difference]: Finished difference Result 591 states and 767 transitions. [2020-12-23 17:35:21,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:21,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-12-23 17:35:21,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,809 INFO L225 Difference]: With dead ends: 591 [2020-12-23 17:35:21,809 INFO L226 Difference]: Without dead ends: 591 [2020-12-23 17:35:21,809 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 [2020-12-23 17:35:21,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-12-23 17:35:21,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 575. [2020-12-23 17:35:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-12-23 17:35:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 751 transitions. [2020-12-23 17:35:21,823 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 751 transitions. Word has length 32 [2020-12-23 17:35:21,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,823 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 751 transitions. [2020-12-23 17:35:21,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 751 transitions. [2020-12-23 17:35:21,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 17:35:21,825 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,825 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] [2020-12-23 17:35:21,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 17:35:21,826 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,826 INFO L82 PathProgramCache]: Analyzing trace with hash -353842307, now seen corresponding path program 1 times [2020-12-23 17:35:21,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146107621] [2020-12-23 17:35:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:21,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146107621] [2020-12-23 17:35:21,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:21,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842784401] [2020-12-23 17:35:21,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:21,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:21,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:21,872 INFO L87 Difference]: Start difference. First operand 575 states and 751 transitions. Second operand 5 states. [2020-12-23 17:35:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,917 INFO L93 Difference]: Finished difference Result 595 states and 770 transitions. [2020-12-23 17:35:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:21,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-23 17:35:21,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,920 INFO L225 Difference]: With dead ends: 595 [2020-12-23 17:35:21,920 INFO L226 Difference]: Without dead ends: 592 [2020-12-23 17:35:21,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:21,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-12-23 17:35:21,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 575. [2020-12-23 17:35:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-12-23 17:35:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 750 transitions. [2020-12-23 17:35:21,933 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 750 transitions. Word has length 33 [2020-12-23 17:35:21,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,933 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 750 transitions. [2020-12-23 17:35:21,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 750 transitions. [2020-12-23 17:35:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 17:35:21,934 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,934 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] [2020-12-23 17:35:21,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 17:35:21,935 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,936 INFO L82 PathProgramCache]: Analyzing trace with hash -56726392, now seen corresponding path program 1 times [2020-12-23 17:35:21,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712030959] [2020-12-23 17:35:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:21,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712030959] [2020-12-23 17:35:21,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:21,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562434149] [2020-12-23 17:35:21,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:21,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:21,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:21,971 INFO L87 Difference]: Start difference. First operand 575 states and 750 transitions. Second operand 3 states. [2020-12-23 17:35:22,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,105 INFO L93 Difference]: Finished difference Result 682 states and 880 transitions. [2020-12-23 17:35:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:22,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-23 17:35:22,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,109 INFO L225 Difference]: With dead ends: 682 [2020-12-23 17:35:22,109 INFO L226 Difference]: Without dead ends: 668 [2020-12-23 17:35:22,110 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 [2020-12-23 17:35:22,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2020-12-23 17:35:22,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 611. [2020-12-23 17:35:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-12-23 17:35:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 790 transitions. [2020-12-23 17:35:22,124 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 790 transitions. Word has length 33 [2020-12-23 17:35:22,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,124 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 790 transitions. [2020-12-23 17:35:22,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:22,124 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 790 transitions. [2020-12-23 17:35:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 17:35:22,125 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,125 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] [2020-12-23 17:35:22,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 17:35:22,126 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1257835912, now seen corresponding path program 1 times [2020-12-23 17:35:22,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81739541] [2020-12-23 17:35:22,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:22,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81739541] [2020-12-23 17:35:22,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:22,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295950913] [2020-12-23 17:35:22,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:22,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:22,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:22,163 INFO L87 Difference]: Start difference. First operand 611 states and 790 transitions. Second operand 3 states. [2020-12-23 17:35:22,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,307 INFO L93 Difference]: Finished difference Result 927 states and 1187 transitions. [2020-12-23 17:35:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:22,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-23 17:35:22,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,312 INFO L225 Difference]: With dead ends: 927 [2020-12-23 17:35:22,312 INFO L226 Difference]: Without dead ends: 923 [2020-12-23 17:35:22,313 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 [2020-12-23 17:35:22,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-12-23 17:35:22,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 645. [2020-12-23 17:35:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-12-23 17:35:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 836 transitions. [2020-12-23 17:35:22,329 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 836 transitions. Word has length 33 [2020-12-23 17:35:22,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,330 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 836 transitions. [2020-12-23 17:35:22,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 836 transitions. [2020-12-23 17:35:22,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 17:35:22,331 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,332 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] [2020-12-23 17:35:22,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 17:35:22,332 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1516001350, now seen corresponding path program 1 times [2020-12-23 17:35:22,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82792614] [2020-12-23 17:35:22,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:22,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82792614] [2020-12-23 17:35:22,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:22,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406617997] [2020-12-23 17:35:22,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:22,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:22,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:22,398 INFO L87 Difference]: Start difference. First operand 645 states and 836 transitions. Second operand 4 states. [2020-12-23 17:35:22,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,560 INFO L93 Difference]: Finished difference Result 582 states and 742 transitions. [2020-12-23 17:35:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:22,561 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-23 17:35:22,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,564 INFO L225 Difference]: With dead ends: 582 [2020-12-23 17:35:22,564 INFO L226 Difference]: Without dead ends: 558 [2020-12-23 17:35:22,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:22,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-12-23 17:35:22,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 542. [2020-12-23 17:35:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-12-23 17:35:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 697 transitions. [2020-12-23 17:35:22,579 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 697 transitions. Word has length 33 [2020-12-23 17:35:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,580 INFO L481 AbstractCegarLoop]: Abstraction has 542 states and 697 transitions. [2020-12-23 17:35:22,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 697 transitions. [2020-12-23 17:35:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:35:22,581 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:22,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 17:35:22,582 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1741061514, now seen corresponding path program 1 times [2020-12-23 17:35:22,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530420030] [2020-12-23 17:35:22,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:22,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530420030] [2020-12-23 17:35:22,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:22,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447058898] [2020-12-23 17:35:22,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:22,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:22,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:22,639 INFO L87 Difference]: Start difference. First operand 542 states and 697 transitions. Second operand 6 states. [2020-12-23 17:35:22,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,882 INFO L93 Difference]: Finished difference Result 806 states and 1022 transitions. [2020-12-23 17:35:22,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 17:35:22,883 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-23 17:35:22,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,887 INFO L225 Difference]: With dead ends: 806 [2020-12-23 17:35:22,887 INFO L226 Difference]: Without dead ends: 805 [2020-12-23 17:35:22,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-23 17:35:22,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-12-23 17:35:22,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 560. [2020-12-23 17:35:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-23 17:35:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 715 transitions. [2020-12-23 17:35:22,908 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 715 transitions. Word has length 34 [2020-12-23 17:35:22,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,908 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 715 transitions. [2020-12-23 17:35:22,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:22,909 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 715 transitions. [2020-12-23 17:35:22,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:35:22,910 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:22,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 17:35:22,910 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1741049598, now seen corresponding path program 1 times [2020-12-23 17:35:22,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075617238] [2020-12-23 17:35:22,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:22,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075617238] [2020-12-23 17:35:22,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:22,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942102555] [2020-12-23 17:35:22,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:22,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:22,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:22,994 INFO L87 Difference]: Start difference. First operand 560 states and 715 transitions. Second operand 6 states. [2020-12-23 17:35:23,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:23,190 INFO L93 Difference]: Finished difference Result 592 states and 746 transitions. [2020-12-23 17:35:23,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 17:35:23,190 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-23 17:35:23,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:23,193 INFO L225 Difference]: With dead ends: 592 [2020-12-23 17:35:23,194 INFO L226 Difference]: Without dead ends: 571 [2020-12-23 17:35:23,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 17:35:23,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-12-23 17:35:23,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 545. [2020-12-23 17:35:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-12-23 17:35:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 698 transitions. [2020-12-23 17:35:23,210 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 698 transitions. Word has length 34 [2020-12-23 17:35:23,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:23,211 INFO L481 AbstractCegarLoop]: Abstraction has 545 states and 698 transitions. [2020-12-23 17:35:23,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 698 transitions. [2020-12-23 17:35:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 17:35:23,212 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:23,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:23,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 17:35:23,213 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:23,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:23,214 INFO L82 PathProgramCache]: Analyzing trace with hash -935653763, now seen corresponding path program 1 times [2020-12-23 17:35:23,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:23,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470549252] [2020-12-23 17:35:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:23,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470549252] [2020-12-23 17:35:23,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:23,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:23,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99528649] [2020-12-23 17:35:23,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:23,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:23,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:23,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:23,288 INFO L87 Difference]: Start difference. First operand 545 states and 698 transitions. Second operand 4 states. [2020-12-23 17:35:23,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:23,455 INFO L93 Difference]: Finished difference Result 598 states and 769 transitions. [2020-12-23 17:35:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:23,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-12-23 17:35:23,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:23,458 INFO L225 Difference]: With dead ends: 598 [2020-12-23 17:35:23,459 INFO L226 Difference]: Without dead ends: 560 [2020-12-23 17:35:23,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-23 17:35:23,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 511. [2020-12-23 17:35:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-12-23 17:35:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 658 transitions. [2020-12-23 17:35:23,472 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 658 transitions. Word has length 35 [2020-12-23 17:35:23,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:23,472 INFO L481 AbstractCegarLoop]: Abstraction has 511 states and 658 transitions. [2020-12-23 17:35:23,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 658 transitions. [2020-12-23 17:35:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 17:35:23,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:23,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:23,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 17:35:23,474 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:23,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:23,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1333490113, now seen corresponding path program 1 times [2020-12-23 17:35:23,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:23,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001520142] [2020-12-23 17:35:23,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:23,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001520142] [2020-12-23 17:35:23,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:23,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:23,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440568486] [2020-12-23 17:35:23,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:23,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:23,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:23,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:23,548 INFO L87 Difference]: Start difference. First operand 511 states and 658 transitions. Second operand 5 states. [2020-12-23 17:35:23,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:23,727 INFO L93 Difference]: Finished difference Result 998 states and 1282 transitions. [2020-12-23 17:35:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 17:35:23,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-12-23 17:35:23,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:23,732 INFO L225 Difference]: With dead ends: 998 [2020-12-23 17:35:23,732 INFO L226 Difference]: Without dead ends: 998 [2020-12-23 17:35:23,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 17:35:23,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2020-12-23 17:35:23,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 518. [2020-12-23 17:35:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-12-23 17:35:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 665 transitions. [2020-12-23 17:35:23,752 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 665 transitions. Word has length 35 [2020-12-23 17:35:23,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:23,752 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 665 transitions. [2020-12-23 17:35:23,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 665 transitions. [2020-12-23 17:35:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-23 17:35:23,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:23,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:23,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 17:35:23,754 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:23,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:23,755 INFO L82 PathProgramCache]: Analyzing trace with hash -901089383, now seen corresponding path program 1 times [2020-12-23 17:35:23,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:23,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179952264] [2020-12-23 17:35:23,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:23,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179952264] [2020-12-23 17:35:23,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:23,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:23,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866743832] [2020-12-23 17:35:23,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:23,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:23,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:23,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:23,796 INFO L87 Difference]: Start difference. First operand 518 states and 665 transitions. Second operand 3 states. [2020-12-23 17:35:23,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:23,820 INFO L93 Difference]: Finished difference Result 579 states and 738 transitions. [2020-12-23 17:35:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:23,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-23 17:35:23,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:23,824 INFO L225 Difference]: With dead ends: 579 [2020-12-23 17:35:23,824 INFO L226 Difference]: Without dead ends: 579 [2020-12-23 17:35:23,824 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 [2020-12-23 17:35:23,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2020-12-23 17:35:23,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 506. [2020-12-23 17:35:23,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-12-23 17:35:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 647 transitions. [2020-12-23 17:35:23,836 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 647 transitions. Word has length 36 [2020-12-23 17:35:23,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:23,837 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 647 transitions. [2020-12-23 17:35:23,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 647 transitions. [2020-12-23 17:35:23,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 17:35:23,838 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:23,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:23,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-23 17:35:23,839 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:23,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:23,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1515814519, now seen corresponding path program 1 times [2020-12-23 17:35:23,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:23,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743046390] [2020-12-23 17:35:23,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:23,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743046390] [2020-12-23 17:35:23,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:23,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:23,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093555082] [2020-12-23 17:35:23,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:23,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:23,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:23,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:23,883 INFO L87 Difference]: Start difference. First operand 506 states and 647 transitions. Second operand 5 states. [2020-12-23 17:35:23,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:23,929 INFO L93 Difference]: Finished difference Result 520 states and 661 transitions. [2020-12-23 17:35:23,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:23,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-12-23 17:35:23,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:23,931 INFO L225 Difference]: With dead ends: 520 [2020-12-23 17:35:23,932 INFO L226 Difference]: Without dead ends: 503 [2020-12-23 17:35:23,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:23,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-12-23 17:35:23,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2020-12-23 17:35:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-12-23 17:35:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 642 transitions. [2020-12-23 17:35:23,942 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 642 transitions. Word has length 37 [2020-12-23 17:35:23,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:23,942 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 642 transitions. [2020-12-23 17:35:23,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 642 transitions. [2020-12-23 17:35:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 17:35:23,944 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:23,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:23,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-23 17:35:23,944 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:23,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:23,945 INFO L82 PathProgramCache]: Analyzing trace with hash 48742328, now seen corresponding path program 1 times [2020-12-23 17:35:23,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:23,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144480222] [2020-12-23 17:35:23,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:24,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144480222] [2020-12-23 17:35:24,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:24,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:24,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119437527] [2020-12-23 17:35:24,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:24,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:24,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:24,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:24,043 INFO L87 Difference]: Start difference. First operand 503 states and 642 transitions. Second operand 4 states. [2020-12-23 17:35:24,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:24,096 INFO L93 Difference]: Finished difference Result 473 states and 595 transitions. [2020-12-23 17:35:24,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:24,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-23 17:35:24,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:24,100 INFO L225 Difference]: With dead ends: 473 [2020-12-23 17:35:24,100 INFO L226 Difference]: Without dead ends: 473 [2020-12-23 17:35:24,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-12-23 17:35:24,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 468. [2020-12-23 17:35:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-23 17:35:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 591 transitions. [2020-12-23 17:35:24,111 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 591 transitions. Word has length 37 [2020-12-23 17:35:24,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:24,112 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 591 transitions. [2020-12-23 17:35:24,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:24,112 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 591 transitions. [2020-12-23 17:35:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-23 17:35:24,113 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:24,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:24,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-23 17:35:24,114 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:24,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:24,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1967560492, now seen corresponding path program 1 times [2020-12-23 17:35:24,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:24,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499711628] [2020-12-23 17:35:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:24,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499711628] [2020-12-23 17:35:24,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:24,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:24,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497929831] [2020-12-23 17:35:24,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:24,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:24,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:24,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:24,168 INFO L87 Difference]: Start difference. First operand 468 states and 591 transitions. Second operand 4 states. [2020-12-23 17:35:24,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:24,305 INFO L93 Difference]: Finished difference Result 465 states and 582 transitions. [2020-12-23 17:35:24,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:24,305 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-12-23 17:35:24,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:24,308 INFO L225 Difference]: With dead ends: 465 [2020-12-23 17:35:24,308 INFO L226 Difference]: Without dead ends: 465 [2020-12-23 17:35:24,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:24,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-12-23 17:35:24,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2020-12-23 17:35:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-12-23 17:35:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 582 transitions. [2020-12-23 17:35:24,319 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 582 transitions. Word has length 38 [2020-12-23 17:35:24,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:24,320 INFO L481 AbstractCegarLoop]: Abstraction has 465 states and 582 transitions. [2020-12-23 17:35:24,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 582 transitions. [2020-12-23 17:35:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-23 17:35:24,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:24,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:24,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-23 17:35:24,322 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:24,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:24,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2061498781, now seen corresponding path program 1 times [2020-12-23 17:35:24,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:24,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174671923] [2020-12-23 17:35:24,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:24,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174671923] [2020-12-23 17:35:24,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:24,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 17:35:24,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002713631] [2020-12-23 17:35:24,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 17:35:24,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:24,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 17:35:24,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:24,425 INFO L87 Difference]: Start difference. First operand 465 states and 582 transitions. Second operand 7 states. [2020-12-23 17:35:24,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:24,718 INFO L93 Difference]: Finished difference Result 673 states and 834 transitions. [2020-12-23 17:35:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 17:35:24,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-12-23 17:35:24,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:24,723 INFO L225 Difference]: With dead ends: 673 [2020-12-23 17:35:24,723 INFO L226 Difference]: Without dead ends: 658 [2020-12-23 17:35:24,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:35:24,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-12-23 17:35:24,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 464. [2020-12-23 17:35:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-12-23 17:35:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 580 transitions. [2020-12-23 17:35:24,736 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 580 transitions. Word has length 39 [2020-12-23 17:35:24,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:24,736 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 580 transitions. [2020-12-23 17:35:24,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 17:35:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 580 transitions. [2020-12-23 17:35:24,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-23 17:35:24,737 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:24,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:24,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-23 17:35:24,738 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:24,739 INFO L82 PathProgramCache]: Analyzing trace with hash -917834486, now seen corresponding path program 1 times [2020-12-23 17:35:24,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:24,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321011055] [2020-12-23 17:35:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:24,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:24,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321011055] [2020-12-23 17:35:24,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:24,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:24,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186216798] [2020-12-23 17:35:24,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:24,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:24,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:24,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:24,814 INFO L87 Difference]: Start difference. First operand 464 states and 580 transitions. Second operand 6 states. [2020-12-23 17:35:25,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:25,021 INFO L93 Difference]: Finished difference Result 483 states and 596 transitions. [2020-12-23 17:35:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 17:35:25,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-12-23 17:35:25,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:25,024 INFO L225 Difference]: With dead ends: 483 [2020-12-23 17:35:25,024 INFO L226 Difference]: Without dead ends: 461 [2020-12-23 17:35:25,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 17:35:25,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-12-23 17:35:25,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 451. [2020-12-23 17:35:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-12-23 17:35:25,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 565 transitions. [2020-12-23 17:35:25,034 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 565 transitions. Word has length 40 [2020-12-23 17:35:25,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:25,035 INFO L481 AbstractCegarLoop]: Abstraction has 451 states and 565 transitions. [2020-12-23 17:35:25,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 565 transitions. [2020-12-23 17:35:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 17:35:25,036 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:25,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:25,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-12-23 17:35:25,037 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:25,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:25,038 INFO L82 PathProgramCache]: Analyzing trace with hash -147578755, now seen corresponding path program 1 times [2020-12-23 17:35:25,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:25,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892869461] [2020-12-23 17:35:25,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:25,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892869461] [2020-12-23 17:35:25,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:25,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:25,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541174692] [2020-12-23 17:35:25,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:25,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:25,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:25,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:25,077 INFO L87 Difference]: Start difference. First operand 451 states and 565 transitions. Second operand 3 states. [2020-12-23 17:35:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:25,154 INFO L93 Difference]: Finished difference Result 600 states and 742 transitions. [2020-12-23 17:35:25,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:25,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-23 17:35:25,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:25,158 INFO L225 Difference]: With dead ends: 600 [2020-12-23 17:35:25,158 INFO L226 Difference]: Without dead ends: 600 [2020-12-23 17:35:25,159 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 [2020-12-23 17:35:25,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-12-23 17:35:25,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 454. [2020-12-23 17:35:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-12-23 17:35:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 568 transitions. [2020-12-23 17:35:25,170 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 568 transitions. Word has length 41 [2020-12-23 17:35:25,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:25,171 INFO L481 AbstractCegarLoop]: Abstraction has 454 states and 568 transitions. [2020-12-23 17:35:25,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 568 transitions. [2020-12-23 17:35:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 17:35:25,172 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:25,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:25,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-12-23 17:35:25,173 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:25,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:25,173 INFO L82 PathProgramCache]: Analyzing trace with hash 160458813, now seen corresponding path program 1 times [2020-12-23 17:35:25,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:25,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270740629] [2020-12-23 17:35:25,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:25,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270740629] [2020-12-23 17:35:25,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:25,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:25,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565979591] [2020-12-23 17:35:25,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:25,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:25,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:25,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:25,234 INFO L87 Difference]: Start difference. First operand 454 states and 568 transitions. Second operand 5 states. [2020-12-23 17:35:25,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:25,426 INFO L93 Difference]: Finished difference Result 610 states and 742 transitions. [2020-12-23 17:35:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:35:25,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-12-23 17:35:25,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:25,430 INFO L225 Difference]: With dead ends: 610 [2020-12-23 17:35:25,430 INFO L226 Difference]: Without dead ends: 610 [2020-12-23 17:35:25,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:25,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-12-23 17:35:25,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 454. [2020-12-23 17:35:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-12-23 17:35:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 564 transitions. [2020-12-23 17:35:25,441 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 564 transitions. Word has length 41 [2020-12-23 17:35:25,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:25,442 INFO L481 AbstractCegarLoop]: Abstraction has 454 states and 564 transitions. [2020-12-23 17:35:25,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 564 transitions. [2020-12-23 17:35:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-23 17:35:25,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:25,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:25,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-12-23 17:35:25,445 INFO L429 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:25,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:25,445 INFO L82 PathProgramCache]: Analyzing trace with hash -693628121, now seen corresponding path program 1 times [2020-12-23 17:35:25,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:25,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265396860] [2020-12-23 17:35:25,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:25,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265396860] [2020-12-23 17:35:25,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:25,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:25,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989388236] [2020-12-23 17:35:25,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:25,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:25,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:25,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:25,503 INFO L87 Difference]: Start difference. First operand 454 states and 564 transitions. Second operand 4 states. [2020-12-23 17:35:25,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:25,557 INFO L93 Difference]: Finished difference Result 537 states and 658 transitions. [2020-12-23 17:35:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:25,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-12-23 17:35:25,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:25,561 INFO L225 Difference]: With dead ends: 537 [2020-12-23 17:35:25,561 INFO L226 Difference]: Without dead ends: 537 [2020-12-23 17:35:25,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:25,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-12-23 17:35:25,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 458. [2020-12-23 17:35:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-12-23 17:35:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 568 transitions. [2020-12-23 17:35:25,572 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 568 transitions. Word has length 42 [2020-12-23 17:35:25,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:25,573 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 568 transitions. [2020-12-23 17:35:25,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 568 transitions. [2020-12-23 17:35:25,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-23 17:35:25,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:25,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:25,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-12-23 17:35:25,576 INFO L429 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:25,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:25,577 INFO L82 PathProgramCache]: Analyzing trace with hash -81749273, now seen corresponding path program 1 times [2020-12-23 17:35:25,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:25,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524153921] [2020-12-23 17:35:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:25,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524153921] [2020-12-23 17:35:25,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:25,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:25,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150438808] [2020-12-23 17:35:25,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:25,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:25,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:25,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:25,645 INFO L87 Difference]: Start difference. First operand 458 states and 568 transitions. Second operand 6 states. [2020-12-23 17:35:25,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:25,726 INFO L93 Difference]: Finished difference Result 459 states and 565 transitions. [2020-12-23 17:35:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:35:25,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-12-23 17:35:25,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:25,731 INFO L225 Difference]: With dead ends: 459 [2020-12-23 17:35:25,731 INFO L226 Difference]: Without dead ends: 410 [2020-12-23 17:35:25,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 17:35:25,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-12-23 17:35:25,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 396. [2020-12-23 17:35:25,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-12-23 17:35:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 487 transitions. [2020-12-23 17:35:25,742 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 487 transitions. Word has length 42 [2020-12-23 17:35:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:25,742 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 487 transitions. [2020-12-23 17:35:25,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 487 transitions. [2020-12-23 17:35:25,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 17:35:25,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:25,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:25,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-12-23 17:35:25,745 INFO L429 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:25,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:25,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1579249944, now seen corresponding path program 1 times [2020-12-23 17:35:25,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:25,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071991070] [2020-12-23 17:35:25,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:25,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071991070] [2020-12-23 17:35:25,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:25,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 17:35:25,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142145211] [2020-12-23 17:35:25,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 17:35:25,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:25,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 17:35:25,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:25,810 INFO L87 Difference]: Start difference. First operand 396 states and 487 transitions. Second operand 7 states. [2020-12-23 17:35:26,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:26,043 INFO L93 Difference]: Finished difference Result 412 states and 503 transitions. [2020-12-23 17:35:26,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:35:26,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2020-12-23 17:35:26,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:26,045 INFO L225 Difference]: With dead ends: 412 [2020-12-23 17:35:26,045 INFO L226 Difference]: Without dead ends: 279 [2020-12-23 17:35:26,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:35:26,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-12-23 17:35:26,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 261. [2020-12-23 17:35:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-12-23 17:35:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 322 transitions. [2020-12-23 17:35:26,051 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 322 transitions. Word has length 44 [2020-12-23 17:35:26,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:26,052 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 322 transitions. [2020-12-23 17:35:26,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 17:35:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 322 transitions. [2020-12-23 17:35:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 17:35:26,053 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:26,053 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:26,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-12-23 17:35:26,053 INFO L429 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:26,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:26,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1536215993, now seen corresponding path program 1 times [2020-12-23 17:35:26,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:26,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369995329] [2020-12-23 17:35:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:26,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369995329] [2020-12-23 17:35:26,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:26,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:26,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123149116] [2020-12-23 17:35:26,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:26,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:26,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:26,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:26,116 INFO L87 Difference]: Start difference. First operand 261 states and 322 transitions. Second operand 5 states. [2020-12-23 17:35:26,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:26,218 INFO L93 Difference]: Finished difference Result 515 states and 644 transitions. [2020-12-23 17:35:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 17:35:26,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-12-23 17:35:26,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:26,220 INFO L225 Difference]: With dead ends: 515 [2020-12-23 17:35:26,220 INFO L226 Difference]: Without dead ends: 515 [2020-12-23 17:35:26,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 17:35:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-12-23 17:35:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 261. [2020-12-23 17:35:26,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-12-23 17:35:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 321 transitions. [2020-12-23 17:35:26,227 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 321 transitions. Word has length 44 [2020-12-23 17:35:26,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:26,227 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 321 transitions. [2020-12-23 17:35:26,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 321 transitions. [2020-12-23 17:35:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 17:35:26,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:26,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:26,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-12-23 17:35:26,229 INFO L429 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:26,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:26,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1259536918, now seen corresponding path program 1 times [2020-12-23 17:35:26,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:26,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671933587] [2020-12-23 17:35:26,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:26,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671933587] [2020-12-23 17:35:26,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:26,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:26,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876346150] [2020-12-23 17:35:26,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:26,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:26,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:26,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:26,266 INFO L87 Difference]: Start difference. First operand 261 states and 321 transitions. Second operand 3 states. [2020-12-23 17:35:26,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:26,333 INFO L93 Difference]: Finished difference Result 223 states and 272 transitions. [2020-12-23 17:35:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:26,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 17:35:26,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:26,335 INFO L225 Difference]: With dead ends: 223 [2020-12-23 17:35:26,335 INFO L226 Difference]: Without dead ends: 223 [2020-12-23 17:35:26,335 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 [2020-12-23 17:35:26,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-12-23 17:35:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-12-23 17:35:26,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-23 17:35:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 272 transitions. [2020-12-23 17:35:26,341 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 272 transitions. Word has length 48 [2020-12-23 17:35:26,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:26,341 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 272 transitions. [2020-12-23 17:35:26,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 272 transitions. [2020-12-23 17:35:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 17:35:26,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:26,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:26,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-12-23 17:35:26,343 INFO L429 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:26,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:26,344 INFO L82 PathProgramCache]: Analyzing trace with hash -624507704, now seen corresponding path program 1 times [2020-12-23 17:35:26,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:26,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401888645] [2020-12-23 17:35:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:26,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401888645] [2020-12-23 17:35:26,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:26,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 17:35:26,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018920578] [2020-12-23 17:35:26,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 17:35:26,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:26,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 17:35:26,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:26,412 INFO L87 Difference]: Start difference. First operand 223 states and 272 transitions. Second operand 7 states. [2020-12-23 17:35:26,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:26,557 INFO L93 Difference]: Finished difference Result 324 states and 394 transitions. [2020-12-23 17:35:26,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 17:35:26,557 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-12-23 17:35:26,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:26,558 INFO L225 Difference]: With dead ends: 324 [2020-12-23 17:35:26,559 INFO L226 Difference]: Without dead ends: 308 [2020-12-23 17:35:26,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-23 17:35:26,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-12-23 17:35:26,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 229. [2020-12-23 17:35:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-12-23 17:35:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 278 transitions. [2020-12-23 17:35:26,566 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 278 transitions. Word has length 54 [2020-12-23 17:35:26,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:26,566 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 278 transitions. [2020-12-23 17:35:26,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 17:35:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 278 transitions. [2020-12-23 17:35:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 17:35:26,567 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:26,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:26,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-12-23 17:35:26,568 INFO L429 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:26,569 INFO L82 PathProgramCache]: Analyzing trace with hash -907964244, now seen corresponding path program 1 times [2020-12-23 17:35:26,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:26,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036134251] [2020-12-23 17:35:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:26,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036134251] [2020-12-23 17:35:26,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:26,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 17:35:26,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029673854] [2020-12-23 17:35:26,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 17:35:26,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:26,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 17:35:26,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:26,638 INFO L87 Difference]: Start difference. First operand 229 states and 278 transitions. Second operand 7 states. [2020-12-23 17:35:26,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:26,765 INFO L93 Difference]: Finished difference Result 329 states and 399 transitions. [2020-12-23 17:35:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 17:35:26,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-12-23 17:35:26,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:26,766 INFO L225 Difference]: With dead ends: 329 [2020-12-23 17:35:26,766 INFO L226 Difference]: Without dead ends: 313 [2020-12-23 17:35:26,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:35:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-12-23 17:35:26,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 223. [2020-12-23 17:35:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-23 17:35:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 271 transitions. [2020-12-23 17:35:26,772 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 271 transitions. Word has length 55 [2020-12-23 17:35:26,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:26,773 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 271 transitions. [2020-12-23 17:35:26,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 17:35:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 271 transitions. [2020-12-23 17:35:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 17:35:26,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:26,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:26,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-12-23 17:35:26,774 INFO L429 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:26,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:26,775 INFO L82 PathProgramCache]: Analyzing trace with hash 2071877734, now seen corresponding path program 1 times [2020-12-23 17:35:26,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:26,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971795174] [2020-12-23 17:35:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:26,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971795174] [2020-12-23 17:35:26,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:26,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 17:35:26,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280556272] [2020-12-23 17:35:26,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 17:35:26,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:26,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 17:35:26,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:26,851 INFO L87 Difference]: Start difference. First operand 223 states and 271 transitions. Second operand 7 states. [2020-12-23 17:35:26,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:26,945 INFO L93 Difference]: Finished difference Result 259 states and 311 transitions. [2020-12-23 17:35:26,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 17:35:26,945 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-12-23 17:35:26,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:26,946 INFO L225 Difference]: With dead ends: 259 [2020-12-23 17:35:26,946 INFO L226 Difference]: Without dead ends: 240 [2020-12-23 17:35:26,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:35:26,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-12-23 17:35:26,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 230. [2020-12-23 17:35:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-23 17:35:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 277 transitions. [2020-12-23 17:35:26,953 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 277 transitions. Word has length 59 [2020-12-23 17:35:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:26,953 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 277 transitions. [2020-12-23 17:35:26,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 17:35:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 277 transitions. [2020-12-23 17:35:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 17:35:26,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:26,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:26,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-12-23 17:35:26,955 INFO L429 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:26,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:26,956 INFO L82 PathProgramCache]: Analyzing trace with hash -121361867, now seen corresponding path program 1 times [2020-12-23 17:35:26,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:26,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727077243] [2020-12-23 17:35:26,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:27,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727077243] [2020-12-23 17:35:27,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:27,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:27,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926814981] [2020-12-23 17:35:27,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:27,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:27,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:27,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:27,015 INFO L87 Difference]: Start difference. First operand 230 states and 277 transitions. Second operand 5 states. [2020-12-23 17:35:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:27,086 INFO L93 Difference]: Finished difference Result 367 states and 437 transitions. [2020-12-23 17:35:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:35:27,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-23 17:35:27,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:27,088 INFO L225 Difference]: With dead ends: 367 [2020-12-23 17:35:27,088 INFO L226 Difference]: Without dead ends: 367 [2020-12-23 17:35:27,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-12-23 17:35:27,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 192. [2020-12-23 17:35:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-12-23 17:35:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 224 transitions. [2020-12-23 17:35:27,094 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 224 transitions. Word has length 59 [2020-12-23 17:35:27,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:27,094 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 224 transitions. [2020-12-23 17:35:27,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 224 transitions. [2020-12-23 17:35:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 17:35:27,096 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:27,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:27,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-12-23 17:35:27,096 INFO L429 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:27,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:27,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1291714983, now seen corresponding path program 1 times [2020-12-23 17:35:27,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:27,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586197880] [2020-12-23 17:35:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:27,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586197880] [2020-12-23 17:35:27,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:27,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:27,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312429231] [2020-12-23 17:35:27,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:27,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:27,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:27,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:27,149 INFO L87 Difference]: Start difference. First operand 192 states and 224 transitions. Second operand 5 states. [2020-12-23 17:35:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:27,211 INFO L93 Difference]: Finished difference Result 256 states and 301 transitions. [2020-12-23 17:35:27,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:27,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-12-23 17:35:27,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:27,213 INFO L225 Difference]: With dead ends: 256 [2020-12-23 17:35:27,213 INFO L226 Difference]: Without dead ends: 248 [2020-12-23 17:35:27,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:27,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-12-23 17:35:27,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 181. [2020-12-23 17:35:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-12-23 17:35:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 210 transitions. [2020-12-23 17:35:27,218 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 210 transitions. Word has length 60 [2020-12-23 17:35:27,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:27,219 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 210 transitions. [2020-12-23 17:35:27,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 210 transitions. [2020-12-23 17:35:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 17:35:27,220 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:27,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:27,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-12-23 17:35:27,220 INFO L429 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:27,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:27,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1525268266, now seen corresponding path program 1 times [2020-12-23 17:35:27,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:27,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796259111] [2020-12-23 17:35:27,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:27,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796259111] [2020-12-23 17:35:27,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:27,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:27,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901278986] [2020-12-23 17:35:27,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:27,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:27,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:27,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:27,284 INFO L87 Difference]: Start difference. First operand 181 states and 210 transitions. Second operand 6 states. [2020-12-23 17:35:27,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:27,382 INFO L93 Difference]: Finished difference Result 326 states and 382 transitions. [2020-12-23 17:35:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:35:27,382 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-12-23 17:35:27,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:27,383 INFO L225 Difference]: With dead ends: 326 [2020-12-23 17:35:27,383 INFO L226 Difference]: Without dead ends: 273 [2020-12-23 17:35:27,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-23 17:35:27,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-12-23 17:35:27,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 148. [2020-12-23 17:35:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-23 17:35:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2020-12-23 17:35:27,389 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 61 [2020-12-23 17:35:27,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:27,389 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2020-12-23 17:35:27,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:27,389 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2020-12-23 17:35:27,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 17:35:27,390 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:27,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:27,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-12-23 17:35:27,391 INFO L429 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:27,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:27,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1449994724, now seen corresponding path program 1 times [2020-12-23 17:35:27,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:27,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835845303] [2020-12-23 17:35:27,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:27,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835845303] [2020-12-23 17:35:27,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:27,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:27,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521372457] [2020-12-23 17:35:27,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:27,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:27,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:27,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:27,446 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 4 states. [2020-12-23 17:35:27,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:27,477 INFO L93 Difference]: Finished difference Result 150 states and 174 transitions. [2020-12-23 17:35:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:27,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2020-12-23 17:35:27,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:27,478 INFO L225 Difference]: With dead ends: 150 [2020-12-23 17:35:27,478 INFO L226 Difference]: Without dead ends: 148 [2020-12-23 17:35:27,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:27,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-12-23 17:35:27,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-12-23 17:35:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-23 17:35:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2020-12-23 17:35:27,483 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 71 [2020-12-23 17:35:27,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:27,483 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2020-12-23 17:35:27,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2020-12-23 17:35:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 17:35:27,484 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:27,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:27,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-12-23 17:35:27,485 INFO L429 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:27,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:27,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1873856217, now seen corresponding path program 1 times [2020-12-23 17:35:27,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:27,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701141909] [2020-12-23 17:35:27,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:27,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701141909] [2020-12-23 17:35:27,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:27,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:27,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344223749] [2020-12-23 17:35:27,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:27,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:27,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:27,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:27,548 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 4 states. [2020-12-23 17:35:27,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:27,568 INFO L93 Difference]: Finished difference Result 175 states and 200 transitions. [2020-12-23 17:35:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:27,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2020-12-23 17:35:27,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:27,569 INFO L225 Difference]: With dead ends: 175 [2020-12-23 17:35:27,569 INFO L226 Difference]: Without dead ends: 175 [2020-12-23 17:35:27,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:27,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-12-23 17:35:27,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 150. [2020-12-23 17:35:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-23 17:35:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2020-12-23 17:35:27,573 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 86 [2020-12-23 17:35:27,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:27,574 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2020-12-23 17:35:27,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2020-12-23 17:35:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 17:35:27,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:27,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:27,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-12-23 17:35:27,576 INFO L429 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:27,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:27,576 INFO L82 PathProgramCache]: Analyzing trace with hash 481659239, now seen corresponding path program 1 times [2020-12-23 17:35:27,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:27,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454252996] [2020-12-23 17:35:27,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:27,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454252996] [2020-12-23 17:35:27,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:27,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 17:35:27,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656450927] [2020-12-23 17:35:27,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 17:35:27,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:27,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 17:35:27,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 17:35:27,670 INFO L87 Difference]: Start difference. First operand 150 states and 174 transitions. Second operand 8 states. [2020-12-23 17:35:27,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:27,789 INFO L93 Difference]: Finished difference Result 183 states and 211 transitions. [2020-12-23 17:35:27,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:35:27,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-12-23 17:35:27,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:27,790 INFO L225 Difference]: With dead ends: 183 [2020-12-23 17:35:27,790 INFO L226 Difference]: Without dead ends: 148 [2020-12-23 17:35:27,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-23 17:35:27,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-12-23 17:35:27,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-12-23 17:35:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-23 17:35:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2020-12-23 17:35:27,795 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 86 [2020-12-23 17:35:27,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:27,795 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2020-12-23 17:35:27,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 17:35:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2020-12-23 17:35:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 17:35:27,796 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:27,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:27,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-12-23 17:35:27,797 INFO L429 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:27,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:27,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1016683280, now seen corresponding path program 1 times [2020-12-23 17:35:27,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:27,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670673758] [2020-12-23 17:35:27,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:27,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670673758] [2020-12-23 17:35:27,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:27,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 17:35:27,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136444423] [2020-12-23 17:35:27,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 17:35:27,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:27,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 17:35:27,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:35:27,921 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 11 states. [2020-12-23 17:35:28,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:28,280 INFO L93 Difference]: Finished difference Result 360 states and 417 transitions. [2020-12-23 17:35:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 17:35:28,280 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 87 [2020-12-23 17:35:28,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:28,281 INFO L225 Difference]: With dead ends: 360 [2020-12-23 17:35:28,281 INFO L226 Difference]: Without dead ends: 327 [2020-12-23 17:35:28,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2020-12-23 17:35:28,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-12-23 17:35:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 161. [2020-12-23 17:35:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-12-23 17:35:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 186 transitions. [2020-12-23 17:35:28,288 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 186 transitions. Word has length 87 [2020-12-23 17:35:28,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:28,288 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 186 transitions. [2020-12-23 17:35:28,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 17:35:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 186 transitions. [2020-12-23 17:35:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 17:35:28,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:28,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:28,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-12-23 17:35:28,291 INFO L429 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:28,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:28,291 INFO L82 PathProgramCache]: Analyzing trace with hash 505316351, now seen corresponding path program 1 times [2020-12-23 17:35:28,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:28,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043191668] [2020-12-23 17:35:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:28,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043191668] [2020-12-23 17:35:28,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:28,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 17:35:28,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057443495] [2020-12-23 17:35:28,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 17:35:28,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:28,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 17:35:28,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:35:28,403 INFO L87 Difference]: Start difference. First operand 161 states and 186 transitions. Second operand 7 states. [2020-12-23 17:35:28,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:28,618 INFO L93 Difference]: Finished difference Result 295 states and 341 transitions. [2020-12-23 17:35:28,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 17:35:28,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-12-23 17:35:28,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:28,620 INFO L225 Difference]: With dead ends: 295 [2020-12-23 17:35:28,620 INFO L226 Difference]: Without dead ends: 290 [2020-12-23 17:35:28,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-12-23 17:35:28,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-12-23 17:35:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 161. [2020-12-23 17:35:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-12-23 17:35:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 185 transitions. [2020-12-23 17:35:28,627 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 185 transitions. Word has length 88 [2020-12-23 17:35:28,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:28,627 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 185 transitions. [2020-12-23 17:35:28,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 17:35:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 185 transitions. [2020-12-23 17:35:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 17:35:28,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:28,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:28,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-12-23 17:35:28,631 INFO L429 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:28,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:28,631 INFO L82 PathProgramCache]: Analyzing trace with hash 895193670, now seen corresponding path program 1 times [2020-12-23 17:35:28,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:28,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587430204] [2020-12-23 17:35:28,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:28,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:28,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587430204] [2020-12-23 17:35:28,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:28,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:28,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125530073] [2020-12-23 17:35:28,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:28,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:28,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:28,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:28,729 INFO L87 Difference]: Start difference. First operand 161 states and 185 transitions. Second operand 4 states. [2020-12-23 17:35:28,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:28,743 INFO L93 Difference]: Finished difference Result 156 states and 176 transitions. [2020-12-23 17:35:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:28,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2020-12-23 17:35:28,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:28,745 INFO L225 Difference]: With dead ends: 156 [2020-12-23 17:35:28,745 INFO L226 Difference]: Without dead ends: 147 [2020-12-23 17:35:28,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-12-23 17:35:28,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2020-12-23 17:35:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-12-23 17:35:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 159 transitions. [2020-12-23 17:35:28,750 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 159 transitions. Word has length 91 [2020-12-23 17:35:28,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:28,751 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 159 transitions. [2020-12-23 17:35:28,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 159 transitions. [2020-12-23 17:35:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 17:35:28,753 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:28,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:28,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2020-12-23 17:35:28,753 INFO L429 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:28,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:28,754 INFO L82 PathProgramCache]: Analyzing trace with hash -710012881, now seen corresponding path program 1 times [2020-12-23 17:35:28,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:28,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967693592] [2020-12-23 17:35:28,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:28,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967693592] [2020-12-23 17:35:28,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:28,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:28,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461726666] [2020-12-23 17:35:28,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:28,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:28,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:28,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:28,833 INFO L87 Difference]: Start difference. First operand 141 states and 159 transitions. Second operand 6 states. [2020-12-23 17:35:28,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:28,906 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2020-12-23 17:35:28,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:35:28,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-12-23 17:35:28,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:28,907 INFO L225 Difference]: With dead ends: 161 [2020-12-23 17:35:28,907 INFO L226 Difference]: Without dead ends: 147 [2020-12-23 17:35:28,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-12-23 17:35:28,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-12-23 17:35:28,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 130. [2020-12-23 17:35:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-12-23 17:35:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 145 transitions. [2020-12-23 17:35:28,914 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 145 transitions. Word has length 93 [2020-12-23 17:35:28,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:28,914 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 145 transitions. [2020-12-23 17:35:28,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 145 transitions. [2020-12-23 17:35:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 17:35:28,915 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:28,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:28,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2020-12-23 17:35:28,916 INFO L429 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:28,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:28,917 INFO L82 PathProgramCache]: Analyzing trace with hash 2056800989, now seen corresponding path program 1 times [2020-12-23 17:35:28,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:28,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219447929] [2020-12-23 17:35:28,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:29,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219447929] [2020-12-23 17:35:29,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:29,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:35:29,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368625445] [2020-12-23 17:35:29,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:35:29,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:29,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:35:29,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:35:29,009 INFO L87 Difference]: Start difference. First operand 130 states and 145 transitions. Second operand 6 states. [2020-12-23 17:35:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:29,087 INFO L93 Difference]: Finished difference Result 245 states and 269 transitions. [2020-12-23 17:35:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:35:29,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-12-23 17:35:29,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:29,088 INFO L225 Difference]: With dead ends: 245 [2020-12-23 17:35:29,088 INFO L226 Difference]: Without dead ends: 130 [2020-12-23 17:35:29,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:35:29,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-12-23 17:35:29,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-12-23 17:35:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-12-23 17:35:29,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 144 transitions. [2020-12-23 17:35:29,091 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 144 transitions. Word has length 94 [2020-12-23 17:35:29,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:29,091 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 144 transitions. [2020-12-23 17:35:29,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:35:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2020-12-23 17:35:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 17:35:29,092 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:29,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:29,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2020-12-23 17:35:29,093 INFO L429 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:29,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:29,094 INFO L82 PathProgramCache]: Analyzing trace with hash 116218975, now seen corresponding path program 1 times [2020-12-23 17:35:29,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:29,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952455107] [2020-12-23 17:35:29,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:29,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:35:29,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952455107] [2020-12-23 17:35:29,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:29,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 17:35:29,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665760906] [2020-12-23 17:35:29,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 17:35:29,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:29,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 17:35:29,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 17:35:29,214 INFO L87 Difference]: Start difference. First operand 130 states and 144 transitions. Second operand 10 states. [2020-12-23 17:35:29,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:29,418 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2020-12-23 17:35:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 17:35:29,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-12-23 17:35:29,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:29,419 INFO L225 Difference]: With dead ends: 158 [2020-12-23 17:35:29,419 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 17:35:29,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2020-12-23 17:35:29,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 17:35:29,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 17:35:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 17:35:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 17:35:29,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2020-12-23 17:35:29,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:29,421 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 17:35:29,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 17:35:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 17:35:29,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 17:35:29,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2020-12-23 17:35:29,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 05:35:29 BoogieIcfgContainer [2020-12-23 17:35:29,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 17:35:29,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 17:35:29,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 17:35:29,430 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 17:35:29,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:35:15" (3/4) ... [2020-12-23 17:35:29,435 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 17:35:29,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2020-12-23 17:35:29,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2020-12-23 17:35:29,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-23 17:35:29,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-23 17:35:29,749 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl4.cil-2.c-witness.graphml [2020-12-23 17:35:29,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 17:35:29,752 INFO L168 Benchmark]: Toolchain (without parser) took 17720.66 ms. Allocated memory was 151.0 MB in the beginning and 357.6 MB in the end (delta: 206.6 MB). Free memory was 125.4 MB in the beginning and 255.5 MB in the end (delta: -130.1 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:29,752 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 133.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:35:29,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1065.09 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 98.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:29,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 249.93 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 127.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:29,753 INFO L168 Benchmark]: Boogie Preprocessor took 160.33 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 121.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:29,754 INFO L168 Benchmark]: RCFGBuilder took 2135.03 ms. Allocated memory was 151.0 MB in the beginning and 205.5 MB in the end (delta: 54.5 MB). Free memory was 120.6 MB in the beginning and 99.7 MB in the end (delta: 20.9 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:29,754 INFO L168 Benchmark]: TraceAbstraction took 13775.44 ms. Allocated memory was 205.5 MB in the beginning and 357.6 MB in the end (delta: 152.0 MB). Free memory was 99.2 MB in the beginning and 297.4 MB in the end (delta: -198.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:35:29,755 INFO L168 Benchmark]: Witness Printer took 320.39 ms. Allocated memory is still 357.6 MB. Free memory was 297.4 MB in the beginning and 255.5 MB in the end (delta: 41.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:29,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 133.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1065.09 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 98.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 249.93 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 127.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 160.33 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 121.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2135.03 ms. Allocated memory was 151.0 MB in the beginning and 205.5 MB in the end (delta: 54.5 MB). Free memory was 120.6 MB in the beginning and 99.7 MB in the end (delta: 20.9 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13775.44 ms. Allocated memory was 205.5 MB in the beginning and 357.6 MB in the end (delta: 152.0 MB). Free memory was 99.2 MB in the beginning and 297.4 MB in the end (delta: -198.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 320.39 ms. Allocated memory is still 357.6 MB. Free memory was 297.4 MB in the beginning and 255.5 MB in the end (delta: 41.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 667]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 54 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 571 locations, 54 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 60, TraceHistogramMax: 1, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28322 SDtfs, 20514 SDslu, 47060 SDs, 0 SdLazy, 4770 SolverSat, 715 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=700occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 60 MinimizatonAttempts, 3599 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2513 NumberOfCodeBlocks, 2513 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 2453 ConstructedInterpolants, 0 QuantifiedInterpolants, 274009 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 60 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...