/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/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 17:35:14,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 17:35:14,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 17:35:14,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 17:35:14,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 17:35:14,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 17:35:14,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 17:35:14,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 17:35:14,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 17:35:14,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 17:35:14,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 17:35:14,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 17:35:14,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 17:35:14,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 17:35:14,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 17:35:14,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 17:35:14,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 17:35:14,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 17:35:14,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 17:35:14,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 17:35:14,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 17:35:14,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 17:35:14,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 17:35:14,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 17:35:14,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 17:35:14,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 17:35:14,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 17:35:14,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 17:35:14,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 17:35:14,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 17:35:14,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 17:35:14,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 17:35:14,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 17:35:14,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 17:35:14,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 17:35:14,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 17:35:14,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 17:35:14,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 17:35:14,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 17:35:14,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 17:35:14,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 17:35:14,825 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 17:35:14,852 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 17:35:14,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 17:35:14,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 17:35:14,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 17:35:14,855 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 17:35:14,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 17:35:14,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 17:35:14,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 17:35:14,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 17:35:14,856 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 17:35:14,856 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 17:35:14,857 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 17:35:14,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 17:35:14,857 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 17:35:14,858 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 17:35:14,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 17:35:14,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 17:35:14,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 17:35:14,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:35:14,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 17:35:14,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 17:35:14,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 17:35:14,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 17:35:14,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 17:35:14,860 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 17:35:15,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 17:35:15,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 17:35:15,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 17:35:15,340 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 17:35:15,342 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 17:35:15,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-12-23 17:35:15,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a6787cb27/f7987edd56a94719859542012d02bc71/FLAG827de956f [2020-12-23 17:35:16,169 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 17:35:16,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-12-23 17:35:16,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a6787cb27/f7987edd56a94719859542012d02bc71/FLAG827de956f [2020-12-23 17:35:16,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a6787cb27/f7987edd56a94719859542012d02bc71 [2020-12-23 17:35:16,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 17:35:16,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 17:35:16,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 17:35:16,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 17:35:16,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 17:35:16,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:35:16" (1/1) ... [2020-12-23 17:35:16,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fa3fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:16, skipping insertion in model container [2020-12-23 17:35:16,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:35:16" (1/1) ... [2020-12-23 17:35:16,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 17:35:16,587 INFO L178 MainTranslator]: Built tables and reachable declarations 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[~compFptr~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[~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[~compFptr~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~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt~0,] left hand side expression in assignment: lhs: VariableLHS[~irpStack~0,] left hand side expression in assignment: lhs: VariableLHS[~irpSp~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___0~0,] 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[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__Started~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__Removed~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__SurpriseRemoved~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__SurpriseRemoved~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__Removed~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~KernelMode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Executive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~DevicePowerState~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[~compFptr~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[~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[~tmp_ndt_5~0,] 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[~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[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRetStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] 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[~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_8~0,] left hand side expression in assignment: lhs: VariableLHS[~event~1,] left hand side expression in assignment: lhs: VariableLHS[~status~2,] left hand side expression in assignment: lhs: VariableLHS[~status~2,] 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[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~irpStack~1,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~devExt__DeviceState~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~compRetStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_10~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal~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[~__cil_tmp8~1,] 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[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~1,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~connectData~0,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~hookKeyboard~0,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] 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[~tmp~3,] [2020-12-23 17:35:16,906 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/kbfiltr_simpl2.cil-1.c[29620,29633] [2020-12-23 17:35:16,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:35:16,919 INFO L203 MainTranslator]: Completed pre-run 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[~compFptr~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[~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[~compFptr~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~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt~0,] left hand side expression in assignment: lhs: VariableLHS[~irpStack~0,] left hand side expression in assignment: lhs: VariableLHS[~irpSp~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___0~0,] 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[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__Started~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__Removed~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__SurpriseRemoved~0,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Status~0,] left hand side expression in assignment: lhs: VariableLHS[~myStatus~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__SurpriseRemoved~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~devExt__Removed~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~status~0,] left hand side expression in assignment: lhs: VariableLHS[~KernelMode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Executive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~DevicePowerState~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[~compFptr~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[~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[~tmp_ndt_5~0,] 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[~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[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~compRetStatus~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] 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[~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_8~0,] left hand side expression in assignment: lhs: VariableLHS[~event~1,] left hand side expression in assignment: lhs: VariableLHS[~status~2,] left hand side expression in assignment: lhs: VariableLHS[~status~2,] 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[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~irpStack~1,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~devExt__DeviceState~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~compRetStatus~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_10~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal~0,] left hand side expression in assignment: lhs: VariableLHS[~returnVal~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[~__cil_tmp8~1,] 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[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~Irp__IoStatus__Information~1,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~connectData~0,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] left hand side expression in assignment: lhs: VariableLHS[~hookKeyboard~0,] left hand side expression in assignment: lhs: VariableLHS[~status~3,] 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[~tmp~3,] [2020-12-23 17:35:17,007 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/kbfiltr_simpl2.cil-1.c[29620,29633] [2020-12-23 17:35:17,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:35:17,033 INFO L208 MainTranslator]: Completed translation [2020-12-23 17:35:17,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17 WrapperNode [2020-12-23 17:35:17,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 17:35:17,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 17:35:17,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 17:35:17,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 17:35:17,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 17:35:17,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 17:35:17,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 17:35:17,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 17:35:17,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (1/1) ... [2020-12-23 17:35:17,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 17:35:17,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 17:35:17,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 17:35:17,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 17:35:17,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (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 17:35:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 17:35:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 17:35:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 17:35:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 17:35:17,751 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,760 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,769 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,777 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,781 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,785 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,789 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,793 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,798 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,800 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,803 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:17,811 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 17:35:18,856 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-12-23 17:35:18,856 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-12-23 17:35:18,856 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-12-23 17:35:18,857 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-12-23 17:35:18,857 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-12-23 17:35:18,857 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-12-23 17:35:18,857 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-12-23 17:35:18,858 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-12-23 17:35:18,858 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-12-23 17:35:18,858 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-12-23 17:35:18,858 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-12-23 17:35:18,859 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-12-23 17:35:18,859 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-12-23 17:35:18,859 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-12-23 17:35:18,859 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-12-23 17:35:18,859 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-12-23 17:35:18,860 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-12-23 17:35:18,860 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-12-23 17:35:18,860 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-12-23 17:35:18,860 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-12-23 17:35:18,860 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-12-23 17:35:18,861 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-12-23 17:35:18,861 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-12-23 17:35:18,861 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-12-23 17:35:18,877 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 17:35:18,877 INFO L299 CfgBuilder]: Removed 152 assume(true) statements. [2020-12-23 17:35:18,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:35:18 BoogieIcfgContainer [2020-12-23 17:35:18,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 17:35:18,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 17:35:18,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 17:35:18,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 17:35:18,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:35:16" (1/3) ... [2020-12-23 17:35:18,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddece9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:35:18, skipping insertion in model container [2020-12-23 17:35:18,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:35:17" (2/3) ... [2020-12-23 17:35:18,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddece9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:35:18, skipping insertion in model container [2020-12-23 17:35:18,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:35:18" (3/3) ... [2020-12-23 17:35:18,892 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-12-23 17:35:18,900 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 17:35:18,906 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-12-23 17:35:18,926 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-12-23 17:35:18,963 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 17:35:18,963 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 17:35:18,963 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 17:35:18,964 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 17:35:18,964 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 17:35:18,964 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 17:35:18,964 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 17:35:18,964 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 17:35:19,011 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-12-23 17:35:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 17:35:19,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:19,020 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1805892153, now seen corresponding path program 1 times [2020-12-23 17:35:19,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912324871] [2020-12-23 17:35:19,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,265 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 17:35:19,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912324871] [2020-12-23 17:35:19,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:19,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579475354] [2020-12-23 17:35:19,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:19,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:19,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:19,291 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 3 states. [2020-12-23 17:35:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,371 INFO L93 Difference]: Finished difference Result 333 states and 460 transitions. [2020-12-23 17:35:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:19,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-23 17:35:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,389 INFO L225 Difference]: With dead ends: 333 [2020-12-23 17:35:19,390 INFO L226 Difference]: Without dead ends: 329 [2020-12-23 17:35:19,391 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 17:35:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-12-23 17:35:19,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2020-12-23 17:35:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-12-23 17:35:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 455 transitions. [2020-12-23 17:35:19,457 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 455 transitions. Word has length 7 [2020-12-23 17:35:19,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,458 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 455 transitions. [2020-12-23 17:35:19,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 455 transitions. [2020-12-23 17:35:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 17:35:19,461 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:19,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 17:35:19,462 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,463 INFO L82 PathProgramCache]: Analyzing trace with hash 557701687, now seen corresponding path program 1 times [2020-12-23 17:35:19,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89510252] [2020-12-23 17:35:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,531 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 17:35:19,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89510252] [2020-12-23 17:35:19,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:19,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666210275] [2020-12-23 17:35:19,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:19,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:19,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:19,540 INFO L87 Difference]: Start difference. First operand 327 states and 455 transitions. Second operand 3 states. [2020-12-23 17:35:19,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,812 INFO L93 Difference]: Finished difference Result 374 states and 522 transitions. [2020-12-23 17:35:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:19,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-23 17:35:19,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,816 INFO L225 Difference]: With dead ends: 374 [2020-12-23 17:35:19,816 INFO L226 Difference]: Without dead ends: 374 [2020-12-23 17:35:19,817 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 17:35:19,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-12-23 17:35:19,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 355. [2020-12-23 17:35:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-12-23 17:35:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 494 transitions. [2020-12-23 17:35:19,840 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 494 transitions. Word has length 13 [2020-12-23 17:35:19,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,840 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 494 transitions. [2020-12-23 17:35:19,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 494 transitions. [2020-12-23 17:35:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 17:35:19,842 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:19,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 17:35:19,842 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1801870964, now seen corresponding path program 1 times [2020-12-23 17:35:19,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826894155] [2020-12-23 17:35:19,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:19,902 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 17:35:19,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826894155] [2020-12-23 17:35:19,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:19,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:35:19,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757253190] [2020-12-23 17:35:19,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:19,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:19,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:19,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:19,906 INFO L87 Difference]: Start difference. First operand 355 states and 494 transitions. Second operand 3 states. [2020-12-23 17:35:19,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:19,915 INFO L93 Difference]: Finished difference Result 354 states and 493 transitions. [2020-12-23 17:35:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:19,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-23 17:35:19,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:19,918 INFO L225 Difference]: With dead ends: 354 [2020-12-23 17:35:19,918 INFO L226 Difference]: Without dead ends: 347 [2020-12-23 17:35:19,919 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 17:35:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-12-23 17:35:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2020-12-23 17:35:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-12-23 17:35:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 475 transitions. [2020-12-23 17:35:19,932 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 475 transitions. Word has length 13 [2020-12-23 17:35:19,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:19,932 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 475 transitions. [2020-12-23 17:35:19,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 475 transitions. [2020-12-23 17:35:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 17:35:19,933 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:19,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:35:19,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 17:35:19,934 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:19,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:19,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1900748477, now seen corresponding path program 1 times [2020-12-23 17:35:19,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:19,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646797738] [2020-12-23 17:35:19,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,003 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 17:35:20,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646797738] [2020-12-23 17:35:20,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:20,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148762469] [2020-12-23 17:35:20,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:20,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:20,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:20,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:20,010 INFO L87 Difference]: Start difference. First operand 347 states and 475 transitions. Second operand 3 states. [2020-12-23 17:35:20,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,048 INFO L93 Difference]: Finished difference Result 354 states and 483 transitions. [2020-12-23 17:35:20,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:20,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-12-23 17:35:20,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,053 INFO L225 Difference]: With dead ends: 354 [2020-12-23 17:35:20,054 INFO L226 Difference]: Without dead ends: 354 [2020-12-23 17:35:20,054 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 17:35:20,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-12-23 17:35:20,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 303. [2020-12-23 17:35:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-12-23 17:35:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 417 transitions. [2020-12-23 17:35:20,092 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 417 transitions. Word has length 15 [2020-12-23 17:35:20,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,093 INFO L481 AbstractCegarLoop]: Abstraction has 303 states and 417 transitions. [2020-12-23 17:35:20,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 417 transitions. [2020-12-23 17:35:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 17:35:20,099 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,099 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 17:35:20,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 17:35:20,100 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,103 INFO L82 PathProgramCache]: Analyzing trace with hash 306593718, now seen corresponding path program 1 times [2020-12-23 17:35:20,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303141904] [2020-12-23 17:35:20,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,218 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 17:35:20,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303141904] [2020-12-23 17:35:20,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:20,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414491237] [2020-12-23 17:35:20,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:20,220 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 3 interpolants. [2020-12-23 17:35:20,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:20,224 INFO L87 Difference]: Start difference. First operand 303 states and 417 transitions. Second operand 3 states. [2020-12-23 17:35:20,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,366 INFO L93 Difference]: Finished difference Result 289 states and 403 transitions. [2020-12-23 17:35:20,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:20,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-12-23 17:35:20,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,369 INFO L225 Difference]: With dead ends: 289 [2020-12-23 17:35:20,369 INFO L226 Difference]: Without dead ends: 289 [2020-12-23 17:35:20,369 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 17:35:20,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-12-23 17:35:20,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2020-12-23 17:35:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-12-23 17:35:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 403 transitions. [2020-12-23 17:35:20,376 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 403 transitions. Word has length 21 [2020-12-23 17:35:20,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,377 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 403 transitions. [2020-12-23 17:35:20,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 403 transitions. [2020-12-23 17:35:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 17:35:20,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,378 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 17:35:20,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 17:35:20,379 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,380 INFO L82 PathProgramCache]: Analyzing trace with hash 847063989, now seen corresponding path program 1 times [2020-12-23 17:35:20,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662796374] [2020-12-23 17:35:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,479 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 17:35:20,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662796374] [2020-12-23 17:35:20,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:20,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801710746] [2020-12-23 17:35:20,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:20,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:20,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:20,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:20,482 INFO L87 Difference]: Start difference. First operand 289 states and 403 transitions. Second operand 4 states. [2020-12-23 17:35:20,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,651 INFO L93 Difference]: Finished difference Result 305 states and 421 transitions. [2020-12-23 17:35:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:20,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-12-23 17:35:20,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,657 INFO L225 Difference]: With dead ends: 305 [2020-12-23 17:35:20,657 INFO L226 Difference]: Without dead ends: 305 [2020-12-23 17:35:20,657 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 17:35:20,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-12-23 17:35:20,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2020-12-23 17:35:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-12-23 17:35:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 415 transitions. [2020-12-23 17:35:20,667 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 415 transitions. Word has length 26 [2020-12-23 17:35:20,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,667 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 415 transitions. [2020-12-23 17:35:20,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 415 transitions. [2020-12-23 17:35:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 17:35:20,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,669 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 17:35:20,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 17:35:20,670 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1660315800, now seen corresponding path program 1 times [2020-12-23 17:35:20,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181371310] [2020-12-23 17:35:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,769 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 17:35:20,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181371310] [2020-12-23 17:35:20,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:20,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206459293] [2020-12-23 17:35:20,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:20,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:20,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:20,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:20,773 INFO L87 Difference]: Start difference. First operand 299 states and 415 transitions. Second operand 3 states. [2020-12-23 17:35:20,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,878 INFO L93 Difference]: Finished difference Result 296 states and 411 transitions. [2020-12-23 17:35:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:20,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-23 17:35:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,880 INFO L225 Difference]: With dead ends: 296 [2020-12-23 17:35:20,881 INFO L226 Difference]: Without dead ends: 296 [2020-12-23 17:35:20,881 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 17:35:20,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-12-23 17:35:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-12-23 17:35:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-12-23 17:35:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 411 transitions. [2020-12-23 17:35:20,888 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 411 transitions. Word has length 27 [2020-12-23 17:35:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,889 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 411 transitions. [2020-12-23 17:35:20,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 411 transitions. [2020-12-23 17:35:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 17:35:20,890 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,890 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 17:35:20,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 17:35:20,891 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,891 INFO L82 PathProgramCache]: Analyzing trace with hash -23036524, now seen corresponding path program 1 times [2020-12-23 17:35:20,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413566453] [2020-12-23 17:35:20,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:20,925 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 17:35:20,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413566453] [2020-12-23 17:35:20,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:20,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:20,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554739615] [2020-12-23 17:35:20,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:20,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:20,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:20,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:20,927 INFO L87 Difference]: Start difference. First operand 296 states and 411 transitions. Second operand 3 states. [2020-12-23 17:35:20,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:20,948 INFO L93 Difference]: Finished difference Result 309 states and 425 transitions. [2020-12-23 17:35:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:20,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-23 17:35:20,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:20,950 INFO L225 Difference]: With dead ends: 309 [2020-12-23 17:35:20,951 INFO L226 Difference]: Without dead ends: 309 [2020-12-23 17:35:20,951 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 17:35:20,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-12-23 17:35:20,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 296. [2020-12-23 17:35:20,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-12-23 17:35:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 410 transitions. [2020-12-23 17:35:20,958 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 410 transitions. Word has length 27 [2020-12-23 17:35:20,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:20,958 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 410 transitions. [2020-12-23 17:35:20,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 410 transitions. [2020-12-23 17:35:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 17:35:20,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:20,960 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 17:35:20,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 17:35:20,961 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:20,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:20,961 INFO L82 PathProgramCache]: Analyzing trace with hash 476963846, now seen corresponding path program 1 times [2020-12-23 17:35:20,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:20,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092568189] [2020-12-23 17:35:20,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,070 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 17:35:21,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092568189] [2020-12-23 17:35:21,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:21,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31756671] [2020-12-23 17:35:21,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:21,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:21,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:21,074 INFO L87 Difference]: Start difference. First operand 296 states and 410 transitions. Second operand 4 states. [2020-12-23 17:35:21,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,224 INFO L93 Difference]: Finished difference Result 302 states and 415 transitions. [2020-12-23 17:35:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:21,225 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-12-23 17:35:21,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,227 INFO L225 Difference]: With dead ends: 302 [2020-12-23 17:35:21,227 INFO L226 Difference]: Without dead ends: 302 [2020-12-23 17:35:21,228 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 17:35:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-12-23 17:35:21,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2020-12-23 17:35:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-12-23 17:35:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 411 transitions. [2020-12-23 17:35:21,234 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 411 transitions. Word has length 27 [2020-12-23 17:35:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,235 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 411 transitions. [2020-12-23 17:35:21,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 411 transitions. [2020-12-23 17:35:21,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 17:35:21,236 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,236 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 17:35:21,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 17:35:21,237 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1894183263, now seen corresponding path program 1 times [2020-12-23 17:35:21,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568763926] [2020-12-23 17:35:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,272 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 17:35:21,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568763926] [2020-12-23 17:35:21,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:21,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946591135] [2020-12-23 17:35:21,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:21,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:21,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:21,275 INFO L87 Difference]: Start difference. First operand 297 states and 411 transitions. Second operand 3 states. [2020-12-23 17:35:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,298 INFO L93 Difference]: Finished difference Result 290 states and 400 transitions. [2020-12-23 17:35:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:21,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-23 17:35:21,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,299 INFO L225 Difference]: With dead ends: 290 [2020-12-23 17:35:21,299 INFO L226 Difference]: Without dead ends: 63 [2020-12-23 17:35:21,300 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 17:35:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-12-23 17:35:21,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-12-23 17:35:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-23 17:35:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2020-12-23 17:35:21,302 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 28 [2020-12-23 17:35:21,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,302 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2020-12-23 17:35:21,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:21,303 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2020-12-23 17:35:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-23 17:35:21,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,304 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] [2020-12-23 17:35:21,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 17:35:21,305 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,305 INFO L82 PathProgramCache]: Analyzing trace with hash 403678015, now seen corresponding path program 1 times [2020-12-23 17:35:21,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496532707] [2020-12-23 17:35:21,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,395 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 17:35:21,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496532707] [2020-12-23 17:35:21,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:21,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91084749] [2020-12-23 17:35:21,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:21,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:21,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:21,397 INFO L87 Difference]: Start difference. First operand 63 states and 76 transitions. Second operand 5 states. [2020-12-23 17:35:21,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,471 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2020-12-23 17:35:21,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:21,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-12-23 17:35:21,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,473 INFO L225 Difference]: With dead ends: 94 [2020-12-23 17:35:21,473 INFO L226 Difference]: Without dead ends: 94 [2020-12-23 17:35:21,474 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 17:35:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-23 17:35:21,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 80. [2020-12-23 17:35:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-23 17:35:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 98 transitions. [2020-12-23 17:35:21,480 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 98 transitions. Word has length 30 [2020-12-23 17:35:21,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,481 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 98 transitions. [2020-12-23 17:35:21,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 98 transitions. [2020-12-23 17:35:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-23 17:35:21,482 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,482 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] [2020-12-23 17:35:21,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 17:35:21,485 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,485 INFO L82 PathProgramCache]: Analyzing trace with hash 361661719, now seen corresponding path program 1 times [2020-12-23 17:35:21,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034222269] [2020-12-23 17:35:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,542 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 17:35:21,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034222269] [2020-12-23 17:35:21,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:21,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446323947] [2020-12-23 17:35:21,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:21,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:21,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:21,548 INFO L87 Difference]: Start difference. First operand 80 states and 98 transitions. Second operand 5 states. [2020-12-23 17:35:21,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,588 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2020-12-23 17:35:21,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:21,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-12-23 17:35:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,589 INFO L225 Difference]: With dead ends: 79 [2020-12-23 17:35:21,589 INFO L226 Difference]: Without dead ends: 74 [2020-12-23 17:35:21,590 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 17:35:21,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-12-23 17:35:21,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 67. [2020-12-23 17:35:21,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-12-23 17:35:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2020-12-23 17:35:21,592 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 80 transitions. Word has length 30 [2020-12-23 17:35:21,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,592 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 80 transitions. [2020-12-23 17:35:21,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2020-12-23 17:35:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 17:35:21,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,593 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 17:35:21,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 17:35:21,594 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,594 INFO L82 PathProgramCache]: Analyzing trace with hash -378484437, now seen corresponding path program 1 times [2020-12-23 17:35:21,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525916422] [2020-12-23 17:35:21,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,632 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 17:35:21,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525916422] [2020-12-23 17:35:21,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:21,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767017911] [2020-12-23 17:35:21,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:21,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:21,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:21,634 INFO L87 Difference]: Start difference. First operand 67 states and 80 transitions. Second operand 3 states. [2020-12-23 17:35:21,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,647 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2020-12-23 17:35:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:21,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-12-23 17:35:21,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,648 INFO L225 Difference]: With dead ends: 127 [2020-12-23 17:35:21,649 INFO L226 Difference]: Without dead ends: 127 [2020-12-23 17:35:21,649 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 17:35:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-12-23 17:35:21,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2020-12-23 17:35:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-23 17:35:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 142 transitions. [2020-12-23 17:35:21,652 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 142 transitions. Word has length 31 [2020-12-23 17:35:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,653 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 142 transitions. [2020-12-23 17:35:21,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:21,653 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2020-12-23 17:35:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 17:35:21,654 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,654 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 17:35:21,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 17:35:21,654 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,655 INFO L82 PathProgramCache]: Analyzing trace with hash -378424855, now seen corresponding path program 1 times [2020-12-23 17:35:21,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885073568] [2020-12-23 17:35:21,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,706 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 17:35:21,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885073568] [2020-12-23 17:35:21,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:21,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664111591] [2020-12-23 17:35:21,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:21,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:21,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:21,709 INFO L87 Difference]: Start difference. First operand 117 states and 142 transitions. Second operand 4 states. [2020-12-23 17:35:21,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,721 INFO L93 Difference]: Finished difference Result 105 states and 124 transitions. [2020-12-23 17:35:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:21,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-23 17:35:21,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,722 INFO L225 Difference]: With dead ends: 105 [2020-12-23 17:35:21,722 INFO L226 Difference]: Without dead ends: 105 [2020-12-23 17:35:21,723 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 17:35:21,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-12-23 17:35:21,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-12-23 17:35:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-23 17:35:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-12-23 17:35:21,726 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 31 [2020-12-23 17:35:21,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,727 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-12-23 17:35:21,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-12-23 17:35:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 17:35:21,730 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,730 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 17:35:21,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 17:35:21,731 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,731 INFO L82 PathProgramCache]: Analyzing trace with hash -329006014, now seen corresponding path program 1 times [2020-12-23 17:35:21,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345335164] [2020-12-23 17:35:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,838 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 17:35:21,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345335164] [2020-12-23 17:35:21,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:21,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768616225] [2020-12-23 17:35:21,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:21,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:21,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:21,840 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2020-12-23 17:35:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,872 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2020-12-23 17:35:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:21,872 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-23 17:35:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,873 INFO L225 Difference]: With dead ends: 97 [2020-12-23 17:35:21,873 INFO L226 Difference]: Without dead ends: 93 [2020-12-23 17:35:21,874 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 17:35:21,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-12-23 17:35:21,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-12-23 17:35:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-12-23 17:35:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions. [2020-12-23 17:35:21,876 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 108 transitions. Word has length 32 [2020-12-23 17:35:21,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,877 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 108 transitions. [2020-12-23 17:35:21,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2020-12-23 17:35:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:35:21,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,878 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 17:35:21,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 17:35:21,878 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1781478438, now seen corresponding path program 1 times [2020-12-23 17:35:21,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208384387] [2020-12-23 17:35:21,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,925 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 17:35:21,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208384387] [2020-12-23 17:35:21,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:21,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379760282] [2020-12-23 17:35:21,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:21,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:21,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:21,928 INFO L87 Difference]: Start difference. First operand 93 states and 108 transitions. Second operand 3 states. [2020-12-23 17:35:21,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:21,937 INFO L93 Difference]: Finished difference Result 108 states and 123 transitions. [2020-12-23 17:35:21,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:21,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-23 17:35:21,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:21,938 INFO L225 Difference]: With dead ends: 108 [2020-12-23 17:35:21,938 INFO L226 Difference]: Without dead ends: 108 [2020-12-23 17:35:21,939 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 17:35:21,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-23 17:35:21,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 95. [2020-12-23 17:35:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-12-23 17:35:21,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-12-23 17:35:21,942 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 34 [2020-12-23 17:35:21,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:21,942 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-12-23 17:35:21,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-12-23 17:35:21,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:35:21,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:21,943 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 17:35:21,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 17:35:21,943 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:21,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:21,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1662125936, now seen corresponding path program 1 times [2020-12-23 17:35:21,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:21,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158475073] [2020-12-23 17:35:21,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:21,979 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 17:35:21,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158475073] [2020-12-23 17:35:21,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:21,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:21,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633770630] [2020-12-23 17:35:21,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:21,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:21,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:21,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:21,981 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2020-12-23 17:35:22,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,004 INFO L93 Difference]: Finished difference Result 109 states and 125 transitions. [2020-12-23 17:35:22,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:22,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-23 17:35:22,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,005 INFO L225 Difference]: With dead ends: 109 [2020-12-23 17:35:22,005 INFO L226 Difference]: Without dead ends: 107 [2020-12-23 17:35:22,006 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 17:35:22,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-23 17:35:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 99. [2020-12-23 17:35:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-12-23 17:35:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-12-23 17:35:22,008 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 34 [2020-12-23 17:35:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,009 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-12-23 17:35:22,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:22,009 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-12-23 17:35:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:35:22,009 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,010 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 17:35:22,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 17:35:22,010 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,011 INFO L82 PathProgramCache]: Analyzing trace with hash -822248422, now seen corresponding path program 1 times [2020-12-23 17:35:22,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923928339] [2020-12-23 17:35:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,053 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 17:35:22,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923928339] [2020-12-23 17:35:22,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:22,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749409154] [2020-12-23 17:35:22,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:22,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:22,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:22,055 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 5 states. [2020-12-23 17:35:22,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,090 INFO L93 Difference]: Finished difference Result 108 states and 119 transitions. [2020-12-23 17:35:22,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:22,091 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 17:35:22,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,092 INFO L225 Difference]: With dead ends: 108 [2020-12-23 17:35:22,092 INFO L226 Difference]: Without dead ends: 108 [2020-12-23 17:35:22,092 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 17:35:22,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-23 17:35:22,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 99. [2020-12-23 17:35:22,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-12-23 17:35:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2020-12-23 17:35:22,095 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 34 [2020-12-23 17:35:22,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,095 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2020-12-23 17:35:22,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2020-12-23 17:35:22,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 17:35:22,096 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,096 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] [2020-12-23 17:35:22,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 17:35:22,097 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,097 INFO L82 PathProgramCache]: Analyzing trace with hash -21362253, now seen corresponding path program 1 times [2020-12-23 17:35:22,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721684926] [2020-12-23 17:35:22,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,170 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 17:35:22,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721684926] [2020-12-23 17:35:22,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:35:22,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797576396] [2020-12-23 17:35:22,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:35:22,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:35:22,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:35:22,172 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand 4 states. [2020-12-23 17:35:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,204 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2020-12-23 17:35:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:35:22,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-12-23 17:35:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,205 INFO L225 Difference]: With dead ends: 96 [2020-12-23 17:35:22,205 INFO L226 Difference]: Without dead ends: 88 [2020-12-23 17:35:22,206 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 17:35:22,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-12-23 17:35:22,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-12-23 17:35:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-23 17:35:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2020-12-23 17:35:22,208 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 35 [2020-12-23 17:35:22,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,208 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2020-12-23 17:35:22,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:35:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2020-12-23 17:35:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 17:35:22,209 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,209 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 17:35:22,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 17:35:22,210 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,211 INFO L82 PathProgramCache]: Analyzing trace with hash 272561262, now seen corresponding path program 1 times [2020-12-23 17:35:22,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307063677] [2020-12-23 17:35:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,267 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 17:35:22,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307063677] [2020-12-23 17:35:22,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:35:22,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636454909] [2020-12-23 17:35:22,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:35:22,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:35:22,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:35:22,270 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand 5 states. [2020-12-23 17:35:22,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,308 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2020-12-23 17:35:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:35:22,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-12-23 17:35:22,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,309 INFO L225 Difference]: With dead ends: 88 [2020-12-23 17:35:22,309 INFO L226 Difference]: Without dead ends: 88 [2020-12-23 17:35:22,310 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 17:35:22,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-12-23 17:35:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-12-23 17:35:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-23 17:35:22,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2020-12-23 17:35:22,312 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 35 [2020-12-23 17:35:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,313 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2020-12-23 17:35:22,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:35:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2020-12-23 17:35:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 17:35:22,313 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,314 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 17:35:22,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 17:35:22,314 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1030061199, now seen corresponding path program 1 times [2020-12-23 17:35:22,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381465154] [2020-12-23 17:35:22,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,344 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 17:35:22,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381465154] [2020-12-23 17:35:22,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:22,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889200713] [2020-12-23 17:35:22,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:22,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:22,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:22,346 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand 3 states. [2020-12-23 17:35:22,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,355 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2020-12-23 17:35:22,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:22,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-12-23 17:35:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,356 INFO L225 Difference]: With dead ends: 82 [2020-12-23 17:35:22,356 INFO L226 Difference]: Without dead ends: 80 [2020-12-23 17:35:22,357 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 17:35:22,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-12-23 17:35:22,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-12-23 17:35:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-23 17:35:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2020-12-23 17:35:22,359 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 35 [2020-12-23 17:35:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,359 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2020-12-23 17:35:22,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-12-23 17:35:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-23 17:35:22,360 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:35:22,360 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 17:35:22,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 17:35:22,361 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:35:22,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:35:22,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1765065444, now seen corresponding path program 1 times [2020-12-23 17:35:22,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:35:22,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472942208] [2020-12-23 17:35:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:35:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:35:22,391 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 17:35:22,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472942208] [2020-12-23 17:35:22,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:35:22,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:35:22,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10298393] [2020-12-23 17:35:22,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:35:22,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:35:22,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:35:22,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:35:22,394 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 3 states. [2020-12-23 17:35:22,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:35:22,407 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2020-12-23 17:35:22,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:35:22,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-23 17:35:22,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:35:22,408 INFO L225 Difference]: With dead ends: 58 [2020-12-23 17:35:22,408 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 17:35:22,410 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 17:35:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 17:35:22,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 17:35:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 17:35:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 17:35:22,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2020-12-23 17:35:22,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:35:22,411 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 17:35:22,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:35:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 17:35:22,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 17:35:22,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 17:35:22,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 05:35:22 BoogieIcfgContainer [2020-12-23 17:35:22,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 17:35:22,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 17:35:22,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 17:35:22,420 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 17:35:22,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:35:18" (3/4) ... [2020-12-23 17:35:22,425 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 17:35:22,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-12-23 17:35:22,470 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2020-12-23 17:35:22,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-23 17:35:22,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 17:35:22,738 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c-witness.graphml [2020-12-23 17:35:22,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 17:35:22,740 INFO L168 Benchmark]: Toolchain (without parser) took 6219.11 ms. Allocated memory was 163.6 MB in the beginning and 284.2 MB in the end (delta: 120.6 MB). Free memory was 137.7 MB in the beginning and 251.3 MB in the end (delta: -113.6 MB). Peak memory consumption was 118.1 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:22,741 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 163.6 MB. Free memory is still 136.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:35:22,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.54 ms. Allocated memory is still 163.6 MB. Free memory was 137.4 MB in the beginning and 117.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:22,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.27 ms. Allocated memory is still 163.6 MB. Free memory was 117.8 MB in the beginning and 111.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:22,742 INFO L168 Benchmark]: Boogie Preprocessor took 152.15 ms. Allocated memory is still 163.6 MB. Free memory was 111.6 MB in the beginning and 142.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:22,743 INFO L168 Benchmark]: RCFGBuilder took 1581.01 ms. Allocated memory was 163.6 MB in the beginning and 207.6 MB in the end (delta: 44.0 MB). Free memory was 142.1 MB in the beginning and 167.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 94.4 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:22,743 INFO L168 Benchmark]: TraceAbstraction took 3537.27 ms. Allocated memory is still 207.6 MB. Free memory was 166.7 MB in the beginning and 80.9 MB in the end (delta: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:22,744 INFO L168 Benchmark]: Witness Printer took 318.29 ms. Allocated memory was 207.6 MB in the beginning and 284.2 MB in the end (delta: 76.5 MB). Free memory was 80.9 MB in the beginning and 251.3 MB in the end (delta: -170.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-12-23 17:35:22,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 163.6 MB. Free memory is still 136.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 511.54 ms. Allocated memory is still 163.6 MB. Free memory was 137.4 MB in the beginning and 117.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 110.27 ms. Allocated memory is still 163.6 MB. Free memory was 117.8 MB in the beginning and 111.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 152.15 ms. Allocated memory is still 163.6 MB. Free memory was 111.6 MB in the beginning and 142.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1581.01 ms. Allocated memory was 163.6 MB in the beginning and 207.6 MB in the end (delta: 44.0 MB). Free memory was 142.1 MB in the beginning and 167.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 94.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3537.27 ms. Allocated memory is still 207.6 MB. Free memory was 166.7 MB in the beginning and 80.9 MB in the end (delta: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 8.0 GB. * Witness Printer took 318.29 ms. Allocated memory was 207.6 MB in the beginning and 284.2 MB in the end (delta: 76.5 MB). Free memory was 80.9 MB in the beginning and 251.3 MB in the end (delta: -170.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 295]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1013]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 329 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 22, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4325 SDtfs, 3056 SDslu, 2254 SDs, 0 SdLazy, 707 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=355occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 157 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 45279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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...