/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec3_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:56:02,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:56:02,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:56:02,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:56:02,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:56:02,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:56:02,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:56:02,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:56:02,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:56:02,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:56:02,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:56:02,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:56:02,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:56:02,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:56:02,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:56:02,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:56:02,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:56:02,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:56:02,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:56:02,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:56:02,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:56:02,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:56:02,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:56:02,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:56:02,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:56:02,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:56:02,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:56:02,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:56:02,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:56:02,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:56:02,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:56:02,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:56:02,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:56:02,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:56:02,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:56:02,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:56:02,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:56:02,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:56:02,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:56:02,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:56:02,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:56:02,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:56:02,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:56:02,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:56:02,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:56:02,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:56:02,397 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:56:02,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:56:02,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:56:02,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:56:02,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:56:02,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:56:02,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:56:02,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:56:02,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:56:02,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:56:02,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:56:02,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:56:02,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:56:02,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:56:02,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:56:02,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:56:02,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:56:02,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:56:02,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:56:02,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:56:02,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:56:02,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:56:02,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:56:02,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:56:02,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:56:02,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:56:02,901 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:56:02,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product28.cil.c [2020-12-23 08:56:02,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2fa1f83cf/33f2ebe2004a462ca1aab57154c08fe0/FLAG91d3d5ffc [2020-12-23 08:56:03,799 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:56:03,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product28.cil.c [2020-12-23 08:56:03,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2fa1f83cf/33f2ebe2004a462ca1aab57154c08fe0/FLAG91d3d5ffc [2020-12-23 08:56:04,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2fa1f83cf/33f2ebe2004a462ca1aab57154c08fe0 [2020-12-23 08:56:04,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:56:04,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:56:04,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:56:04,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:56:04,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:56:04,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:56:04" (1/1) ... [2020-12-23 08:56:04,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52346d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:04, skipping insertion in model container [2020-12-23 08:56:04,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:56:04" (1/1) ... [2020-12-23 08:56:04,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:56:04,176 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] [2020-12-23 08:56:04,446 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/product-lines/email_spec3_product28.cil.c[6198,6211] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:56:04,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:56:04,991 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] [2020-12-23 08:56:05,017 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product28.cil.c[6198,6211] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:56:05,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:56:05,388 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:56:05,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05 WrapperNode [2020-12-23 08:56:05,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:56:05,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:56:05,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:56:05,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:56:05,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:56:05,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:56:05,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:56:05,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:56:05,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... [2020-12-23 08:56:05,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:56:05,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:56:05,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:56:05,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:56:05,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:56:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:56:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:56:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:56:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:56:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:56:08,712 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:56:08,712 INFO L299 CfgBuilder]: Removed 311 assume(true) statements. [2020-12-23 08:56:08,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:56:08 BoogieIcfgContainer [2020-12-23 08:56:08,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:56:08,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:56:08,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:56:08,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:56:08,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:56:04" (1/3) ... [2020-12-23 08:56:08,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e20701a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:56:08, skipping insertion in model container [2020-12-23 08:56:08,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:56:05" (2/3) ... [2020-12-23 08:56:08,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e20701a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:56:08, skipping insertion in model container [2020-12-23 08:56:08,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:56:08" (3/3) ... [2020-12-23 08:56:08,725 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product28.cil.c [2020-12-23 08:56:08,732 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:56:08,738 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-23 08:56:08,758 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-23 08:56:08,790 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:56:08,790 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:56:08,790 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:56:08,791 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:56:08,791 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:56:08,791 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:56:08,791 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:56:08,791 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:56:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states. [2020-12-23 08:56:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 08:56:08,833 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:08,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:08,834 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:08,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:08,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1851794877, now seen corresponding path program 1 times [2020-12-23 08:56:08,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:08,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726161073] [2020-12-23 08:56:08,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:09,371 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 08:56:09,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726161073] [2020-12-23 08:56:09,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:09,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:09,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648392362] [2020-12-23 08:56:09,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:09,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:09,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:09,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:09,402 INFO L87 Difference]: Start difference. First operand 515 states. Second operand 3 states. [2020-12-23 08:56:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:09,612 INFO L93 Difference]: Finished difference Result 1510 states and 2645 transitions. [2020-12-23 08:56:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:09,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 08:56:09,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:09,669 INFO L225 Difference]: With dead ends: 1510 [2020-12-23 08:56:09,669 INFO L226 Difference]: Without dead ends: 928 [2020-12-23 08:56:09,680 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 08:56:09,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-12-23 08:56:09,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 473. [2020-12-23 08:56:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 08:56:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 821 transitions. [2020-12-23 08:56:09,805 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 821 transitions. Word has length 57 [2020-12-23 08:56:09,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:09,806 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 821 transitions. [2020-12-23 08:56:09,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 821 transitions. [2020-12-23 08:56:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:56:09,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:09,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:09,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:56:09,821 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:09,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:09,821 INFO L82 PathProgramCache]: Analyzing trace with hash -749461877, now seen corresponding path program 1 times [2020-12-23 08:56:09,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:09,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160533713] [2020-12-23 08:56:09,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:10,011 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 08:56:10,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160533713] [2020-12-23 08:56:10,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:10,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:56:10,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973879551] [2020-12-23 08:56:10,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:56:10,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:10,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:56:10,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:56:10,017 INFO L87 Difference]: Start difference. First operand 473 states and 821 transitions. Second operand 5 states. [2020-12-23 08:56:10,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:10,273 INFO L93 Difference]: Finished difference Result 1368 states and 2379 transitions. [2020-12-23 08:56:10,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:56:10,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-23 08:56:10,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:10,280 INFO L225 Difference]: With dead ends: 1368 [2020-12-23 08:56:10,280 INFO L226 Difference]: Without dead ends: 914 [2020-12-23 08:56:10,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:56:10,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-12-23 08:56:10,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 473. [2020-12-23 08:56:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 08:56:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 820 transitions. [2020-12-23 08:56:10,307 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 820 transitions. Word has length 59 [2020-12-23 08:56:10,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:10,308 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 820 transitions. [2020-12-23 08:56:10,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:56:10,308 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 820 transitions. [2020-12-23 08:56:10,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:56:10,310 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:10,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:10,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:56:10,311 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:10,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:10,311 INFO L82 PathProgramCache]: Analyzing trace with hash -811036898, now seen corresponding path program 1 times [2020-12-23 08:56:10,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:10,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259999684] [2020-12-23 08:56:10,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:56:10,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259999684] [2020-12-23 08:56:10,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:10,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:10,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735266840] [2020-12-23 08:56:10,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:10,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:10,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:10,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:10,412 INFO L87 Difference]: Start difference. First operand 473 states and 820 transitions. Second operand 3 states. [2020-12-23 08:56:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:10,476 INFO L93 Difference]: Finished difference Result 928 states and 1614 transitions. [2020-12-23 08:56:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:10,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 08:56:10,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:10,480 INFO L225 Difference]: With dead ends: 928 [2020-12-23 08:56:10,480 INFO L226 Difference]: Without dead ends: 478 [2020-12-23 08:56:10,481 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 08:56:10,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-12-23 08:56:10,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 473. [2020-12-23 08:56:10,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 08:56:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 819 transitions. [2020-12-23 08:56:10,502 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 819 transitions. Word has length 60 [2020-12-23 08:56:10,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:10,502 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 819 transitions. [2020-12-23 08:56:10,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:10,503 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 819 transitions. [2020-12-23 08:56:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:56:10,504 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:10,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:10,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:56:10,505 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:10,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:10,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1694096744, now seen corresponding path program 1 times [2020-12-23 08:56:10,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:10,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016215113] [2020-12-23 08:56:10,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:10,592 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 08:56:10,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016215113] [2020-12-23 08:56:10,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:10,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:10,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431299269] [2020-12-23 08:56:10,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:10,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:10,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:10,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:10,596 INFO L87 Difference]: Start difference. First operand 473 states and 819 transitions. Second operand 3 states. [2020-12-23 08:56:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:10,645 INFO L93 Difference]: Finished difference Result 938 states and 1627 transitions. [2020-12-23 08:56:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:10,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 08:56:10,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:10,649 INFO L225 Difference]: With dead ends: 938 [2020-12-23 08:56:10,649 INFO L226 Difference]: Without dead ends: 473 [2020-12-23 08:56:10,650 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 08:56:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-12-23 08:56:10,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2020-12-23 08:56:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 08:56:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 817 transitions. [2020-12-23 08:56:10,671 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 817 transitions. Word has length 61 [2020-12-23 08:56:10,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:10,672 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 817 transitions. [2020-12-23 08:56:10,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 817 transitions. [2020-12-23 08:56:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:56:10,674 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:10,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:10,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:56:10,674 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:10,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:10,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1082051299, now seen corresponding path program 1 times [2020-12-23 08:56:10,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:10,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395955927] [2020-12-23 08:56:10,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:10,772 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 08:56:10,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395955927] [2020-12-23 08:56:10,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:10,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:56:10,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761091659] [2020-12-23 08:56:10,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:56:10,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:10,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:56:10,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:56:10,777 INFO L87 Difference]: Start difference. First operand 473 states and 817 transitions. Second operand 5 states. [2020-12-23 08:56:10,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:10,973 INFO L93 Difference]: Finished difference Result 1358 states and 2359 transitions. [2020-12-23 08:56:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:56:10,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-12-23 08:56:10,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:10,980 INFO L225 Difference]: With dead ends: 1358 [2020-12-23 08:56:10,980 INFO L226 Difference]: Without dead ends: 912 [2020-12-23 08:56:10,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:56:10,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-12-23 08:56:11,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 473. [2020-12-23 08:56:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 08:56:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 816 transitions. [2020-12-23 08:56:11,011 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 816 transitions. Word has length 62 [2020-12-23 08:56:11,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:11,012 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 816 transitions. [2020-12-23 08:56:11,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:56:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 816 transitions. [2020-12-23 08:56:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 08:56:11,013 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:11,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:11,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:56:11,014 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:11,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:11,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1076504480, now seen corresponding path program 1 times [2020-12-23 08:56:11,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:11,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306845116] [2020-12-23 08:56:11,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:56:11,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306845116] [2020-12-23 08:56:11,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:11,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:56:11,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103164787] [2020-12-23 08:56:11,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:56:11,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:11,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:56:11,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:56:11,171 INFO L87 Difference]: Start difference. First operand 473 states and 816 transitions. Second operand 5 states. [2020-12-23 08:56:11,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:11,409 INFO L93 Difference]: Finished difference Result 1363 states and 2364 transitions. [2020-12-23 08:56:11,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:56:11,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-12-23 08:56:11,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:11,416 INFO L225 Difference]: With dead ends: 1363 [2020-12-23 08:56:11,416 INFO L226 Difference]: Without dead ends: 917 [2020-12-23 08:56:11,418 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 08:56:11,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-12-23 08:56:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 473. [2020-12-23 08:56:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 08:56:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 815 transitions. [2020-12-23 08:56:11,458 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 815 transitions. Word has length 63 [2020-12-23 08:56:11,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:11,459 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 815 transitions. [2020-12-23 08:56:11,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:56:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 815 transitions. [2020-12-23 08:56:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:56:11,461 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:11,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:11,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:56:11,462 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:11,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:11,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1515740088, now seen corresponding path program 1 times [2020-12-23 08:56:11,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:11,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732977630] [2020-12-23 08:56:11,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:11,603 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 08:56:11,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732977630] [2020-12-23 08:56:11,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:11,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:11,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812123162] [2020-12-23 08:56:11,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:11,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:11,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:11,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:11,619 INFO L87 Difference]: Start difference. First operand 473 states and 815 transitions. Second operand 3 states. [2020-12-23 08:56:11,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:11,662 INFO L93 Difference]: Finished difference Result 712 states and 1213 transitions. [2020-12-23 08:56:11,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:11,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 08:56:11,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:11,667 INFO L225 Difference]: With dead ends: 712 [2020-12-23 08:56:11,667 INFO L226 Difference]: Without dead ends: 476 [2020-12-23 08:56:11,669 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 08:56:11,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-12-23 08:56:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 475. [2020-12-23 08:56:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-12-23 08:56:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 817 transitions. [2020-12-23 08:56:11,702 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 817 transitions. Word has length 64 [2020-12-23 08:56:11,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:11,705 INFO L481 AbstractCegarLoop]: Abstraction has 475 states and 817 transitions. [2020-12-23 08:56:11,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 817 transitions. [2020-12-23 08:56:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:56:11,707 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:11,707 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:11,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:56:11,707 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:11,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:11,708 INFO L82 PathProgramCache]: Analyzing trace with hash 315731722, now seen corresponding path program 1 times [2020-12-23 08:56:11,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:11,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398578760] [2020-12-23 08:56:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:56:11,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398578760] [2020-12-23 08:56:11,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:11,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:11,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282162560] [2020-12-23 08:56:11,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:11,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:11,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:11,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:11,810 INFO L87 Difference]: Start difference. First operand 475 states and 817 transitions. Second operand 3 states. [2020-12-23 08:56:11,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:11,872 INFO L93 Difference]: Finished difference Result 1311 states and 2275 transitions. [2020-12-23 08:56:11,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:11,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:56:11,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:11,878 INFO L225 Difference]: With dead ends: 1311 [2020-12-23 08:56:11,878 INFO L226 Difference]: Without dead ends: 867 [2020-12-23 08:56:11,880 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 08:56:11,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-12-23 08:56:11,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 631. [2020-12-23 08:56:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2020-12-23 08:56:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 1103 transitions. [2020-12-23 08:56:11,923 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 1103 transitions. Word has length 70 [2020-12-23 08:56:11,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:11,924 INFO L481 AbstractCegarLoop]: Abstraction has 631 states and 1103 transitions. [2020-12-23 08:56:11,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1103 transitions. [2020-12-23 08:56:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:56:11,932 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:11,932 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:11,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:56:11,933 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:11,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:11,933 INFO L82 PathProgramCache]: Analyzing trace with hash 2058308171, now seen corresponding path program 1 times [2020-12-23 08:56:11,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:11,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238071581] [2020-12-23 08:56:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:56:12,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238071581] [2020-12-23 08:56:12,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791271643] [2020-12-23 08:56:12,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:56:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:12,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:56:12,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:56:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:56:12,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:56:12,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:56:12,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184149774] [2020-12-23 08:56:12,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:56:12,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:12,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:56:12,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:56:12,675 INFO L87 Difference]: Start difference. First operand 631 states and 1103 transitions. Second operand 5 states. [2020-12-23 08:56:12,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:12,765 INFO L93 Difference]: Finished difference Result 1315 states and 2278 transitions. [2020-12-23 08:56:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:56:12,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-12-23 08:56:12,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:12,772 INFO L225 Difference]: With dead ends: 1315 [2020-12-23 08:56:12,773 INFO L226 Difference]: Without dead ends: 1079 [2020-12-23 08:56:12,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:56:12,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2020-12-23 08:56:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 841. [2020-12-23 08:56:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-12-23 08:56:12,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1486 transitions. [2020-12-23 08:56:12,835 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1486 transitions. Word has length 71 [2020-12-23 08:56:12,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:12,835 INFO L481 AbstractCegarLoop]: Abstraction has 841 states and 1486 transitions. [2020-12-23 08:56:12,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:56:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1486 transitions. [2020-12-23 08:56:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:56:12,838 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:12,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:13,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:56:13,054 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:13,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:13,055 INFO L82 PathProgramCache]: Analyzing trace with hash 292063864, now seen corresponding path program 1 times [2020-12-23 08:56:13,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:13,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016263318] [2020-12-23 08:56:13,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:13,134 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 08:56:13,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016263318] [2020-12-23 08:56:13,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:13,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:13,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116558796] [2020-12-23 08:56:13,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:13,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:13,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:13,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:13,139 INFO L87 Difference]: Start difference. First operand 841 states and 1486 transitions. Second operand 3 states. [2020-12-23 08:56:13,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:13,259 INFO L93 Difference]: Finished difference Result 2193 states and 3889 transitions. [2020-12-23 08:56:13,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:13,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:56:13,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:13,268 INFO L225 Difference]: With dead ends: 2193 [2020-12-23 08:56:13,269 INFO L226 Difference]: Without dead ends: 1441 [2020-12-23 08:56:13,273 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 08:56:13,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2020-12-23 08:56:13,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1205. [2020-12-23 08:56:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-12-23 08:56:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 2150 transitions. [2020-12-23 08:56:13,348 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 2150 transitions. Word has length 77 [2020-12-23 08:56:13,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:13,349 INFO L481 AbstractCegarLoop]: Abstraction has 1205 states and 2150 transitions. [2020-12-23 08:56:13,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 2150 transitions. [2020-12-23 08:56:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:56:13,352 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:13,353 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:13,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:56:13,353 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:13,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:13,354 INFO L82 PathProgramCache]: Analyzing trace with hash 2055498472, now seen corresponding path program 2 times [2020-12-23 08:56:13,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:13,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286404831] [2020-12-23 08:56:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:56:13,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286404831] [2020-12-23 08:56:13,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:13,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:56:13,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58151615] [2020-12-23 08:56:13,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:56:13,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:13,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:56:13,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:56:13,462 INFO L87 Difference]: Start difference. First operand 1205 states and 2150 transitions. Second operand 5 states. [2020-12-23 08:56:13,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:13,602 INFO L93 Difference]: Finished difference Result 2403 states and 4270 transitions. [2020-12-23 08:56:13,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:56:13,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-12-23 08:56:13,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:13,612 INFO L225 Difference]: With dead ends: 2403 [2020-12-23 08:56:13,612 INFO L226 Difference]: Without dead ends: 1441 [2020-12-23 08:56:13,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 08:56:13,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2020-12-23 08:56:13,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1205. [2020-12-23 08:56:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-12-23 08:56:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 2148 transitions. [2020-12-23 08:56:13,704 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 2148 transitions. Word has length 78 [2020-12-23 08:56:13,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:13,704 INFO L481 AbstractCegarLoop]: Abstraction has 1205 states and 2148 transitions. [2020-12-23 08:56:13,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:56:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 2148 transitions. [2020-12-23 08:56:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:56:13,707 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:13,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:13,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:56:13,708 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:13,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:13,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1459670391, now seen corresponding path program 1 times [2020-12-23 08:56:13,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:13,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285743298] [2020-12-23 08:56:13,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:13,784 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 08:56:13,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285743298] [2020-12-23 08:56:13,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:13,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:13,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364732344] [2020-12-23 08:56:13,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:13,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:13,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:13,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:13,786 INFO L87 Difference]: Start difference. First operand 1205 states and 2148 transitions. Second operand 3 states. [2020-12-23 08:56:13,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:13,968 INFO L93 Difference]: Finished difference Result 3257 states and 5830 transitions. [2020-12-23 08:56:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:13,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 08:56:13,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:13,985 INFO L225 Difference]: With dead ends: 3257 [2020-12-23 08:56:13,985 INFO L226 Difference]: Without dead ends: 2149 [2020-12-23 08:56:13,988 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 08:56:13,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2020-12-23 08:56:14,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1913. [2020-12-23 08:56:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1913 states. [2020-12-23 08:56:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 3439 transitions. [2020-12-23 08:56:14,165 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 3439 transitions. Word has length 78 [2020-12-23 08:56:14,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:14,167 INFO L481 AbstractCegarLoop]: Abstraction has 1913 states and 3439 transitions. [2020-12-23 08:56:14,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 3439 transitions. [2020-12-23 08:56:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:56:14,174 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:14,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:14,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:56:14,175 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:14,176 INFO L82 PathProgramCache]: Analyzing trace with hash 883316470, now seen corresponding path program 1 times [2020-12-23 08:56:14,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:14,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874673801] [2020-12-23 08:56:14,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:14,295 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 08:56:14,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874673801] [2020-12-23 08:56:14,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:14,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:14,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990574759] [2020-12-23 08:56:14,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:14,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:14,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:14,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:14,303 INFO L87 Difference]: Start difference. First operand 1913 states and 3439 transitions. Second operand 3 states. [2020-12-23 08:56:14,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:14,517 INFO L93 Difference]: Finished difference Result 5117 states and 9222 transitions. [2020-12-23 08:56:14,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:14,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 08:56:14,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:14,539 INFO L225 Difference]: With dead ends: 5117 [2020-12-23 08:56:14,539 INFO L226 Difference]: Without dead ends: 3335 [2020-12-23 08:56:14,544 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 08:56:14,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2020-12-23 08:56:14,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3099. [2020-12-23 08:56:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3099 states. [2020-12-23 08:56:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 5596 transitions. [2020-12-23 08:56:14,864 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 5596 transitions. Word has length 79 [2020-12-23 08:56:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:14,865 INFO L481 AbstractCegarLoop]: Abstraction has 3099 states and 5596 transitions. [2020-12-23 08:56:14,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 5596 transitions. [2020-12-23 08:56:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:56:14,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:14,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:14,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:56:14,872 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:14,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:14,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1077097880, now seen corresponding path program 1 times [2020-12-23 08:56:14,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:14,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653407401] [2020-12-23 08:56:14,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:14,947 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 08:56:14,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653407401] [2020-12-23 08:56:14,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:14,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:14,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798453009] [2020-12-23 08:56:14,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:14,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:14,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:14,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:14,950 INFO L87 Difference]: Start difference. First operand 3099 states and 5596 transitions. Second operand 3 states. [2020-12-23 08:56:15,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:15,269 INFO L93 Difference]: Finished difference Result 8391 states and 15176 transitions. [2020-12-23 08:56:15,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:15,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 08:56:15,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:15,303 INFO L225 Difference]: With dead ends: 8391 [2020-12-23 08:56:15,303 INFO L226 Difference]: Without dead ends: 5457 [2020-12-23 08:56:15,310 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 08:56:15,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2020-12-23 08:56:15,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 5221. [2020-12-23 08:56:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5221 states. [2020-12-23 08:56:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 9445 transitions. [2020-12-23 08:56:15,709 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 9445 transitions. Word has length 80 [2020-12-23 08:56:15,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:15,709 INFO L481 AbstractCegarLoop]: Abstraction has 5221 states and 9445 transitions. [2020-12-23 08:56:15,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 9445 transitions. [2020-12-23 08:56:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:56:15,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:15,719 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:15,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:56:15,719 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:15,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:15,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2121624044, now seen corresponding path program 1 times [2020-12-23 08:56:15,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:15,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903805529] [2020-12-23 08:56:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:56:15,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903805529] [2020-12-23 08:56:15,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:15,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:56:15,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410438633] [2020-12-23 08:56:15,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:56:15,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:15,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:56:15,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:56:15,813 INFO L87 Difference]: Start difference. First operand 5221 states and 9445 transitions. Second operand 5 states. [2020-12-23 08:56:16,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:16,629 INFO L93 Difference]: Finished difference Result 14890 states and 26966 transitions. [2020-12-23 08:56:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:56:16,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-12-23 08:56:16,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:16,669 INFO L225 Difference]: With dead ends: 14890 [2020-12-23 08:56:16,670 INFO L226 Difference]: Without dead ends: 9912 [2020-12-23 08:56:16,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:56:16,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9912 states. [2020-12-23 08:56:17,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9912 to 5221. [2020-12-23 08:56:17,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5221 states. [2020-12-23 08:56:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 9395 transitions. [2020-12-23 08:56:17,163 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 9395 transitions. Word has length 81 [2020-12-23 08:56:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:17,163 INFO L481 AbstractCegarLoop]: Abstraction has 5221 states and 9395 transitions. [2020-12-23 08:56:17,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:56:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 9395 transitions. [2020-12-23 08:56:17,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:56:17,173 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:17,173 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:17,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:56:17,173 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:17,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:17,174 INFO L82 PathProgramCache]: Analyzing trace with hash 514170853, now seen corresponding path program 1 times [2020-12-23 08:56:17,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:17,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286625285] [2020-12-23 08:56:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:17,250 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 08:56:17,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286625285] [2020-12-23 08:56:17,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:17,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:17,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916964372] [2020-12-23 08:56:17,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:17,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:17,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:17,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:17,253 INFO L87 Difference]: Start difference. First operand 5221 states and 9395 transitions. Second operand 3 states. [2020-12-23 08:56:17,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:17,936 INFO L93 Difference]: Finished difference Result 15215 states and 27418 transitions. [2020-12-23 08:56:17,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:17,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-12-23 08:56:17,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:17,971 INFO L225 Difference]: With dead ends: 15215 [2020-12-23 08:56:17,971 INFO L226 Difference]: Without dead ends: 10163 [2020-12-23 08:56:17,984 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 08:56:17,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10163 states. [2020-12-23 08:56:18,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10163 to 9927. [2020-12-23 08:56:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9927 states. [2020-12-23 08:56:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9927 states to 9927 states and 17876 transitions. [2020-12-23 08:56:18,768 INFO L78 Accepts]: Start accepts. Automaton has 9927 states and 17876 transitions. Word has length 81 [2020-12-23 08:56:18,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:18,768 INFO L481 AbstractCegarLoop]: Abstraction has 9927 states and 17876 transitions. [2020-12-23 08:56:18,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 9927 states and 17876 transitions. [2020-12-23 08:56:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:56:18,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:18,785 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:18,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:56:18,786 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:18,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:18,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1818113671, now seen corresponding path program 1 times [2020-12-23 08:56:18,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:18,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994400749] [2020-12-23 08:56:18,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:19,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994400749] [2020-12-23 08:56:19,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:19,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:56:19,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387513366] [2020-12-23 08:56:19,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:56:19,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:19,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:56:19,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:56:19,065 INFO L87 Difference]: Start difference. First operand 9927 states and 17876 transitions. Second operand 9 states. [2020-12-23 08:56:21,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:21,081 INFO L93 Difference]: Finished difference Result 20513 states and 36840 transitions. [2020-12-23 08:56:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:56:21,081 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-12-23 08:56:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:21,142 INFO L225 Difference]: With dead ends: 20513 [2020-12-23 08:56:21,142 INFO L226 Difference]: Without dead ends: 20308 [2020-12-23 08:56:21,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2020-12-23 08:56:21,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20308 states. [2020-12-23 08:56:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20308 to 19607. [2020-12-23 08:56:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19607 states. [2020-12-23 08:56:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19607 states to 19607 states and 35342 transitions. [2020-12-23 08:56:22,620 INFO L78 Accepts]: Start accepts. Automaton has 19607 states and 35342 transitions. Word has length 82 [2020-12-23 08:56:22,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:22,621 INFO L481 AbstractCegarLoop]: Abstraction has 19607 states and 35342 transitions. [2020-12-23 08:56:22,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:56:22,621 INFO L276 IsEmpty]: Start isEmpty. Operand 19607 states and 35342 transitions. [2020-12-23 08:56:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:56:22,650 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:22,650 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:22,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:56:22,651 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:22,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:22,652 INFO L82 PathProgramCache]: Analyzing trace with hash -186976683, now seen corresponding path program 1 times [2020-12-23 08:56:22,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:22,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586518846] [2020-12-23 08:56:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:22,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586518846] [2020-12-23 08:56:22,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:22,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:56:22,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617744300] [2020-12-23 08:56:22,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:56:22,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:22,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:56:22,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:56:22,813 INFO L87 Difference]: Start difference. First operand 19607 states and 35342 transitions. Second operand 9 states. [2020-12-23 08:56:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:26,012 INFO L93 Difference]: Finished difference Result 40772 states and 73211 transitions. [2020-12-23 08:56:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 08:56:26,016 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-12-23 08:56:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:26,166 INFO L225 Difference]: With dead ends: 40772 [2020-12-23 08:56:26,167 INFO L226 Difference]: Without dead ends: 40444 [2020-12-23 08:56:26,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-12-23 08:56:26,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40444 states. [2020-12-23 08:56:28,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40444 to 38886. [2020-12-23 08:56:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38886 states. [2020-12-23 08:56:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38886 states to 38886 states and 70132 transitions. [2020-12-23 08:56:29,097 INFO L78 Accepts]: Start accepts. Automaton has 38886 states and 70132 transitions. Word has length 83 [2020-12-23 08:56:29,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:29,097 INFO L481 AbstractCegarLoop]: Abstraction has 38886 states and 70132 transitions. [2020-12-23 08:56:29,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:56:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 38886 states and 70132 transitions. [2020-12-23 08:56:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:56:29,154 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:29,154 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:29,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:56:29,155 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:29,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:29,155 INFO L82 PathProgramCache]: Analyzing trace with hash -46428073, now seen corresponding path program 1 times [2020-12-23 08:56:29,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:29,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222339630] [2020-12-23 08:56:29,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:29,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222339630] [2020-12-23 08:56:29,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:29,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:56:29,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321867172] [2020-12-23 08:56:29,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:56:29,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:29,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:56:29,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:56:29,312 INFO L87 Difference]: Start difference. First operand 38886 states and 70132 transitions. Second operand 9 states. [2020-12-23 08:56:29,533 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-23 08:56:31,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:31,398 INFO L93 Difference]: Finished difference Result 40772 states and 73297 transitions. [2020-12-23 08:56:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:56:31,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-12-23 08:56:31,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:31,509 INFO L225 Difference]: With dead ends: 40772 [2020-12-23 08:56:31,509 INFO L226 Difference]: Without dead ends: 40297 [2020-12-23 08:56:31,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-12-23 08:56:31,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40297 states. [2020-12-23 08:56:33,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40297 to 38896. [2020-12-23 08:56:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38896 states. [2020-12-23 08:56:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38896 states to 38896 states and 70142 transitions. [2020-12-23 08:56:33,511 INFO L78 Accepts]: Start accepts. Automaton has 38896 states and 70142 transitions. Word has length 83 [2020-12-23 08:56:33,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:33,511 INFO L481 AbstractCegarLoop]: Abstraction has 38896 states and 70142 transitions. [2020-12-23 08:56:33,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:56:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 38896 states and 70142 transitions. [2020-12-23 08:56:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:56:33,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:33,547 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:33,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:56:33,548 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:33,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:33,548 INFO L82 PathProgramCache]: Analyzing trace with hash 634911793, now seen corresponding path program 1 times [2020-12-23 08:56:33,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:33,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692985662] [2020-12-23 08:56:33,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:33,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692985662] [2020-12-23 08:56:33,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:33,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:56:33,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098873048] [2020-12-23 08:56:33,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:56:33,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:33,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:56:33,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:56:33,654 INFO L87 Difference]: Start difference. First operand 38896 states and 70142 transitions. Second operand 5 states. [2020-12-23 08:56:35,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:35,689 INFO L93 Difference]: Finished difference Result 41613 states and 74647 transitions. [2020-12-23 08:56:35,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:56:35,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-12-23 08:56:35,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:35,866 INFO L225 Difference]: With dead ends: 41613 [2020-12-23 08:56:35,867 INFO L226 Difference]: Without dead ends: 41154 [2020-12-23 08:56:35,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:56:35,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41154 states. [2020-12-23 08:56:37,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41154 to 39736. [2020-12-23 08:56:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39736 states. [2020-12-23 08:56:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39736 states to 39736 states and 71537 transitions. [2020-12-23 08:56:37,775 INFO L78 Accepts]: Start accepts. Automaton has 39736 states and 71537 transitions. Word has length 84 [2020-12-23 08:56:37,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:37,776 INFO L481 AbstractCegarLoop]: Abstraction has 39736 states and 71537 transitions. [2020-12-23 08:56:37,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:56:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 39736 states and 71537 transitions. [2020-12-23 08:56:37,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:56:37,802 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:37,802 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:37,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:56:37,803 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:37,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:37,803 INFO L82 PathProgramCache]: Analyzing trace with hash 422716437, now seen corresponding path program 1 times [2020-12-23 08:56:37,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:37,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105519475] [2020-12-23 08:56:37,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:37,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105519475] [2020-12-23 08:56:37,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:37,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:56:37,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421313700] [2020-12-23 08:56:37,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:56:37,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:37,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:56:37,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:56:37,933 INFO L87 Difference]: Start difference. First operand 39736 states and 71537 transitions. Second operand 8 states. [2020-12-23 08:56:39,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:39,841 INFO L93 Difference]: Finished difference Result 41105 states and 73793 transitions. [2020-12-23 08:56:39,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:56:39,841 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-12-23 08:56:39,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:39,929 INFO L225 Difference]: With dead ends: 41105 [2020-12-23 08:56:39,930 INFO L226 Difference]: Without dead ends: 39883 [2020-12-23 08:56:39,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-23 08:56:40,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39883 states. [2020-12-23 08:56:41,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39883 to 39404. [2020-12-23 08:56:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39404 states. [2020-12-23 08:56:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39404 states to 39404 states and 70973 transitions. [2020-12-23 08:56:41,995 INFO L78 Accepts]: Start accepts. Automaton has 39404 states and 70973 transitions. Word has length 85 [2020-12-23 08:56:41,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:41,996 INFO L481 AbstractCegarLoop]: Abstraction has 39404 states and 70973 transitions. [2020-12-23 08:56:41,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:56:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 39404 states and 70973 transitions. [2020-12-23 08:56:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:56:42,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:42,027 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:42,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:56:42,027 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:42,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:42,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1158193319, now seen corresponding path program 1 times [2020-12-23 08:56:42,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:42,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010355608] [2020-12-23 08:56:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:42,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010355608] [2020-12-23 08:56:42,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:42,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:56:42,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608951412] [2020-12-23 08:56:42,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:56:42,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:42,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:56:42,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:56:42,192 INFO L87 Difference]: Start difference. First operand 39404 states and 70973 transitions. Second operand 11 states. [2020-12-23 08:56:42,998 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-23 08:56:44,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:44,883 INFO L93 Difference]: Finished difference Result 42706 states and 76350 transitions. [2020-12-23 08:56:44,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:56:44,883 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 87 [2020-12-23 08:56:44,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:44,960 INFO L225 Difference]: With dead ends: 42706 [2020-12-23 08:56:44,961 INFO L226 Difference]: Without dead ends: 42349 [2020-12-23 08:56:44,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=194, Invalid=456, Unknown=0, NotChecked=0, Total=650 [2020-12-23 08:56:45,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42349 states. [2020-12-23 08:56:46,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42349 to 39534. [2020-12-23 08:56:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39534 states. [2020-12-23 08:56:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39534 states to 39534 states and 71192 transitions. [2020-12-23 08:56:46,854 INFO L78 Accepts]: Start accepts. Automaton has 39534 states and 71192 transitions. Word has length 87 [2020-12-23 08:56:46,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:46,855 INFO L481 AbstractCegarLoop]: Abstraction has 39534 states and 71192 transitions. [2020-12-23 08:56:46,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:56:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 39534 states and 71192 transitions. [2020-12-23 08:56:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:56:46,884 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:46,884 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:46,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:56:46,885 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:46,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1572801715, now seen corresponding path program 1 times [2020-12-23 08:56:46,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:46,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485350947] [2020-12-23 08:56:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:46,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485350947] [2020-12-23 08:56:46,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:46,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:56:46,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945080105] [2020-12-23 08:56:46,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:56:46,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:47,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:56:47,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:56:47,000 INFO L87 Difference]: Start difference. First operand 39534 states and 71192 transitions. Second operand 9 states. [2020-12-23 08:56:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:48,730 INFO L93 Difference]: Finished difference Result 40706 states and 73129 transitions. [2020-12-23 08:56:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 08:56:48,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-12-23 08:56:48,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:48,789 INFO L225 Difference]: With dead ends: 40706 [2020-12-23 08:56:48,790 INFO L226 Difference]: Without dead ends: 39470 [2020-12-23 08:56:48,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2020-12-23 08:56:48,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39470 states. [2020-12-23 08:56:50,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39470 to 39368. [2020-12-23 08:56:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39368 states. [2020-12-23 08:56:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39368 states to 39368 states and 70886 transitions. [2020-12-23 08:56:50,577 INFO L78 Accepts]: Start accepts. Automaton has 39368 states and 70886 transitions. Word has length 87 [2020-12-23 08:56:50,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:50,578 INFO L481 AbstractCegarLoop]: Abstraction has 39368 states and 70886 transitions. [2020-12-23 08:56:50,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:56:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 39368 states and 70886 transitions. [2020-12-23 08:56:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:56:50,608 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:50,608 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:50,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:56:50,609 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:50,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:50,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1909907856, now seen corresponding path program 1 times [2020-12-23 08:56:50,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:50,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835878228] [2020-12-23 08:56:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:50,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835878228] [2020-12-23 08:56:50,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:50,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:56:50,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836485763] [2020-12-23 08:56:50,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:56:50,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:50,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:56:50,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:56:50,800 INFO L87 Difference]: Start difference. First operand 39368 states and 70886 transitions. Second operand 10 states. [2020-12-23 08:56:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:53,168 INFO L93 Difference]: Finished difference Result 41428 states and 74188 transitions. [2020-12-23 08:56:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 08:56:53,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-12-23 08:56:53,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:53,225 INFO L225 Difference]: With dead ends: 41428 [2020-12-23 08:56:53,226 INFO L226 Difference]: Without dead ends: 41041 [2020-12-23 08:56:53,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=400, Unknown=0, NotChecked=0, Total=600 [2020-12-23 08:56:53,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41041 states. [2020-12-23 08:56:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41041 to 39695. [2020-12-23 08:56:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39695 states. [2020-12-23 08:56:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39695 states to 39695 states and 71419 transitions. [2020-12-23 08:56:55,024 INFO L78 Accepts]: Start accepts. Automaton has 39695 states and 71419 transitions. Word has length 88 [2020-12-23 08:56:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:55,025 INFO L481 AbstractCegarLoop]: Abstraction has 39695 states and 71419 transitions. [2020-12-23 08:56:55,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:56:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 39695 states and 71419 transitions. [2020-12-23 08:56:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:56:55,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:55,055 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:55,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:56:55,055 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:55,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1898110620, now seen corresponding path program 1 times [2020-12-23 08:56:55,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:55,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727794154] [2020-12-23 08:56:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:55,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727794154] [2020-12-23 08:56:55,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:55,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:56:55,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463384551] [2020-12-23 08:56:55,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:56:55,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:55,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:56:55,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:56:55,214 INFO L87 Difference]: Start difference. First operand 39695 states and 71419 transitions. Second operand 12 states. [2020-12-23 08:57:02,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:02,819 INFO L93 Difference]: Finished difference Result 128791 states and 229677 transitions. [2020-12-23 08:57:02,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 08:57:02,819 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-12-23 08:57:02,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:03,057 INFO L225 Difference]: With dead ends: 128791 [2020-12-23 08:57:03,058 INFO L226 Difference]: Without dead ends: 128084 [2020-12-23 08:57:03,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=420, Invalid=912, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:57:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128084 states. [2020-12-23 08:57:07,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128084 to 80465. [2020-12-23 08:57:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80465 states. [2020-12-23 08:57:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80465 states to 80465 states and 144570 transitions. [2020-12-23 08:57:07,600 INFO L78 Accepts]: Start accepts. Automaton has 80465 states and 144570 transitions. Word has length 88 [2020-12-23 08:57:07,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:07,600 INFO L481 AbstractCegarLoop]: Abstraction has 80465 states and 144570 transitions. [2020-12-23 08:57:07,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:57:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 80465 states and 144570 transitions. [2020-12-23 08:57:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:57:07,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:07,652 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:57:07,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:57:07,653 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:07,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:07,653 INFO L82 PathProgramCache]: Analyzing trace with hash -676098081, now seen corresponding path program 1 times [2020-12-23 08:57:07,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:07,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969947262] [2020-12-23 08:57:07,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:57:07,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969947262] [2020-12-23 08:57:07,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:07,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:57:07,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862096987] [2020-12-23 08:57:07,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:57:07,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:07,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:57:07,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:57:07,950 INFO L87 Difference]: Start difference. First operand 80465 states and 144570 transitions. Second operand 4 states. [2020-12-23 08:57:11,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:11,151 INFO L93 Difference]: Finished difference Result 80604 states and 144791 transitions. [2020-12-23 08:57:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:57:11,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2020-12-23 08:57:11,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:11,287 INFO L225 Difference]: With dead ends: 80604 [2020-12-23 08:57:11,287 INFO L226 Difference]: Without dead ends: 79594 [2020-12-23 08:57:11,307 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 08:57:11,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79594 states. [2020-12-23 08:57:14,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79594 to 79594. [2020-12-23 08:57:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79594 states. [2020-12-23 08:57:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79594 states to 79594 states and 143121 transitions. [2020-12-23 08:57:15,072 INFO L78 Accepts]: Start accepts. Automaton has 79594 states and 143121 transitions. Word has length 88 [2020-12-23 08:57:15,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:15,072 INFO L481 AbstractCegarLoop]: Abstraction has 79594 states and 143121 transitions. [2020-12-23 08:57:15,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:57:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 79594 states and 143121 transitions. [2020-12-23 08:57:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:57:15,120 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:15,120 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:57:15,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:57:15,121 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:15,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:15,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1286892892, now seen corresponding path program 1 times [2020-12-23 08:57:15,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:15,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349345882] [2020-12-23 08:57:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:57:15,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349345882] [2020-12-23 08:57:15,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:15,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:57:15,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825846336] [2020-12-23 08:57:15,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:57:15,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:15,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:57:15,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:57:15,287 INFO L87 Difference]: Start difference. First operand 79594 states and 143121 transitions. Second operand 12 states. [2020-12-23 08:57:27,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:27,943 INFO L93 Difference]: Finished difference Result 211786 states and 378036 transitions. [2020-12-23 08:57:27,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 08:57:27,944 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-12-23 08:57:27,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:28,587 INFO L225 Difference]: With dead ends: 211786 [2020-12-23 08:57:28,588 INFO L226 Difference]: Without dead ends: 210678 [2020-12-23 08:57:28,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=420, Invalid=912, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:57:28,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210678 states. [2020-12-23 08:57:37,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210678 to 159385. [2020-12-23 08:57:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159385 states. [2020-12-23 08:57:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159385 states to 159385 states and 286479 transitions. [2020-12-23 08:57:37,763 INFO L78 Accepts]: Start accepts. Automaton has 159385 states and 286479 transitions. Word has length 89 [2020-12-23 08:57:37,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:37,764 INFO L481 AbstractCegarLoop]: Abstraction has 159385 states and 286479 transitions. [2020-12-23 08:57:37,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:57:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 159385 states and 286479 transitions. [2020-12-23 08:57:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:57:37,847 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:37,848 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:57:37,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:57:37,848 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:37,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:37,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1286833310, now seen corresponding path program 1 times [2020-12-23 08:57:37,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:37,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672232666] [2020-12-23 08:57:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:37,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672232666] [2020-12-23 08:57:37,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347909294] [2020-12-23 08:57:37,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:57:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:38,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:57:38,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:57:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:38,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:57:38,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-12-23 08:57:38,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345417940] [2020-12-23 08:57:38,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:57:38,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:38,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:57:38,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:57:38,477 INFO L87 Difference]: Start difference. First operand 159385 states and 286479 transitions. Second operand 6 states. [2020-12-23 08:57:47,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:47,284 INFO L93 Difference]: Finished difference Result 181158 states and 323391 transitions. [2020-12-23 08:57:47,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:57:47,284 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-12-23 08:57:47,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:47,662 INFO L225 Difference]: With dead ends: 181158 [2020-12-23 08:57:47,662 INFO L226 Difference]: Without dead ends: 174718 [2020-12-23 08:57:47,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:57:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174718 states. [2020-12-23 08:57:56,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174718 to 169555. [2020-12-23 08:57:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169555 states. [2020-12-23 08:57:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169555 states to 169555 states and 304583 transitions. [2020-12-23 08:57:57,205 INFO L78 Accepts]: Start accepts. Automaton has 169555 states and 304583 transitions. Word has length 89 [2020-12-23 08:57:57,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:57,206 INFO L481 AbstractCegarLoop]: Abstraction has 169555 states and 304583 transitions. [2020-12-23 08:57:57,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:57:57,206 INFO L276 IsEmpty]: Start isEmpty. Operand 169555 states and 304583 transitions. [2020-12-23 08:57:57,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:57:57,314 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:57,314 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:57,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-23 08:57:57,527 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:57,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:57,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1992791602, now seen corresponding path program 1 times [2020-12-23 08:57:57,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:57,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066961861] [2020-12-23 08:57:57,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:57,586 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 08:57:57,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066961861] [2020-12-23 08:57:57,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:57,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:57,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091952472] [2020-12-23 08:57:57,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:57,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:57,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:57,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:57,588 INFO L87 Difference]: Start difference. First operand 169555 states and 304583 transitions. Second operand 3 states. [2020-12-23 08:58:12,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:58:12,952 INFO L93 Difference]: Finished difference Result 487655 states and 877465 transitions. [2020-12-23 08:58:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:58:12,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-12-23 08:58:12,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:58:14,078 INFO L225 Difference]: With dead ends: 487655 [2020-12-23 08:58:14,078 INFO L226 Difference]: Without dead ends: 323760 [2020-12-23 08:58:14,294 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 08:58:14,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323760 states. [2020-12-23 08:58:33,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323760 to 316413. [2020-12-23 08:58:33,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316413 states. [2020-12-23 08:58:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316413 states to 316413 states and 569865 transitions. [2020-12-23 08:58:34,693 INFO L78 Accepts]: Start accepts. Automaton has 316413 states and 569865 transitions. Word has length 89 [2020-12-23 08:58:34,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:58:34,693 INFO L481 AbstractCegarLoop]: Abstraction has 316413 states and 569865 transitions. [2020-12-23 08:58:34,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:58:34,693 INFO L276 IsEmpty]: Start isEmpty. Operand 316413 states and 569865 transitions. [2020-12-23 08:58:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:58:34,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:58:34,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:58:34,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:58:34,851 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:58:34,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:58:34,851 INFO L82 PathProgramCache]: Analyzing trace with hash -73868328, now seen corresponding path program 1 times [2020-12-23 08:58:34,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:58:34,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126971917] [2020-12-23 08:58:34,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:58:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:58:34,912 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 08:58:34,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126971917] [2020-12-23 08:58:34,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:58:34,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:58:34,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278756715] [2020-12-23 08:58:34,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:58:34,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:58:34,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:58:34,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:58:34,914 INFO L87 Difference]: Start difference. First operand 316413 states and 569865 transitions. Second operand 3 states. [2020-12-23 08:59:04,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:04,725 INFO L93 Difference]: Finished difference Result 929661 states and 1674595 transitions. [2020-12-23 08:59:04,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:04,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-12-23 08:59:04,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:06,763 INFO L225 Difference]: With dead ends: 929661 [2020-12-23 08:59:06,763 INFO L226 Difference]: Without dead ends: 619622 [2020-12-23 08:59:07,867 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 08:59:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619622 states.