/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_spec27_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:46:02,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:46:02,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:46:02,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:46:02,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:46:02,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:46:02,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:46:02,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:46:02,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:46:02,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:46:02,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:46:02,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:46:02,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:46:02,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:46:02,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:46:02,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:46:02,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:46:02,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:46:02,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:46:02,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:46:02,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:46:02,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:46:02,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:46:02,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:46:02,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:46:02,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:46:02,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:46:02,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:46:02,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:46:02,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:46:02,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:46:02,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:46:02,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:46:02,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:46:02,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:46:02,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:46:02,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:46:02,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:46:02,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:46:02,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:46:02,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:46:02,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:46:02,413 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:46:02,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:46:02,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:46:02,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:46:02,418 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:46:02,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:46:02,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:46:02,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:46:02,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:46:02,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:46:02,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:46:02,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:46:02,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:46:02,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:46:02,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:46:02,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:46:02,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:46:02,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:46:02,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:46:02,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:46:02,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:46:02,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:46:02,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:46:02,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:46:02,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:46:02,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:46:02,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:46:02,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:46:02,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:46:02,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:46:02,912 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:46:02,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c [2021-01-06 18:46:02,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/796c13ea4/ccc3c7272a6f4d40a20c509b7e296cbe/FLAGf97b19de2 [2021-01-06 18:46:03,815 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:46:03,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c [2021-01-06 18:46:03,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/796c13ea4/ccc3c7272a6f4d40a20c509b7e296cbe/FLAGf97b19de2 [2021-01-06 18:46:03,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/796c13ea4/ccc3c7272a6f4d40a20c509b7e296cbe [2021-01-06 18:46:03,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:46:03,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:46:03,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:46:03,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:46:03,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:46:03,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:46:03" (1/1) ... [2021-01-06 18:46:03,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aeedeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:03, skipping insertion in model container [2021-01-06 18:46:03,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:46:03" (1/1) ... [2021-01-06 18:46:04,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:46:04,108 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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_tmp8~1,] 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_tmp5~1,] 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_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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_tmp5~2,] 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_tmp8~3,] 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~5,] 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~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] 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_tmp8~4,] 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~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_12~1,] 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_tmp8~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] 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~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[~__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~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_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~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[~__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~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_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~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_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~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_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~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_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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~18,] 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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~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_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~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[~__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~7,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~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[~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[~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[~retValue_acc~22,] 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[~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[~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[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] 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~25,] 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~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[~retValue_acc~26,] 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~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[~retValue_acc~27,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~29,] 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[~retValue_acc~29,] 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[~retValue_acc~29,] 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[~retValue_acc~29,] 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~30,] 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[~retValue_acc~30,] 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[~retValue_acc~30,] 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[~retValue_acc~30,] 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[~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[~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[~retValue_acc~31,] 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~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[~retValue_acc~32,] 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~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[~retValue_acc~33,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] 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_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] [2021-01-06 18:46:04,877 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_spec27_product27.cil.c[57364,57377] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] 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[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~39,] 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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2021-01-06 18:46:04,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:46:04,980 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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_tmp8~1,] 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_tmp5~1,] 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_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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_tmp5~2,] 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_tmp8~3,] 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~5,] 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~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] 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_tmp8~4,] 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~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_12~1,] 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_tmp8~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] 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~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[~__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~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_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~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[~__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~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_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~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_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~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_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~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_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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~18,] 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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~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_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~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[~__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~7,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~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[~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[~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[~retValue_acc~22,] 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[~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[~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[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] 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~25,] 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~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[~retValue_acc~26,] 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~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[~retValue_acc~27,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~29,] 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[~retValue_acc~29,] 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[~retValue_acc~29,] 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[~retValue_acc~29,] 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~30,] 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[~retValue_acc~30,] 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[~retValue_acc~30,] 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[~retValue_acc~30,] 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[~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[~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[~retValue_acc~31,] 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~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[~retValue_acc~32,] 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~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[~retValue_acc~33,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] 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_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] [2021-01-06 18:46:05,114 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_spec27_product27.cil.c[57364,57377] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] 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[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~39,] 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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2021-01-06 18:46:05,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:46:05,243 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:46:05,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05 WrapperNode [2021-01-06 18:46:05,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:46:05,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:46:05,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:46:05,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:46:05,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:46:05,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:46:05,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:46:05,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:46:05,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (1/1) ... [2021-01-06 18:46:05,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:46:05,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:46:05,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:46:05,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:46:05,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (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 [2021-01-06 18:46:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:46:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:46:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:46:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:46:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:46:10,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:46:10,122 INFO L299 CfgBuilder]: Removed 709 assume(true) statements. [2021-01-06 18:46:10,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:46:10 BoogieIcfgContainer [2021-01-06 18:46:10,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:46:10,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:46:10,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:46:10,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:46:10,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:46:03" (1/3) ... [2021-01-06 18:46:10,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7971dd70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:46:10, skipping insertion in model container [2021-01-06 18:46:10,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:05" (2/3) ... [2021-01-06 18:46:10,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7971dd70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:46:10, skipping insertion in model container [2021-01-06 18:46:10,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:46:10" (3/3) ... [2021-01-06 18:46:10,135 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product27.cil.c [2021-01-06 18:46:10,142 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:46:10,148 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:46:10,168 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:46:10,206 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:46:10,206 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:46:10,206 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:46:10,207 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:46:10,207 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:46:10,207 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:46:10,207 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:46:10,207 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:46:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states. [2021-01-06 18:46:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:46:10,258 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:10,259 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] [2021-01-06 18:46:10,260 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:10,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:10,266 INFO L82 PathProgramCache]: Analyzing trace with hash 735378655, now seen corresponding path program 1 times [2021-01-06 18:46:10,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:10,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860718974] [2021-01-06 18:46:10,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:10,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860718974] [2021-01-06 18:46:10,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:10,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:10,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301311047] [2021-01-06 18:46:10,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:10,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:10,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:10,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:10,785 INFO L87 Difference]: Start difference. First operand 1042 states. Second operand 3 states. [2021-01-06 18:46:10,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:10,992 INFO L93 Difference]: Finished difference Result 3091 states and 5333 transitions. [2021-01-06 18:46:10,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:10,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 18:46:10,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:11,031 INFO L225 Difference]: With dead ends: 3091 [2021-01-06 18:46:11,031 INFO L226 Difference]: Without dead ends: 1880 [2021-01-06 18:46:11,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:11,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2021-01-06 18:46:11,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 949. [2021-01-06 18:46:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2021-01-06 18:46:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1636 transitions. [2021-01-06 18:46:11,178 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1636 transitions. Word has length 51 [2021-01-06 18:46:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:11,178 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1636 transitions. [2021-01-06 18:46:11,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1636 transitions. [2021-01-06 18:46:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:46:11,183 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:11,183 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] [2021-01-06 18:46:11,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:46:11,184 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:11,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:11,185 INFO L82 PathProgramCache]: Analyzing trace with hash 407561006, now seen corresponding path program 1 times [2021-01-06 18:46:11,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:11,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967791867] [2021-01-06 18:46:11,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:11,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967791867] [2021-01-06 18:46:11,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:11,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:11,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131860299] [2021-01-06 18:46:11,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:11,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:11,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:11,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:11,366 INFO L87 Difference]: Start difference. First operand 949 states and 1636 transitions. Second operand 5 states. [2021-01-06 18:46:11,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:11,657 INFO L93 Difference]: Finished difference Result 2796 states and 4824 transitions. [2021-01-06 18:46:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:46:11,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-01-06 18:46:11,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:11,672 INFO L225 Difference]: With dead ends: 2796 [2021-01-06 18:46:11,672 INFO L226 Difference]: Without dead ends: 1866 [2021-01-06 18:46:11,676 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 [2021-01-06 18:46:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2021-01-06 18:46:11,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 949. [2021-01-06 18:46:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2021-01-06 18:46:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1635 transitions. [2021-01-06 18:46:11,743 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1635 transitions. Word has length 53 [2021-01-06 18:46:11,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:11,744 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1635 transitions. [2021-01-06 18:46:11,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:11,745 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1635 transitions. [2021-01-06 18:46:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:46:11,750 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:11,750 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] [2021-01-06 18:46:11,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:46:11,752 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:11,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:11,754 INFO L82 PathProgramCache]: Analyzing trace with hash -963117567, now seen corresponding path program 1 times [2021-01-06 18:46:11,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:11,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101024126] [2021-01-06 18:46:11,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:11,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101024126] [2021-01-06 18:46:11,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:11,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:11,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275926033] [2021-01-06 18:46:11,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:11,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:11,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:11,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:11,944 INFO L87 Difference]: Start difference. First operand 949 states and 1635 transitions. Second operand 3 states. [2021-01-06 18:46:12,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:12,020 INFO L93 Difference]: Finished difference Result 1880 states and 3244 transitions. [2021-01-06 18:46:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:12,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-06 18:46:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:12,026 INFO L225 Difference]: With dead ends: 1880 [2021-01-06 18:46:12,027 INFO L226 Difference]: Without dead ends: 954 [2021-01-06 18:46:12,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:12,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-01-06 18:46:12,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 949. [2021-01-06 18:46:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2021-01-06 18:46:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1634 transitions. [2021-01-06 18:46:12,120 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1634 transitions. Word has length 54 [2021-01-06 18:46:12,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:12,127 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1634 transitions. [2021-01-06 18:46:12,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1634 transitions. [2021-01-06 18:46:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:46:12,129 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:12,129 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] [2021-01-06 18:46:12,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:46:12,130 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:12,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:12,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2124428539, now seen corresponding path program 1 times [2021-01-06 18:46:12,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:12,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499802643] [2021-01-06 18:46:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:12,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499802643] [2021-01-06 18:46:12,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:12,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:12,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093489682] [2021-01-06 18:46:12,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:12,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:12,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:12,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:12,249 INFO L87 Difference]: Start difference. First operand 949 states and 1634 transitions. Second operand 3 states. [2021-01-06 18:46:12,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:12,325 INFO L93 Difference]: Finished difference Result 1890 states and 3257 transitions. [2021-01-06 18:46:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:12,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 18:46:12,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:12,331 INFO L225 Difference]: With dead ends: 1890 [2021-01-06 18:46:12,332 INFO L226 Difference]: Without dead ends: 949 [2021-01-06 18:46:12,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:12,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2021-01-06 18:46:12,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2021-01-06 18:46:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2021-01-06 18:46:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1632 transitions. [2021-01-06 18:46:12,377 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1632 transitions. Word has length 55 [2021-01-06 18:46:12,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:12,379 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1632 transitions. [2021-01-06 18:46:12,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:12,379 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1632 transitions. [2021-01-06 18:46:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:46:12,381 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:12,382 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] [2021-01-06 18:46:12,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:46:12,382 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:12,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1264340602, now seen corresponding path program 1 times [2021-01-06 18:46:12,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:12,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485669362] [2021-01-06 18:46:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:12,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485669362] [2021-01-06 18:46:12,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:12,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:12,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119881972] [2021-01-06 18:46:12,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:12,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:12,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:12,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:12,515 INFO L87 Difference]: Start difference. First operand 949 states and 1632 transitions. Second operand 5 states. [2021-01-06 18:46:12,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:12,762 INFO L93 Difference]: Finished difference Result 2786 states and 4804 transitions. [2021-01-06 18:46:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:12,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-01-06 18:46:12,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:12,773 INFO L225 Difference]: With dead ends: 2786 [2021-01-06 18:46:12,774 INFO L226 Difference]: Without dead ends: 1864 [2021-01-06 18:46:12,776 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 [2021-01-06 18:46:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2021-01-06 18:46:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 949. [2021-01-06 18:46:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2021-01-06 18:46:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1631 transitions. [2021-01-06 18:46:12,835 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1631 transitions. Word has length 56 [2021-01-06 18:46:12,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:12,835 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1631 transitions. [2021-01-06 18:46:12,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1631 transitions. [2021-01-06 18:46:12,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:46:12,837 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:12,837 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] [2021-01-06 18:46:12,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:46:12,838 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:12,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:12,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1883381565, now seen corresponding path program 1 times [2021-01-06 18:46:12,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:12,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085560064] [2021-01-06 18:46:12,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:13,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:13,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085560064] [2021-01-06 18:46:13,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:13,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:13,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515714583] [2021-01-06 18:46:13,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:13,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:13,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:13,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:13,008 INFO L87 Difference]: Start difference. First operand 949 states and 1631 transitions. Second operand 5 states. [2021-01-06 18:46:13,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:13,265 INFO L93 Difference]: Finished difference Result 2791 states and 4809 transitions. [2021-01-06 18:46:13,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:13,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2021-01-06 18:46:13,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:13,277 INFO L225 Difference]: With dead ends: 2791 [2021-01-06 18:46:13,278 INFO L226 Difference]: Without dead ends: 1869 [2021-01-06 18:46:13,281 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 [2021-01-06 18:46:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2021-01-06 18:46:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 949. [2021-01-06 18:46:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2021-01-06 18:46:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1630 transitions. [2021-01-06 18:46:13,350 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1630 transitions. Word has length 57 [2021-01-06 18:46:13,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:13,351 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1630 transitions. [2021-01-06 18:46:13,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1630 transitions. [2021-01-06 18:46:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:46:13,352 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:13,352 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] [2021-01-06 18:46:13,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:46:13,354 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:13,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:13,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2050013867, now seen corresponding path program 1 times [2021-01-06 18:46:13,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:13,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380739801] [2021-01-06 18:46:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:13,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380739801] [2021-01-06 18:46:13,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:13,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:13,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466788488] [2021-01-06 18:46:13,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:13,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:13,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:13,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:13,467 INFO L87 Difference]: Start difference. First operand 949 states and 1630 transitions. Second operand 3 states. [2021-01-06 18:46:13,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:13,533 INFO L93 Difference]: Finished difference Result 1613 states and 2747 transitions. [2021-01-06 18:46:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:13,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:46:13,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:13,539 INFO L225 Difference]: With dead ends: 1613 [2021-01-06 18:46:13,540 INFO L226 Difference]: Without dead ends: 952 [2021-01-06 18:46:13,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:13,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2021-01-06 18:46:13,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 951. [2021-01-06 18:46:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2021-01-06 18:46:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1632 transitions. [2021-01-06 18:46:13,610 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1632 transitions. Word has length 58 [2021-01-06 18:46:13,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:13,610 INFO L481 AbstractCegarLoop]: Abstraction has 951 states and 1632 transitions. [2021-01-06 18:46:13,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1632 transitions. [2021-01-06 18:46:13,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:46:13,612 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:13,612 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] [2021-01-06 18:46:13,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:46:13,613 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:13,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:13,613 INFO L82 PathProgramCache]: Analyzing trace with hash 833083645, now seen corresponding path program 1 times [2021-01-06 18:46:13,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:13,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179874173] [2021-01-06 18:46:13,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:13,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179874173] [2021-01-06 18:46:13,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:13,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:13,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96558894] [2021-01-06 18:46:13,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:13,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:13,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:13,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:13,718 INFO L87 Difference]: Start difference. First operand 951 states and 1632 transitions. Second operand 3 states. [2021-01-06 18:46:13,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:13,849 INFO L93 Difference]: Finished difference Result 2739 states and 4720 transitions. [2021-01-06 18:46:13,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:13,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:46:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:13,860 INFO L225 Difference]: With dead ends: 2739 [2021-01-06 18:46:13,861 INFO L226 Difference]: Without dead ends: 1819 [2021-01-06 18:46:13,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:13,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2021-01-06 18:46:13,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1158. [2021-01-06 18:46:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2021-01-06 18:46:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 2014 transitions. [2021-01-06 18:46:13,951 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 2014 transitions. Word has length 66 [2021-01-06 18:46:13,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:13,953 INFO L481 AbstractCegarLoop]: Abstraction has 1158 states and 2014 transitions. [2021-01-06 18:46:13,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2014 transitions. [2021-01-06 18:46:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:46:13,955 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:13,955 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] [2021-01-06 18:46:13,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:46:13,956 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:13,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:13,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1196375230, now seen corresponding path program 1 times [2021-01-06 18:46:13,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:13,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23977746] [2021-01-06 18:46:13,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:14,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23977746] [2021-01-06 18:46:14,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:14,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:14,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129565894] [2021-01-06 18:46:14,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:14,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:14,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:14,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:14,097 INFO L87 Difference]: Start difference. First operand 1158 states and 2014 transitions. Second operand 5 states. [2021-01-06 18:46:14,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:14,463 INFO L93 Difference]: Finished difference Result 3404 states and 5948 transitions. [2021-01-06 18:46:14,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:14,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 18:46:14,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:14,478 INFO L225 Difference]: With dead ends: 3404 [2021-01-06 18:46:14,478 INFO L226 Difference]: Without dead ends: 2277 [2021-01-06 18:46:14,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:46:14,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2021-01-06 18:46:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 1158. [2021-01-06 18:46:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2021-01-06 18:46:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 2012 transitions. [2021-01-06 18:46:14,580 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 2012 transitions. Word has length 67 [2021-01-06 18:46:14,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:14,581 INFO L481 AbstractCegarLoop]: Abstraction has 1158 states and 2012 transitions. [2021-01-06 18:46:14,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:14,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2012 transitions. [2021-01-06 18:46:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:46:14,589 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:14,590 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] [2021-01-06 18:46:14,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:46:14,590 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:14,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:14,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1343152249, now seen corresponding path program 1 times [2021-01-06 18:46:14,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:14,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721638422] [2021-01-06 18:46:14,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:14,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721638422] [2021-01-06 18:46:14,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:14,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:14,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624897794] [2021-01-06 18:46:14,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:14,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:14,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:14,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:14,662 INFO L87 Difference]: Start difference. First operand 1158 states and 2012 transitions. Second operand 3 states. [2021-01-06 18:46:14,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:14,829 INFO L93 Difference]: Finished difference Result 3402 states and 5940 transitions. [2021-01-06 18:46:14,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:14,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:46:14,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:14,843 INFO L225 Difference]: With dead ends: 3402 [2021-01-06 18:46:14,843 INFO L226 Difference]: Without dead ends: 2275 [2021-01-06 18:46:14,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2021-01-06 18:46:14,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 1614. [2021-01-06 18:46:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1614 states. [2021-01-06 18:46:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2853 transitions. [2021-01-06 18:46:14,966 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2853 transitions. Word has length 68 [2021-01-06 18:46:14,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:14,967 INFO L481 AbstractCegarLoop]: Abstraction has 1614 states and 2853 transitions. [2021-01-06 18:46:14,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:14,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2853 transitions. [2021-01-06 18:46:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:46:14,970 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:14,970 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] [2021-01-06 18:46:14,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:46:14,970 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:14,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:14,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1776845527, now seen corresponding path program 1 times [2021-01-06 18:46:14,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:14,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188781300] [2021-01-06 18:46:14,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:15,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188781300] [2021-01-06 18:46:15,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030031795] [2021-01-06 18:46:15,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:46:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:15,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:46:15,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:46:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:15,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:46:15,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:46:15,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278902340] [2021-01-06 18:46:15,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:15,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:15,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:15,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:15,832 INFO L87 Difference]: Start difference. First operand 1614 states and 2853 transitions. Second operand 5 states. [2021-01-06 18:46:16,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:16,094 INFO L93 Difference]: Finished difference Result 3202 states and 5564 transitions. [2021-01-06 18:46:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:46:16,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 18:46:16,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:16,110 INFO L225 Difference]: With dead ends: 3202 [2021-01-06 18:46:16,110 INFO L226 Difference]: Without dead ends: 2541 [2021-01-06 18:46:16,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:16,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2021-01-06 18:46:16,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 1877. [2021-01-06 18:46:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2021-01-06 18:46:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 3332 transitions. [2021-01-06 18:46:16,265 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 3332 transitions. Word has length 68 [2021-01-06 18:46:16,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:16,265 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 3332 transitions. [2021-01-06 18:46:16,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 3332 transitions. [2021-01-06 18:46:16,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:46:16,269 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:16,269 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] [2021-01-06 18:46:16,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:46:16,484 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:16,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:16,485 INFO L82 PathProgramCache]: Analyzing trace with hash 908269292, now seen corresponding path program 1 times [2021-01-06 18:46:16,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:16,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764243487] [2021-01-06 18:46:16,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:16,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764243487] [2021-01-06 18:46:16,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:16,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:16,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528902040] [2021-01-06 18:46:16,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:16,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:16,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:16,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:16,561 INFO L87 Difference]: Start difference. First operand 1877 states and 3332 transitions. Second operand 3 states. [2021-01-06 18:46:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:16,777 INFO L93 Difference]: Finished difference Result 5218 states and 9281 transitions. [2021-01-06 18:46:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:16,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:46:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:16,797 INFO L225 Difference]: With dead ends: 5218 [2021-01-06 18:46:16,797 INFO L226 Difference]: Without dead ends: 3442 [2021-01-06 18:46:16,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:16,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3442 states. [2021-01-06 18:46:17,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3442 to 2781. [2021-01-06 18:46:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2781 states. [2021-01-06 18:46:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 4993 transitions. [2021-01-06 18:46:17,046 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 4993 transitions. Word has length 72 [2021-01-06 18:46:17,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:17,046 INFO L481 AbstractCegarLoop]: Abstraction has 2781 states and 4993 transitions. [2021-01-06 18:46:17,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 4993 transitions. [2021-01-06 18:46:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:46:17,051 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:17,052 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] [2021-01-06 18:46:17,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:46:17,052 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:17,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:17,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1228966252, now seen corresponding path program 1 times [2021-01-06 18:46:17,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:17,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565233775] [2021-01-06 18:46:17,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:17,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565233775] [2021-01-06 18:46:17,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:17,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:17,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653840984] [2021-01-06 18:46:17,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:17,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:17,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:17,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:17,123 INFO L87 Difference]: Start difference. First operand 2781 states and 4993 transitions. Second operand 3 states. [2021-01-06 18:46:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:17,402 INFO L93 Difference]: Finished difference Result 7666 states and 13783 transitions. [2021-01-06 18:46:17,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:17,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2021-01-06 18:46:17,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:17,421 INFO L225 Difference]: With dead ends: 7666 [2021-01-06 18:46:17,422 INFO L226 Difference]: Without dead ends: 5020 [2021-01-06 18:46:17,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2021-01-06 18:46:17,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 4359. [2021-01-06 18:46:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4359 states. [2021-01-06 18:46:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 4359 states and 7890 transitions. [2021-01-06 18:46:17,784 INFO L78 Accepts]: Start accepts. Automaton has 4359 states and 7890 transitions. Word has length 73 [2021-01-06 18:46:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:17,784 INFO L481 AbstractCegarLoop]: Abstraction has 4359 states and 7890 transitions. [2021-01-06 18:46:17,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 4359 states and 7890 transitions. [2021-01-06 18:46:17,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:46:17,795 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:17,795 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] [2021-01-06 18:46:17,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:46:17,796 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:17,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:17,796 INFO L82 PathProgramCache]: Analyzing trace with hash 881154971, now seen corresponding path program 1 times [2021-01-06 18:46:17,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:17,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245309436] [2021-01-06 18:46:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:17,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245309436] [2021-01-06 18:46:17,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:17,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:17,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305731379] [2021-01-06 18:46:17,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:17,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:17,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:17,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:17,896 INFO L87 Difference]: Start difference. First operand 4359 states and 7890 transitions. Second operand 3 states. [2021-01-06 18:46:18,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:18,328 INFO L93 Difference]: Finished difference Result 12116 states and 21957 transitions. [2021-01-06 18:46:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:18,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:46:18,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:18,357 INFO L225 Difference]: With dead ends: 12116 [2021-01-06 18:46:18,357 INFO L226 Difference]: Without dead ends: 7926 [2021-01-06 18:46:18,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7926 states. [2021-01-06 18:46:18,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7926 to 7265. [2021-01-06 18:46:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7265 states. [2021-01-06 18:46:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7265 states to 7265 states and 13219 transitions. [2021-01-06 18:46:18,860 INFO L78 Accepts]: Start accepts. Automaton has 7265 states and 13219 transitions. Word has length 74 [2021-01-06 18:46:18,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:18,860 INFO L481 AbstractCegarLoop]: Abstraction has 7265 states and 13219 transitions. [2021-01-06 18:46:18,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 7265 states and 13219 transitions. [2021-01-06 18:46:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:46:18,869 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:18,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:18,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:46:18,870 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:18,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:18,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1000131781, now seen corresponding path program 1 times [2021-01-06 18:46:18,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:18,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150346972] [2021-01-06 18:46:18,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:18,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150346972] [2021-01-06 18:46:18,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:18,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:18,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407290359] [2021-01-06 18:46:18,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:18,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:18,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:18,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:18,937 INFO L87 Difference]: Start difference. First operand 7265 states and 13219 transitions. Second operand 3 states. [2021-01-06 18:46:19,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:19,689 INFO L93 Difference]: Finished difference Result 21160 states and 38555 transitions. [2021-01-06 18:46:19,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:19,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:46:19,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:19,744 INFO L225 Difference]: With dead ends: 21160 [2021-01-06 18:46:19,744 INFO L226 Difference]: Without dead ends: 14072 [2021-01-06 18:46:19,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:19,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14072 states. [2021-01-06 18:46:20,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14072 to 13411. [2021-01-06 18:46:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13411 states. [2021-01-06 18:46:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13411 states to 13411 states and 24484 transitions. [2021-01-06 18:46:20,519 INFO L78 Accepts]: Start accepts. Automaton has 13411 states and 24484 transitions. Word has length 75 [2021-01-06 18:46:20,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:20,520 INFO L481 AbstractCegarLoop]: Abstraction has 13411 states and 24484 transitions. [2021-01-06 18:46:20,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 13411 states and 24484 transitions. [2021-01-06 18:46:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:46:20,531 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:20,532 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] [2021-01-06 18:46:20,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:46:20,532 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:20,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:20,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1674300980, now seen corresponding path program 1 times [2021-01-06 18:46:20,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:20,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358296269] [2021-01-06 18:46:20,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:20,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358296269] [2021-01-06 18:46:20,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:20,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:20,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221832076] [2021-01-06 18:46:20,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:20,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:20,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:20,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:20,605 INFO L87 Difference]: Start difference. First operand 13411 states and 24484 transitions. Second operand 3 states. [2021-01-06 18:46:21,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:21,899 INFO L93 Difference]: Finished difference Result 39428 states and 72049 transitions. [2021-01-06 18:46:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:21,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:46:21,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:21,994 INFO L225 Difference]: With dead ends: 39428 [2021-01-06 18:46:21,994 INFO L226 Difference]: Without dead ends: 26202 [2021-01-06 18:46:22,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:22,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26202 states. [2021-01-06 18:46:23,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26202 to 25541. [2021-01-06 18:46:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25541 states. [2021-01-06 18:46:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25541 states to 25541 states and 46693 transitions. [2021-01-06 18:46:23,327 INFO L78 Accepts]: Start accepts. Automaton has 25541 states and 46693 transitions. Word has length 76 [2021-01-06 18:46:23,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:23,327 INFO L481 AbstractCegarLoop]: Abstraction has 25541 states and 46693 transitions. [2021-01-06 18:46:23,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand 25541 states and 46693 transitions. [2021-01-06 18:46:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:46:23,341 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:23,341 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] [2021-01-06 18:46:23,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:46:23,342 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:23,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:23,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1609033484, now seen corresponding path program 1 times [2021-01-06 18:46:23,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:23,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095762843] [2021-01-06 18:46:23,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:23,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095762843] [2021-01-06 18:46:23,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:23,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:23,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559698809] [2021-01-06 18:46:23,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:23,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:23,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:23,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:23,410 INFO L87 Difference]: Start difference. First operand 25541 states and 46693 transitions. Second operand 3 states. [2021-01-06 18:46:24,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:24,833 INFO L93 Difference]: Finished difference Result 70457 states and 128412 transitions. [2021-01-06 18:46:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:24,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:46:24,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:24,979 INFO L225 Difference]: With dead ends: 70457 [2021-01-06 18:46:24,979 INFO L226 Difference]: Without dead ends: 45148 [2021-01-06 18:46:25,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:25,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45148 states. [2021-01-06 18:46:27,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45148 to 44487. [2021-01-06 18:46:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44487 states. [2021-01-06 18:46:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44487 states to 44487 states and 80870 transitions. [2021-01-06 18:46:27,238 INFO L78 Accepts]: Start accepts. Automaton has 44487 states and 80870 transitions. Word has length 77 [2021-01-06 18:46:27,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:27,238 INFO L481 AbstractCegarLoop]: Abstraction has 44487 states and 80870 transitions. [2021-01-06 18:46:27,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:27,239 INFO L276 IsEmpty]: Start isEmpty. Operand 44487 states and 80870 transitions. [2021-01-06 18:46:27,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:46:27,251 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:27,251 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] [2021-01-06 18:46:27,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:46:27,252 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:27,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:27,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1012751493, now seen corresponding path program 1 times [2021-01-06 18:46:27,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:27,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263623955] [2021-01-06 18:46:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:46:27,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263623955] [2021-01-06 18:46:27,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:27,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:27,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021013139] [2021-01-06 18:46:27,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:27,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:27,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:27,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:27,336 INFO L87 Difference]: Start difference. First operand 44487 states and 80870 transitions. Second operand 5 states. [2021-01-06 18:46:30,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:30,463 INFO L93 Difference]: Finished difference Result 131070 states and 238245 transitions. [2021-01-06 18:46:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:46:30,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2021-01-06 18:46:30,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:30,679 INFO L225 Difference]: With dead ends: 131070 [2021-01-06 18:46:30,679 INFO L226 Difference]: Without dead ends: 86883 [2021-01-06 18:46:30,750 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 [2021-01-06 18:46:30,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86883 states. [2021-01-06 18:46:33,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86883 to 44487. [2021-01-06 18:46:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44487 states. [2021-01-06 18:46:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44487 states to 44487 states and 80612 transitions. [2021-01-06 18:46:33,365 INFO L78 Accepts]: Start accepts. Automaton has 44487 states and 80612 transitions. Word has length 78 [2021-01-06 18:46:33,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:33,366 INFO L481 AbstractCegarLoop]: Abstraction has 44487 states and 80612 transitions. [2021-01-06 18:46:33,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 44487 states and 80612 transitions. [2021-01-06 18:46:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:46:33,378 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:33,379 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:33,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:46:33,379 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:33,380 INFO L82 PathProgramCache]: Analyzing trace with hash 579058215, now seen corresponding path program 2 times [2021-01-06 18:46:33,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:33,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681962927] [2021-01-06 18:46:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:33,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681962927] [2021-01-06 18:46:33,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:33,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:33,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443479984] [2021-01-06 18:46:33,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:33,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:33,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:33,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:33,449 INFO L87 Difference]: Start difference. First operand 44487 states and 80612 transitions. Second operand 3 states. [2021-01-06 18:46:35,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:35,341 INFO L93 Difference]: Finished difference Result 89329 states and 161814 transitions. [2021-01-06 18:46:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:35,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:46:35,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:35,419 INFO L225 Difference]: With dead ends: 89329 [2021-01-06 18:46:35,420 INFO L226 Difference]: Without dead ends: 45148 [2021-01-06 18:46:35,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:35,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45148 states. [2021-01-06 18:46:37,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45148 to 44487. [2021-01-06 18:46:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44487 states. [2021-01-06 18:46:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44487 states to 44487 states and 80484 transitions. [2021-01-06 18:46:37,536 INFO L78 Accepts]: Start accepts. Automaton has 44487 states and 80484 transitions. Word has length 78 [2021-01-06 18:46:37,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:37,536 INFO L481 AbstractCegarLoop]: Abstraction has 44487 states and 80484 transitions. [2021-01-06 18:46:37,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 44487 states and 80484 transitions. [2021-01-06 18:46:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:46:37,549 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:37,549 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] [2021-01-06 18:46:37,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:46:37,550 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:37,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:37,550 INFO L82 PathProgramCache]: Analyzing trace with hash -460514662, now seen corresponding path program 1 times [2021-01-06 18:46:37,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:37,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075263878] [2021-01-06 18:46:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:37,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075263878] [2021-01-06 18:46:37,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:37,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:37,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629696043] [2021-01-06 18:46:37,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:37,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:37,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:37,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:37,614 INFO L87 Difference]: Start difference. First operand 44487 states and 80484 transitions. Second operand 3 states. [2021-01-06 18:46:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:40,518 INFO L93 Difference]: Finished difference Result 124955 states and 225888 transitions. [2021-01-06 18:46:40,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:40,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:46:40,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:40,662 INFO L225 Difference]: With dead ends: 124955 [2021-01-06 18:46:40,662 INFO L226 Difference]: Without dead ends: 80734 [2021-01-06 18:46:40,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:40,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80734 states. [2021-01-06 18:46:44,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80734 to 80073. [2021-01-06 18:46:44,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80073 states. [2021-01-06 18:46:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80073 states to 80073 states and 144485 transitions. [2021-01-06 18:46:44,202 INFO L78 Accepts]: Start accepts. Automaton has 80073 states and 144485 transitions. Word has length 78 [2021-01-06 18:46:44,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:44,202 INFO L481 AbstractCegarLoop]: Abstraction has 80073 states and 144485 transitions. [2021-01-06 18:46:44,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 80073 states and 144485 transitions. [2021-01-06 18:46:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:46:44,217 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:44,217 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] [2021-01-06 18:46:44,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:46:44,218 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:44,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1223913823, now seen corresponding path program 1 times [2021-01-06 18:46:44,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:44,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162581119] [2021-01-06 18:46:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:44,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162581119] [2021-01-06 18:46:44,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:44,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:44,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242329983] [2021-01-06 18:46:44,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:46:44,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:44,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:46:44,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:46:44,341 INFO L87 Difference]: Start difference. First operand 80073 states and 144485 transitions. Second operand 4 states. [2021-01-06 18:46:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:47,158 INFO L93 Difference]: Finished difference Result 80610 states and 145382 transitions. [2021-01-06 18:46:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:46:47,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2021-01-06 18:46:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:47,278 INFO L225 Difference]: With dead ends: 80610 [2021-01-06 18:46:47,278 INFO L226 Difference]: Without dead ends: 80073 [2021-01-06 18:46:47,294 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 [2021-01-06 18:46:47,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80073 states. [2021-01-06 18:46:50,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80073 to 80073. [2021-01-06 18:46:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80073 states. [2021-01-06 18:46:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80073 states to 80073 states and 144479 transitions. [2021-01-06 18:46:50,702 INFO L78 Accepts]: Start accepts. Automaton has 80073 states and 144479 transitions. Word has length 79 [2021-01-06 18:46:50,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:50,703 INFO L481 AbstractCegarLoop]: Abstraction has 80073 states and 144479 transitions. [2021-01-06 18:46:50,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:46:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 80073 states and 144479 transitions. [2021-01-06 18:46:50,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:46:50,714 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:50,715 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] [2021-01-06 18:46:50,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:46:50,715 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:50,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:50,716 INFO L82 PathProgramCache]: Analyzing trace with hash -96058831, now seen corresponding path program 1 times [2021-01-06 18:46:50,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:50,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120869673] [2021-01-06 18:46:50,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:50,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120869673] [2021-01-06 18:46:50,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:50,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:50,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798984152] [2021-01-06 18:46:50,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:50,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:50,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:50,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:50,806 INFO L87 Difference]: Start difference. First operand 80073 states and 144479 transitions. Second operand 5 states. [2021-01-06 18:46:54,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:54,402 INFO L93 Difference]: Finished difference Result 83299 states and 149851 transitions. [2021-01-06 18:46:54,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:46:54,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 18:46:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:54,541 INFO L225 Difference]: With dead ends: 83299 [2021-01-06 18:46:54,541 INFO L226 Difference]: Without dead ends: 82764 [2021-01-06 18:46:54,559 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 [2021-01-06 18:46:54,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82764 states. [2021-01-06 18:46:57,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82764 to 80580. [2021-01-06 18:46:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80580 states. [2021-01-06 18:46:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80580 states to 80580 states and 145320 transitions. [2021-01-06 18:46:57,992 INFO L78 Accepts]: Start accepts. Automaton has 80580 states and 145320 transitions. Word has length 82 [2021-01-06 18:46:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:57,993 INFO L481 AbstractCegarLoop]: Abstraction has 80580 states and 145320 transitions. [2021-01-06 18:46:57,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 80580 states and 145320 transitions. [2021-01-06 18:46:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:46:58,005 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:58,005 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] [2021-01-06 18:46:58,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:46:58,006 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:58,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:58,006 INFO L82 PathProgramCache]: Analyzing trace with hash -784250886, now seen corresponding path program 1 times [2021-01-06 18:46:58,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:58,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4345000] [2021-01-06 18:46:58,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:58,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4345000] [2021-01-06 18:46:58,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:58,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:46:58,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722409201] [2021-01-06 18:46:58,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:46:58,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:58,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:46:58,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:46:58,361 INFO L87 Difference]: Start difference. First operand 80580 states and 145320 transitions. Second operand 10 states. [2021-01-06 18:47:01,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:01,683 INFO L93 Difference]: Finished difference Result 82186 states and 147991 transitions. [2021-01-06 18:47:01,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 18:47:01,684 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2021-01-06 18:47:01,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:01,813 INFO L225 Difference]: With dead ends: 82186 [2021-01-06 18:47:01,813 INFO L226 Difference]: Without dead ends: 81150 [2021-01-06 18:47:01,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2021-01-06 18:47:01,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81150 states. [2021-01-06 18:47:05,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81150 to 80520. [2021-01-06 18:47:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80520 states. [2021-01-06 18:47:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80520 states to 80520 states and 145209 transitions. [2021-01-06 18:47:05,354 INFO L78 Accepts]: Start accepts. Automaton has 80520 states and 145209 transitions. Word has length 83 [2021-01-06 18:47:05,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:05,354 INFO L481 AbstractCegarLoop]: Abstraction has 80520 states and 145209 transitions. [2021-01-06 18:47:05,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:47:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 80520 states and 145209 transitions. [2021-01-06 18:47:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 18:47:05,380 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:05,380 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, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:05,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:47:05,380 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:05,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:05,381 INFO L82 PathProgramCache]: Analyzing trace with hash 356411073, now seen corresponding path program 1 times [2021-01-06 18:47:05,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:05,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723255452] [2021-01-06 18:47:05,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:05,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723255452] [2021-01-06 18:47:05,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:05,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:47:05,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888214316] [2021-01-06 18:47:05,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:05,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:05,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:05,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:05,471 INFO L87 Difference]: Start difference. First operand 80520 states and 145209 transitions. Second operand 5 states. [2021-01-06 18:47:09,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:09,278 INFO L93 Difference]: Finished difference Result 85653 states and 153598 transitions. [2021-01-06 18:47:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:47:09,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2021-01-06 18:47:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:09,433 INFO L225 Difference]: With dead ends: 85653 [2021-01-06 18:47:09,433 INFO L226 Difference]: Without dead ends: 84621 [2021-01-06 18:47:09,457 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 [2021-01-06 18:47:09,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84621 states. [2021-01-06 18:47:13,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84621 to 81483. [2021-01-06 18:47:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81483 states. [2021-01-06 18:47:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81483 states to 81483 states and 146789 transitions. [2021-01-06 18:47:13,181 INFO L78 Accepts]: Start accepts. Automaton has 81483 states and 146789 transitions. Word has length 95 [2021-01-06 18:47:13,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:13,181 INFO L481 AbstractCegarLoop]: Abstraction has 81483 states and 146789 transitions. [2021-01-06 18:47:13,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 81483 states and 146789 transitions. [2021-01-06 18:47:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 18:47:13,201 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:13,202 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, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:13,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:47:13,202 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:13,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:13,202 INFO L82 PathProgramCache]: Analyzing trace with hash 282323109, now seen corresponding path program 1 times [2021-01-06 18:47:13,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:13,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574483322] [2021-01-06 18:47:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:13,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574483322] [2021-01-06 18:47:13,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:13,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:47:13,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881511946] [2021-01-06 18:47:13,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:47:13,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:13,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:47:13,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:47:13,350 INFO L87 Difference]: Start difference. First operand 81483 states and 146789 transitions. Second operand 10 states. [2021-01-06 18:47:17,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:17,076 INFO L93 Difference]: Finished difference Result 83884 states and 150729 transitions. [2021-01-06 18:47:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 18:47:17,076 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2021-01-06 18:47:17,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:17,225 INFO L225 Difference]: With dead ends: 83884 [2021-01-06 18:47:17,225 INFO L226 Difference]: Without dead ends: 81938 [2021-01-06 18:47:17,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2021-01-06 18:47:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81938 states. [2021-01-06 18:47:20,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81938 to 81049. [2021-01-06 18:47:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81049 states. [2021-01-06 18:47:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81049 states to 81049 states and 146056 transitions. [2021-01-06 18:47:20,921 INFO L78 Accepts]: Start accepts. Automaton has 81049 states and 146056 transitions. Word has length 96 [2021-01-06 18:47:20,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:20,921 INFO L481 AbstractCegarLoop]: Abstraction has 81049 states and 146056 transitions. [2021-01-06 18:47:20,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:47:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 81049 states and 146056 transitions. [2021-01-06 18:47:20,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 18:47:20,945 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:20,946 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:20,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:47:20,946 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:20,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:20,947 INFO L82 PathProgramCache]: Analyzing trace with hash 441869868, now seen corresponding path program 1 times [2021-01-06 18:47:20,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:20,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476911467] [2021-01-06 18:47:20,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:21,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476911467] [2021-01-06 18:47:21,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:21,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:47:21,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34587585] [2021-01-06 18:47:21,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:47:21,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:21,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:47:21,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:47:21,098 INFO L87 Difference]: Start difference. First operand 81049 states and 146056 transitions. Second operand 10 states. [2021-01-06 18:47:28,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:28,050 INFO L93 Difference]: Finished difference Result 95234 states and 169020 transitions. [2021-01-06 18:47:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-06 18:47:28,050 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2021-01-06 18:47:28,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:28,193 INFO L225 Difference]: With dead ends: 95234 [2021-01-06 18:47:28,194 INFO L226 Difference]: Without dead ends: 94011 [2021-01-06 18:47:28,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2021-01-06 18:47:28,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94011 states. [2021-01-06 18:47:32,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94011 to 82503. [2021-01-06 18:47:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82503 states. [2021-01-06 18:47:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82503 states to 82503 states and 148390 transitions. [2021-01-06 18:47:32,221 INFO L78 Accepts]: Start accepts. Automaton has 82503 states and 148390 transitions. Word has length 98 [2021-01-06 18:47:32,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:32,221 INFO L481 AbstractCegarLoop]: Abstraction has 82503 states and 148390 transitions. [2021-01-06 18:47:32,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:47:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 82503 states and 148390 transitions. [2021-01-06 18:47:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 18:47:32,248 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:32,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:32,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:47:32,248 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:32,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:32,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1688120207, now seen corresponding path program 1 times [2021-01-06 18:47:32,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:32,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717242882] [2021-01-06 18:47:32,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:32,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717242882] [2021-01-06 18:47:32,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:32,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:47:32,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738474796] [2021-01-06 18:47:32,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:47:32,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:32,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:47:32,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:47:32,382 INFO L87 Difference]: Start difference. First operand 82503 states and 148390 transitions. Second operand 9 states. [2021-01-06 18:47:39,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:39,191 INFO L93 Difference]: Finished difference Result 97562 states and 172728 transitions. [2021-01-06 18:47:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 18:47:39,191 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2021-01-06 18:47:39,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:39,354 INFO L225 Difference]: With dead ends: 97562 [2021-01-06 18:47:39,354 INFO L226 Difference]: Without dead ends: 95362 [2021-01-06 18:47:39,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=336, Invalid=854, Unknown=0, NotChecked=0, Total=1190 [2021-01-06 18:47:39,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95362 states. [2021-01-06 18:47:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95362 to 84160. [2021-01-06 18:47:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84160 states. [2021-01-06 18:47:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84160 states to 84160 states and 151051 transitions. [2021-01-06 18:47:43,646 INFO L78 Accepts]: Start accepts. Automaton has 84160 states and 151051 transitions. Word has length 99 [2021-01-06 18:47:43,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:43,646 INFO L481 AbstractCegarLoop]: Abstraction has 84160 states and 151051 transitions. [2021-01-06 18:47:43,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:47:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 84160 states and 151051 transitions. [2021-01-06 18:47:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 18:47:43,675 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:43,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:43,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:47:43,675 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:43,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:43,676 INFO L82 PathProgramCache]: Analyzing trace with hash 373756059, now seen corresponding path program 1 times [2021-01-06 18:47:43,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:43,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169587121] [2021-01-06 18:47:43,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:44,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169587121] [2021-01-06 18:47:44,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093138143] [2021-01-06 18:47:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:47:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:44,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:47:44,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:47:44,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:44,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:47:44,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2021-01-06 18:47:44,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096345920] [2021-01-06 18:47:44,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-01-06 18:47:44,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:44,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-01-06 18:47:44,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-01-06 18:47:44,649 INFO L87 Difference]: Start difference. First operand 84160 states and 151051 transitions. Second operand 15 states. [2021-01-06 18:48:47,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:47,003 INFO L93 Difference]: Finished difference Result 513210 states and 869112 transitions. [2021-01-06 18:48:47,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2021-01-06 18:48:47,003 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 99 [2021-01-06 18:48:47,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:49,247 INFO L225 Difference]: With dead ends: 513210 [2021-01-06 18:48:49,247 INFO L226 Difference]: Without dead ends: 508462 [2021-01-06 18:48:49,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14080 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=4416, Invalid=29256, Unknown=0, NotChecked=0, Total=33672 [2021-01-06 18:48:50,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508462 states.