/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_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:03:44,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:03:44,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:03:44,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:03:44,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:03:44,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:03:44,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:03:44,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:03:44,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:03:44,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:03:44,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:03:44,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:03:44,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:03:44,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:03:44,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:03:44,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:03:44,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:03:44,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:03:44,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:03:44,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:03:44,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:03:44,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:03:44,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:03:44,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:03:44,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:03:44,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:03:44,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:03:44,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:03:44,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:03:44,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:03:44,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:03:44,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:03:44,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:03:44,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:03:44,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:03:44,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:03:44,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:03:44,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:03:44,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:03:44,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:03:44,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:03:44,845 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 19:03:44,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:03:44,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:03:44,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:03:44,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:03:44,899 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:03:44,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:03:44,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:03:44,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:03:44,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:03:44,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:03:44,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:03:44,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:03:44,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:03:44,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:03:44,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:03:44,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:03:44,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:03:44,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:03:44,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:03:44,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:03:44,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:03:44,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:03:44,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:03:44,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:03:44,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:03:44,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:03:45,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:03:45,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:03:45,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:03:45,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:03:45,370 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:03:45,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2021-01-06 19:03:45,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f6ef3d1b/e18bb252a0104f399af5a657d10c1a14/FLAG3a9da022d [2021-01-06 19:03:46,217 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:03:46,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2021-01-06 19:03:46,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f6ef3d1b/e18bb252a0104f399af5a657d10c1a14/FLAG3a9da022d [2021-01-06 19:03:46,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f6ef3d1b/e18bb252a0104f399af5a657d10c1a14 [2021-01-06 19:03:46,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:03:46,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:03:46,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:03:46,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:03:46,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:03:46,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:03:46" (1/1) ... [2021-01-06 19:03:46,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b63c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:46, skipping insertion in model container [2021-01-06 19:03:46,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:03:46" (1/1) ... [2021-01-06 19:03:46,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:03:46,521 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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,] [2021-01-06 19:03:46,924 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_spec8_product21.cil.c[15132,15145] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~16,] 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~17,] 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~10,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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_tmp4~3,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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[~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[~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[~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[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~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[~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[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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[~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[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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_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[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~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[~__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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:03:47,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:03:47,290 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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,] [2021-01-06 19:03:47,341 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_spec8_product21.cil.c[15132,15145] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~16,] 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~17,] 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~10,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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_tmp4~3,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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[~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[~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[~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[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~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[~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[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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[~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[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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_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[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~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[~__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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:03:47,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:03:47,519 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:03:47,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47 WrapperNode [2021-01-06 19:03:47,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:03:47,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:03:47,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:03:47,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:03:47,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:03:47,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:03:47,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:03:47,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:03:47,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:03:47,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:03:47,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:03:48,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:03:48,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (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 19:03:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 19:03:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:03:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:03:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:03:48,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:03:51,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:03:51,417 INFO L299 CfgBuilder]: Removed 649 assume(true) statements. [2021-01-06 19:03:51,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:03:51 BoogieIcfgContainer [2021-01-06 19:03:51,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:03:51,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:03:51,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:03:51,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:03:51,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:03:46" (1/3) ... [2021-01-06 19:03:51,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b46ea09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:03:51, skipping insertion in model container [2021-01-06 19:03:51,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47" (2/3) ... [2021-01-06 19:03:51,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b46ea09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:03:51, skipping insertion in model container [2021-01-06 19:03:51,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:03:51" (3/3) ... [2021-01-06 19:03:51,437 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2021-01-06 19:03:51,445 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:03:51,451 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 19:03:51,473 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 19:03:51,526 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:03:51,526 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:03:51,527 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:03:51,527 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:03:51,527 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:03:51,527 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:03:51,527 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:03:51,527 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:03:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states. [2021-01-06 19:03:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 19:03:51,591 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:51,592 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] [2021-01-06 19:03:51,593 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 19:03:51,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:51,600 INFO L82 PathProgramCache]: Analyzing trace with hash -517743260, now seen corresponding path program 1 times [2021-01-06 19:03:51,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:51,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237419962] [2021-01-06 19:03:51,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:52,117 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 19:03:52,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237419962] [2021-01-06 19:03:52,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:52,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:52,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568443374] [2021-01-06 19:03:52,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:52,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:52,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:52,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:52,144 INFO L87 Difference]: Start difference. First operand 962 states. Second operand 3 states. [2021-01-06 19:03:52,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:52,356 INFO L93 Difference]: Finished difference Result 2851 states and 4910 transitions. [2021-01-06 19:03:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:52,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 19:03:52,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:52,406 INFO L225 Difference]: With dead ends: 2851 [2021-01-06 19:03:52,407 INFO L226 Difference]: Without dead ends: 1648 [2021-01-06 19:03:52,420 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 19:03:52,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2021-01-06 19:03:52,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 833. [2021-01-06 19:03:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2021-01-06 19:03:52,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1433 transitions. [2021-01-06 19:03:52,546 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1433 transitions. Word has length 44 [2021-01-06 19:03:52,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:52,546 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1433 transitions. [2021-01-06 19:03:52,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1433 transitions. [2021-01-06 19:03:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 19:03:52,551 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:52,551 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] [2021-01-06 19:03:52,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:03:52,552 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 19:03:52,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:52,553 INFO L82 PathProgramCache]: Analyzing trace with hash -502461118, now seen corresponding path program 1 times [2021-01-06 19:03:52,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:52,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511991652] [2021-01-06 19:03:52,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:52,780 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 19:03:52,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511991652] [2021-01-06 19:03:52,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:52,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:03:52,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894728595] [2021-01-06 19:03:52,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:52,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:52,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:52,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:52,786 INFO L87 Difference]: Start difference. First operand 833 states and 1433 transitions. Second operand 5 states. [2021-01-06 19:03:53,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:53,018 INFO L93 Difference]: Finished difference Result 2448 states and 4215 transitions. [2021-01-06 19:03:53,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:03:53,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 19:03:53,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:53,034 INFO L225 Difference]: With dead ends: 2448 [2021-01-06 19:03:53,035 INFO L226 Difference]: Without dead ends: 1634 [2021-01-06 19:03:53,038 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 19:03:53,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2021-01-06 19:03:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 833. [2021-01-06 19:03:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2021-01-06 19:03:53,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1432 transitions. [2021-01-06 19:03:53,102 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1432 transitions. Word has length 46 [2021-01-06 19:03:53,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:53,103 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1432 transitions. [2021-01-06 19:03:53,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1432 transitions. [2021-01-06 19:03:53,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 19:03:53,109 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:53,109 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] [2021-01-06 19:03:53,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:03:53,110 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 19:03:53,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:53,112 INFO L82 PathProgramCache]: Analyzing trace with hash -393336369, now seen corresponding path program 1 times [2021-01-06 19:03:53,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:53,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512305810] [2021-01-06 19:03:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:53,283 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 19:03:53,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512305810] [2021-01-06 19:03:53,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:53,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:53,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210400441] [2021-01-06 19:03:53,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:53,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:53,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:53,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:53,292 INFO L87 Difference]: Start difference. First operand 833 states and 1432 transitions. Second operand 3 states. [2021-01-06 19:03:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:53,360 INFO L93 Difference]: Finished difference Result 1648 states and 2838 transitions. [2021-01-06 19:03:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:53,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 19:03:53,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:53,367 INFO L225 Difference]: With dead ends: 1648 [2021-01-06 19:03:53,367 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 19:03:53,370 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 19:03:53,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 19:03:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 833. [2021-01-06 19:03:53,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2021-01-06 19:03:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1431 transitions. [2021-01-06 19:03:53,420 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1431 transitions. Word has length 47 [2021-01-06 19:03:53,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:53,427 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1431 transitions. [2021-01-06 19:03:53,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1431 transitions. [2021-01-06 19:03:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 19:03:53,429 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:53,430 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] [2021-01-06 19:03:53,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:03:53,430 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 19:03:53,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:53,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1559988203, now seen corresponding path program 1 times [2021-01-06 19:03:53,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:53,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490659684] [2021-01-06 19:03:53,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:53,546 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 19:03:53,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490659684] [2021-01-06 19:03:53,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:53,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:53,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141839638] [2021-01-06 19:03:53,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:53,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:53,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:53,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:53,550 INFO L87 Difference]: Start difference. First operand 833 states and 1431 transitions. Second operand 3 states. [2021-01-06 19:03:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:53,617 INFO L93 Difference]: Finished difference Result 1658 states and 2851 transitions. [2021-01-06 19:03:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:53,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 19:03:53,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:53,622 INFO L225 Difference]: With dead ends: 1658 [2021-01-06 19:03:53,623 INFO L226 Difference]: Without dead ends: 833 [2021-01-06 19:03:53,625 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 19:03:53,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-01-06 19:03:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 833. [2021-01-06 19:03:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2021-01-06 19:03:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1429 transitions. [2021-01-06 19:03:53,667 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1429 transitions. Word has length 48 [2021-01-06 19:03:53,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:53,667 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1429 transitions. [2021-01-06 19:03:53,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1429 transitions. [2021-01-06 19:03:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 19:03:53,670 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:53,670 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] [2021-01-06 19:03:53,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:03:53,670 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 19:03:53,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:53,671 INFO L82 PathProgramCache]: Analyzing trace with hash -532074006, now seen corresponding path program 1 times [2021-01-06 19:03:53,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:53,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166007611] [2021-01-06 19:03:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:53,823 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 19:03:53,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166007611] [2021-01-06 19:03:53,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:53,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:03:53,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379681684] [2021-01-06 19:03:53,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:53,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:53,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:53,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:53,827 INFO L87 Difference]: Start difference. First operand 833 states and 1429 transitions. Second operand 5 states. [2021-01-06 19:03:54,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:54,053 INFO L93 Difference]: Finished difference Result 2438 states and 4195 transitions. [2021-01-06 19:03:54,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:03:54,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 19:03:54,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:54,066 INFO L225 Difference]: With dead ends: 2438 [2021-01-06 19:03:54,067 INFO L226 Difference]: Without dead ends: 1632 [2021-01-06 19:03:54,069 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 19:03:54,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2021-01-06 19:03:54,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 833. [2021-01-06 19:03:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2021-01-06 19:03:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1428 transitions. [2021-01-06 19:03:54,125 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1428 transitions. Word has length 49 [2021-01-06 19:03:54,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:54,125 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1428 transitions. [2021-01-06 19:03:54,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1428 transitions. [2021-01-06 19:03:54,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 19:03:54,128 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:54,128 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] [2021-01-06 19:03:54,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:03:54,129 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 19:03:54,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:54,129 INFO L82 PathProgramCache]: Analyzing trace with hash -319226547, now seen corresponding path program 1 times [2021-01-06 19:03:54,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:54,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553162681] [2021-01-06 19:03:54,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:54,256 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 19:03:54,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553162681] [2021-01-06 19:03:54,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:54,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:03:54,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141866834] [2021-01-06 19:03:54,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:54,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:54,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:54,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:54,261 INFO L87 Difference]: Start difference. First operand 833 states and 1428 transitions. Second operand 5 states. [2021-01-06 19:03:54,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:54,491 INFO L93 Difference]: Finished difference Result 2443 states and 4200 transitions. [2021-01-06 19:03:54,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:03:54,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 19:03:54,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:54,501 INFO L225 Difference]: With dead ends: 2443 [2021-01-06 19:03:54,501 INFO L226 Difference]: Without dead ends: 1637 [2021-01-06 19:03:54,506 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 19:03:54,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2021-01-06 19:03:54,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 833. [2021-01-06 19:03:54,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2021-01-06 19:03:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1427 transitions. [2021-01-06 19:03:54,572 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1427 transitions. Word has length 50 [2021-01-06 19:03:54,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:54,573 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1427 transitions. [2021-01-06 19:03:54,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1427 transitions. [2021-01-06 19:03:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:03:54,574 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:54,574 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 19:03:54,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:03:54,576 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 19:03:54,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:54,580 INFO L82 PathProgramCache]: Analyzing trace with hash 2040658021, now seen corresponding path program 1 times [2021-01-06 19:03:54,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:54,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791163053] [2021-01-06 19:03:54,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:54,704 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 19:03:54,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791163053] [2021-01-06 19:03:54,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:54,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:54,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354617942] [2021-01-06 19:03:54,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:54,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:54,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:54,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:54,707 INFO L87 Difference]: Start difference. First operand 833 states and 1427 transitions. Second operand 3 states. [2021-01-06 19:03:54,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:54,793 INFO L93 Difference]: Finished difference Result 1385 states and 2348 transitions. [2021-01-06 19:03:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:54,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 19:03:54,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:54,799 INFO L225 Difference]: With dead ends: 1385 [2021-01-06 19:03:54,799 INFO L226 Difference]: Without dead ends: 836 [2021-01-06 19:03:54,802 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 19:03:54,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-01-06 19:03:54,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 835. [2021-01-06 19:03:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2021-01-06 19:03:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1429 transitions. [2021-01-06 19:03:54,854 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1429 transitions. Word has length 51 [2021-01-06 19:03:54,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:54,854 INFO L481 AbstractCegarLoop]: Abstraction has 835 states and 1429 transitions. [2021-01-06 19:03:54,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1429 transitions. [2021-01-06 19:03:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 19:03:54,856 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:54,856 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] [2021-01-06 19:03:54,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:03:54,857 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 19:03:54,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:54,857 INFO L82 PathProgramCache]: Analyzing trace with hash -302802333, now seen corresponding path program 1 times [2021-01-06 19:03:54,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:54,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919950297] [2021-01-06 19:03:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:54,951 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 19:03:54,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919950297] [2021-01-06 19:03:54,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:54,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:54,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375585754] [2021-01-06 19:03:54,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:54,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:54,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:54,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:54,955 INFO L87 Difference]: Start difference. First operand 835 states and 1429 transitions. Second operand 3 states. [2021-01-06 19:03:55,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:55,063 INFO L93 Difference]: Finished difference Result 2391 states and 4111 transitions. [2021-01-06 19:03:55,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:55,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 19:03:55,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:55,074 INFO L225 Difference]: With dead ends: 2391 [2021-01-06 19:03:55,074 INFO L226 Difference]: Without dead ends: 1587 [2021-01-06 19:03:55,077 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 19:03:55,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2021-01-06 19:03:55,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1038. [2021-01-06 19:03:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2021-01-06 19:03:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1804 transitions. [2021-01-06 19:03:55,159 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1804 transitions. Word has length 57 [2021-01-06 19:03:55,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:55,161 INFO L481 AbstractCegarLoop]: Abstraction has 1038 states and 1804 transitions. [2021-01-06 19:03:55,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1804 transitions. [2021-01-06 19:03:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:03:55,163 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:55,163 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] [2021-01-06 19:03:55,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:03:55,164 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 19:03:55,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:55,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1288320638, now seen corresponding path program 1 times [2021-01-06 19:03:55,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:55,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956257483] [2021-01-06 19:03:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:55,267 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 19:03:55,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956257483] [2021-01-06 19:03:55,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629375118] [2021-01-06 19:03:55,273 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 19:03:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:55,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:03:55,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:03:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:03:55,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:03:55,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 19:03:55,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555608105] [2021-01-06 19:03:55,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:55,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:55,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:55,716 INFO L87 Difference]: Start difference. First operand 1038 states and 1804 transitions. Second operand 3 states. [2021-01-06 19:03:55,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:55,811 INFO L93 Difference]: Finished difference Result 1500 states and 2570 transitions. [2021-01-06 19:03:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:55,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:03:55,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:55,818 INFO L225 Difference]: With dead ends: 1500 [2021-01-06 19:03:55,818 INFO L226 Difference]: Without dead ends: 1040 [2021-01-06 19:03:55,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:55,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2021-01-06 19:03:55,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1026. [2021-01-06 19:03:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2021-01-06 19:03:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1786 transitions. [2021-01-06 19:03:55,887 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1786 transitions. Word has length 58 [2021-01-06 19:03:55,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:55,888 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 1786 transitions. [2021-01-06 19:03:55,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1786 transitions. [2021-01-06 19:03:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 19:03:55,891 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:55,891 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:56,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 19:03:56,106 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 19:03:56,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:56,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1505942636, now seen corresponding path program 1 times [2021-01-06 19:03:56,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:56,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102454620] [2021-01-06 19:03:56,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:56,190 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 19:03:56,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102454620] [2021-01-06 19:03:56,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910265741] [2021-01-06 19:03:56,191 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 19:03:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:56,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:03:56,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:03:56,655 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 19:03:56,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:03:56,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 19:03:56,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899418392] [2021-01-06 19:03:56,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:56,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:56,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:56,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:56,658 INFO L87 Difference]: Start difference. First operand 1026 states and 1786 transitions. Second operand 5 states. [2021-01-06 19:03:56,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:56,833 INFO L93 Difference]: Finished difference Result 2359 states and 4060 transitions. [2021-01-06 19:03:56,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:03:56,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2021-01-06 19:03:56,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:56,844 INFO L225 Difference]: With dead ends: 2359 [2021-01-06 19:03:56,844 INFO L226 Difference]: Without dead ends: 1822 [2021-01-06 19:03:56,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 19:03:56,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2021-01-06 19:03:56,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1283. [2021-01-06 19:03:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2021-01-06 19:03:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 2258 transitions. [2021-01-06 19:03:56,951 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 2258 transitions. Word has length 92 [2021-01-06 19:03:56,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:56,951 INFO L481 AbstractCegarLoop]: Abstraction has 1283 states and 2258 transitions. [2021-01-06 19:03:56,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 2258 transitions. [2021-01-06 19:03:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 19:03:56,961 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:56,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:57,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 19:03:57,176 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 19:03:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:57,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1023992063, now seen corresponding path program 1 times [2021-01-06 19:03:57,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:57,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854157835] [2021-01-06 19:03:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:57,263 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 19:03:57,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854157835] [2021-01-06 19:03:57,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:57,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:57,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996787373] [2021-01-06 19:03:57,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:57,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:57,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:57,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:57,265 INFO L87 Difference]: Start difference. First operand 1283 states and 2258 transitions. Second operand 3 states. [2021-01-06 19:03:57,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:57,419 INFO L93 Difference]: Finished difference Result 3472 states and 6116 transitions. [2021-01-06 19:03:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:57,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-01-06 19:03:57,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:57,433 INFO L225 Difference]: With dead ends: 3472 [2021-01-06 19:03:57,433 INFO L226 Difference]: Without dead ends: 2278 [2021-01-06 19:03:57,436 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 19:03:57,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2021-01-06 19:03:57,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1741. [2021-01-06 19:03:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2021-01-06 19:03:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 3100 transitions. [2021-01-06 19:03:57,583 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 3100 transitions. Word has length 98 [2021-01-06 19:03:57,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:57,584 INFO L481 AbstractCegarLoop]: Abstraction has 1741 states and 3100 transitions. [2021-01-06 19:03:57,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:57,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 3100 transitions. [2021-01-06 19:03:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:03:57,589 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:57,589 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:57,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:03:57,589 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 19:03:57,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:57,590 INFO L82 PathProgramCache]: Analyzing trace with hash 946155503, now seen corresponding path program 2 times [2021-01-06 19:03:57,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:57,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575671891] [2021-01-06 19:03:57,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:57,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575671891] [2021-01-06 19:03:57,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:57,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:57,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469510340] [2021-01-06 19:03:57,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:57,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:57,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:57,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:57,673 INFO L87 Difference]: Start difference. First operand 1741 states and 3100 transitions. Second operand 3 states. [2021-01-06 19:03:57,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:57,828 INFO L93 Difference]: Finished difference Result 3729 states and 6586 transitions. [2021-01-06 19:03:57,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:57,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 19:03:57,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:57,841 INFO L225 Difference]: With dead ends: 3729 [2021-01-06 19:03:57,841 INFO L226 Difference]: Without dead ends: 2278 [2021-01-06 19:03:57,844 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 19:03:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2021-01-06 19:03:57,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1741. [2021-01-06 19:03:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2021-01-06 19:03:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 3098 transitions. [2021-01-06 19:03:57,962 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 3098 transitions. Word has length 99 [2021-01-06 19:03:57,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:57,962 INFO L481 AbstractCegarLoop]: Abstraction has 1741 states and 3098 transitions. [2021-01-06 19:03:57,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 3098 transitions. [2021-01-06 19:03:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:03:57,967 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:57,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:57,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:03:57,967 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 19:03:57,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:57,968 INFO L82 PathProgramCache]: Analyzing trace with hash 277650830, now seen corresponding path program 1 times [2021-01-06 19:03:57,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:57,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993112075] [2021-01-06 19:03:57,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:58,049 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 19:03:58,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993112075] [2021-01-06 19:03:58,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:58,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:58,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406621133] [2021-01-06 19:03:58,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:58,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:58,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:58,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:58,051 INFO L87 Difference]: Start difference. First operand 1741 states and 3098 transitions. Second operand 3 states. [2021-01-06 19:03:58,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:58,262 INFO L93 Difference]: Finished difference Result 4818 states and 8591 transitions. [2021-01-06 19:03:58,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:58,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 19:03:58,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:58,280 INFO L225 Difference]: With dead ends: 4818 [2021-01-06 19:03:58,280 INFO L226 Difference]: Without dead ends: 3174 [2021-01-06 19:03:58,284 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 19:03:58,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2021-01-06 19:03:58,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2637. [2021-01-06 19:03:58,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2637 states. [2021-01-06 19:03:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 4745 transitions. [2021-01-06 19:03:58,441 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 4745 transitions. Word has length 99 [2021-01-06 19:03:58,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:58,441 INFO L481 AbstractCegarLoop]: Abstraction has 2637 states and 4745 transitions. [2021-01-06 19:03:58,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 4745 transitions. [2021-01-06 19:03:58,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 19:03:58,451 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:58,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:58,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:03:58,451 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 19:03:58,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:58,452 INFO L82 PathProgramCache]: Analyzing trace with hash 947154753, now seen corresponding path program 1 times [2021-01-06 19:03:58,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:58,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915933515] [2021-01-06 19:03:58,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:58,533 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 19:03:58,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915933515] [2021-01-06 19:03:58,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:58,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:58,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118073563] [2021-01-06 19:03:58,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:58,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:58,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:58,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:58,539 INFO L87 Difference]: Start difference. First operand 2637 states and 4745 transitions. Second operand 3 states. [2021-01-06 19:03:58,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:58,827 INFO L93 Difference]: Finished difference Result 7242 states and 13051 transitions. [2021-01-06 19:03:58,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:58,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2021-01-06 19:03:58,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:58,883 INFO L225 Difference]: With dead ends: 7242 [2021-01-06 19:03:58,883 INFO L226 Difference]: Without dead ends: 4736 [2021-01-06 19:03:58,893 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 19:03:58,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2021-01-06 19:03:59,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4199. [2021-01-06 19:03:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4199 states. [2021-01-06 19:03:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 4199 states and 7614 transitions. [2021-01-06 19:03:59,256 INFO L78 Accepts]: Start accepts. Automaton has 4199 states and 7614 transitions. Word has length 100 [2021-01-06 19:03:59,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:59,257 INFO L481 AbstractCegarLoop]: Abstraction has 4199 states and 7614 transitions. [2021-01-06 19:03:59,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4199 states and 7614 transitions. [2021-01-06 19:03:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 19:03:59,270 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:59,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:59,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:03:59,270 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 19:03:59,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:59,271 INFO L82 PathProgramCache]: Analyzing trace with hash 886991327, now seen corresponding path program 1 times [2021-01-06 19:03:59,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:59,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983513849] [2021-01-06 19:03:59,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:59,383 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 19:03:59,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983513849] [2021-01-06 19:03:59,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:59,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:59,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988942990] [2021-01-06 19:03:59,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:59,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:59,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:59,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:59,387 INFO L87 Difference]: Start difference. First operand 4199 states and 7614 transitions. Second operand 3 states. [2021-01-06 19:03:59,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:59,755 INFO L93 Difference]: Finished difference Result 11644 states and 21141 transitions. [2021-01-06 19:03:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:59,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2021-01-06 19:03:59,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:59,778 INFO L225 Difference]: With dead ends: 11644 [2021-01-06 19:03:59,778 INFO L226 Difference]: Without dead ends: 7610 [2021-01-06 19:03:59,787 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 19:03:59,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7610 states. [2021-01-06 19:04:00,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7610 to 7073. [2021-01-06 19:04:00,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7073 states. [2021-01-06 19:04:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7073 states to 7073 states and 12887 transitions. [2021-01-06 19:04:00,236 INFO L78 Accepts]: Start accepts. Automaton has 7073 states and 12887 transitions. Word has length 101 [2021-01-06 19:04:00,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:00,237 INFO L481 AbstractCegarLoop]: Abstraction has 7073 states and 12887 transitions. [2021-01-06 19:04:00,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:04:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 7073 states and 12887 transitions. [2021-01-06 19:04:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:04:00,255 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:00,256 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, 1, 1, 1] [2021-01-06 19:04:00,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:04:00,256 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 19:04:00,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:00,257 INFO L82 PathProgramCache]: Analyzing trace with hash -2039220157, now seen corresponding path program 1 times [2021-01-06 19:04:00,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:00,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583708213] [2021-01-06 19:04:00,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:00,357 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 19:04:00,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583708213] [2021-01-06 19:04:00,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:00,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:04:00,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727678878] [2021-01-06 19:04:00,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:04:00,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:00,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:04:00,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:04:00,359 INFO L87 Difference]: Start difference. First operand 7073 states and 12887 transitions. Second operand 5 states. [2021-01-06 19:04:01,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:01,244 INFO L93 Difference]: Finished difference Result 20352 states and 37114 transitions. [2021-01-06 19:04:01,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:04:01,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2021-01-06 19:04:01,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:01,293 INFO L225 Difference]: With dead ends: 20352 [2021-01-06 19:04:01,293 INFO L226 Difference]: Without dead ends: 13569 [2021-01-06 19:04:01,308 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 19:04:01,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13569 states. [2021-01-06 19:04:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13569 to 7073. [2021-01-06 19:04:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7073 states. [2021-01-06 19:04:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7073 states to 7073 states and 12837 transitions. [2021-01-06 19:04:01,871 INFO L78 Accepts]: Start accepts. Automaton has 7073 states and 12837 transitions. Word has length 102 [2021-01-06 19:04:01,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:01,871 INFO L481 AbstractCegarLoop]: Abstraction has 7073 states and 12837 transitions. [2021-01-06 19:04:01,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:04:01,871 INFO L276 IsEmpty]: Start isEmpty. Operand 7073 states and 12837 transitions. [2021-01-06 19:04:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:04:01,888 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:01,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:01,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:04:01,889 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 19:04:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:01,889 INFO L82 PathProgramCache]: Analyzing trace with hash 120283570, now seen corresponding path program 1 times [2021-01-06 19:04:01,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:01,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720775442] [2021-01-06 19:04:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:01,968 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 19:04:01,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720775442] [2021-01-06 19:04:01,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:01,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:04:01,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132580523] [2021-01-06 19:04:01,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:04:01,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:01,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:04:01,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:01,971 INFO L87 Difference]: Start difference. First operand 7073 states and 12837 transitions. Second operand 3 states. [2021-01-06 19:04:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:02,839 INFO L93 Difference]: Finished difference Result 20592 states and 37424 transitions. [2021-01-06 19:04:02,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:04:02,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-01-06 19:04:02,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:02,891 INFO L225 Difference]: With dead ends: 20592 [2021-01-06 19:04:02,891 INFO L226 Difference]: Without dead ends: 13692 [2021-01-06 19:04:02,907 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 19:04:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13692 states. [2021-01-06 19:04:03,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13692 to 13155. [2021-01-06 19:04:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13155 states. [2021-01-06 19:04:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13155 states to 13155 states and 23942 transitions. [2021-01-06 19:04:03,741 INFO L78 Accepts]: Start accepts. Automaton has 13155 states and 23942 transitions. Word has length 102 [2021-01-06 19:04:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:03,741 INFO L481 AbstractCegarLoop]: Abstraction has 13155 states and 23942 transitions. [2021-01-06 19:04:03,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:04:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 13155 states and 23942 transitions. [2021-01-06 19:04:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:04:03,770 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:03,770 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, 1, 1, 1, 1] [2021-01-06 19:04:03,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:04:03,771 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 19:04:03,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:03,771 INFO L82 PathProgramCache]: Analyzing trace with hash 799884798, now seen corresponding path program 1 times [2021-01-06 19:04:03,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:03,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276166084] [2021-01-06 19:04:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:03,960 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 19:04:03,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276166084] [2021-01-06 19:04:03,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:03,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:04:03,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104677120] [2021-01-06 19:04:03,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:04:03,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:03,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:04:03,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:04:03,966 INFO L87 Difference]: Start difference. First operand 13155 states and 23942 transitions. Second operand 9 states. [2021-01-06 19:04:07,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:07,106 INFO L93 Difference]: Finished difference Result 29708 states and 53488 transitions. [2021-01-06 19:04:07,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 19:04:07,107 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2021-01-06 19:04:07,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:07,203 INFO L225 Difference]: With dead ends: 29708 [2021-01-06 19:04:07,203 INFO L226 Difference]: Without dead ends: 29228 [2021-01-06 19:04:07,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2021-01-06 19:04:07,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29228 states. [2021-01-06 19:04:08,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29228 to 26461. [2021-01-06 19:04:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26461 states. [2021-01-06 19:04:08,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26461 states to 26461 states and 48135 transitions. [2021-01-06 19:04:08,883 INFO L78 Accepts]: Start accepts. Automaton has 26461 states and 48135 transitions. Word has length 103 [2021-01-06 19:04:08,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:08,884 INFO L481 AbstractCegarLoop]: Abstraction has 26461 states and 48135 transitions. [2021-01-06 19:04:08,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:04:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 26461 states and 48135 transitions. [2021-01-06 19:04:08,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 19:04:08,936 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:08,936 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, 1, 1, 1, 1, 1] [2021-01-06 19:04:08,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:04:08,937 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 19:04:08,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:08,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1883446035, now seen corresponding path program 1 times [2021-01-06 19:04:08,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:08,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366193714] [2021-01-06 19:04:08,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:09,046 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 19:04:09,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366193714] [2021-01-06 19:04:09,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:09,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:04:09,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115055721] [2021-01-06 19:04:09,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:04:09,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:09,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:04:09,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:04:09,050 INFO L87 Difference]: Start difference. First operand 26461 states and 48135 transitions. Second operand 4 states. [2021-01-06 19:04:10,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:10,082 INFO L93 Difference]: Finished difference Result 28368 states and 51319 transitions. [2021-01-06 19:04:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:04:10,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2021-01-06 19:04:10,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:10,157 INFO L225 Difference]: With dead ends: 28368 [2021-01-06 19:04:10,157 INFO L226 Difference]: Without dead ends: 27104 [2021-01-06 19:04:10,170 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 19:04:10,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27104 states. [2021-01-06 19:04:11,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27104 to 26343. [2021-01-06 19:04:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26343 states. [2021-01-06 19:04:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26343 states to 26343 states and 47933 transitions. [2021-01-06 19:04:11,304 INFO L78 Accepts]: Start accepts. Automaton has 26343 states and 47933 transitions. Word has length 104 [2021-01-06 19:04:11,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:11,304 INFO L481 AbstractCegarLoop]: Abstraction has 26343 states and 47933 transitions. [2021-01-06 19:04:11,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:04:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 26343 states and 47933 transitions. [2021-01-06 19:04:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 19:04:11,341 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:11,341 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, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:11,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:04:11,342 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 19:04:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:11,342 INFO L82 PathProgramCache]: Analyzing trace with hash -2053832042, now seen corresponding path program 1 times [2021-01-06 19:04:11,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:11,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349326511] [2021-01-06 19:04:11,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:11,421 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 19:04:11,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349326511] [2021-01-06 19:04:11,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:11,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:04:11,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393559059] [2021-01-06 19:04:11,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:04:11,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:11,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:04:11,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:04:11,423 INFO L87 Difference]: Start difference. First operand 26343 states and 47933 transitions. Second operand 4 states. [2021-01-06 19:04:13,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:13,368 INFO L93 Difference]: Finished difference Result 42342 states and 76560 transitions. [2021-01-06 19:04:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:04:13,369 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2021-01-06 19:04:13,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:13,441 INFO L225 Difference]: With dead ends: 42342 [2021-01-06 19:04:13,441 INFO L226 Difference]: Without dead ends: 41518 [2021-01-06 19:04:13,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 19:04:13,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41518 states. [2021-01-06 19:04:15,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41518 to 39586. [2021-01-06 19:04:15,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39586 states. [2021-01-06 19:04:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39586 states to 39586 states and 72010 transitions. [2021-01-06 19:04:15,217 INFO L78 Accepts]: Start accepts. Automaton has 39586 states and 72010 transitions. Word has length 105 [2021-01-06 19:04:15,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:15,217 INFO L481 AbstractCegarLoop]: Abstraction has 39586 states and 72010 transitions. [2021-01-06 19:04:15,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:04:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 39586 states and 72010 transitions. [2021-01-06 19:04:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 19:04:15,267 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:15,267 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, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:15,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:04:15,268 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 19:04:15,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:15,268 INFO L82 PathProgramCache]: Analyzing trace with hash -114669996, now seen corresponding path program 1 times [2021-01-06 19:04:15,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:15,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412482156] [2021-01-06 19:04:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:15,401 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 19:04:15,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412482156] [2021-01-06 19:04:15,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:15,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:04:15,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10106947] [2021-01-06 19:04:15,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:04:15,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:15,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:04:15,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:04:15,403 INFO L87 Difference]: Start difference. First operand 39586 states and 72010 transitions. Second operand 10 states. [2021-01-06 19:04:16,252 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-01-06 19:04:19,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:19,646 INFO L93 Difference]: Finished difference Result 53688 states and 95358 transitions. [2021-01-06 19:04:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-06 19:04:19,646 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2021-01-06 19:04:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:19,726 INFO L225 Difference]: With dead ends: 53688 [2021-01-06 19:04:19,726 INFO L226 Difference]: Without dead ends: 51950 [2021-01-06 19:04:19,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 19:04:19,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51950 states. [2021-01-06 19:04:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51950 to 40466. [2021-01-06 19:04:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40466 states. [2021-01-06 19:04:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40466 states to 40466 states and 73433 transitions. [2021-01-06 19:04:21,802 INFO L78 Accepts]: Start accepts. Automaton has 40466 states and 73433 transitions. Word has length 105 [2021-01-06 19:04:21,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:21,802 INFO L481 AbstractCegarLoop]: Abstraction has 40466 states and 73433 transitions. [2021-01-06 19:04:21,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:04:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 40466 states and 73433 transitions. [2021-01-06 19:04:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 19:04:21,861 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:21,861 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, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:21,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:04:21,861 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 19:04:21,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:21,862 INFO L82 PathProgramCache]: Analyzing trace with hash 268322446, now seen corresponding path program 1 times [2021-01-06 19:04:21,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:21,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020023801] [2021-01-06 19:04:21,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:22,056 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 19:04:22,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020023801] [2021-01-06 19:04:22,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:22,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 19:04:22,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907577163] [2021-01-06 19:04:22,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:04:22,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:22,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:04:22,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:04:22,058 INFO L87 Difference]: Start difference. First operand 40466 states and 73433 transitions. Second operand 11 states. [2021-01-06 19:04:22,593 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-01-06 19:04:27,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:27,003 INFO L93 Difference]: Finished difference Result 55260 states and 97914 transitions. [2021-01-06 19:04:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-06 19:04:27,004 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 106 [2021-01-06 19:04:27,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:27,089 INFO L225 Difference]: With dead ends: 55260 [2021-01-06 19:04:27,089 INFO L226 Difference]: Without dead ends: 52943 [2021-01-06 19:04:27,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 19:04:27,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52943 states. [2021-01-06 19:04:28,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52943 to 40972. [2021-01-06 19:04:28,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40972 states. [2021-01-06 19:04:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40972 states to 40972 states and 74269 transitions. [2021-01-06 19:04:29,038 INFO L78 Accepts]: Start accepts. Automaton has 40972 states and 74269 transitions. Word has length 106 [2021-01-06 19:04:29,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:29,039 INFO L481 AbstractCegarLoop]: Abstraction has 40972 states and 74269 transitions. [2021-01-06 19:04:29,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 19:04:29,039 INFO L276 IsEmpty]: Start isEmpty. Operand 40972 states and 74269 transitions. [2021-01-06 19:04:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 19:04:29,089 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:29,089 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, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:29,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:04:29,090 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 19:04:29,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:29,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1459506328, now seen corresponding path program 1 times [2021-01-06 19:04:29,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:29,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306231927] [2021-01-06 19:04:29,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:29,226 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 19:04:29,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306231927] [2021-01-06 19:04:29,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:29,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 19:04:29,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452702906] [2021-01-06 19:04:29,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:04:29,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:29,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:04:29,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:04:29,232 INFO L87 Difference]: Start difference. First operand 40972 states and 74269 transitions. Second operand 9 states. [2021-01-06 19:04:31,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:31,292 INFO L93 Difference]: Finished difference Result 45330 states and 81467 transitions. [2021-01-06 19:04:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 19:04:31,293 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2021-01-06 19:04:31,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:31,358 INFO L225 Difference]: With dead ends: 45330 [2021-01-06 19:04:31,358 INFO L226 Difference]: Without dead ends: 41835 [2021-01-06 19:04:31,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2021-01-06 19:04:31,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41835 states. [2021-01-06 19:04:33,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41835 to 40418. [2021-01-06 19:04:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40418 states. [2021-01-06 19:04:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40418 states to 40418 states and 73318 transitions. [2021-01-06 19:04:33,352 INFO L78 Accepts]: Start accepts. Automaton has 40418 states and 73318 transitions. Word has length 106 [2021-01-06 19:04:33,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:33,353 INFO L481 AbstractCegarLoop]: Abstraction has 40418 states and 73318 transitions. [2021-01-06 19:04:33,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:04:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 40418 states and 73318 transitions. [2021-01-06 19:04:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 19:04:33,400 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:33,400 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:33,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 19:04:33,400 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 19:04:33,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:33,401 INFO L82 PathProgramCache]: Analyzing trace with hash -214956528, now seen corresponding path program 1 times [2021-01-06 19:04:33,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:33,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979981418] [2021-01-06 19:04:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:33,501 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 19:04:33,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979981418] [2021-01-06 19:04:33,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:33,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:04:33,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913189288] [2021-01-06 19:04:33,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:04:33,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:33,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:04:33,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:04:33,503 INFO L87 Difference]: Start difference. First operand 40418 states and 73318 transitions. Second operand 5 states. [2021-01-06 19:04:35,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:35,329 INFO L93 Difference]: Finished difference Result 42098 states and 76109 transitions. [2021-01-06 19:04:35,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:04:35,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2021-01-06 19:04:35,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:35,394 INFO L225 Difference]: With dead ends: 42098 [2021-01-06 19:04:35,394 INFO L226 Difference]: Without dead ends: 41122 [2021-01-06 19:04:35,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 19:04:35,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41122 states. [2021-01-06 19:04:37,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41122 to 40916. [2021-01-06 19:04:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40916 states. [2021-01-06 19:04:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40916 states to 40916 states and 74151 transitions. [2021-01-06 19:04:37,296 INFO L78 Accepts]: Start accepts. Automaton has 40916 states and 74151 transitions. Word has length 107 [2021-01-06 19:04:37,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:37,296 INFO L481 AbstractCegarLoop]: Abstraction has 40916 states and 74151 transitions. [2021-01-06 19:04:37,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:04:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 40916 states and 74151 transitions. [2021-01-06 19:04:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 19:04:37,345 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:37,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:37,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 19:04:37,345 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 19:04:37,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:37,346 INFO L82 PathProgramCache]: Analyzing trace with hash -620422401, now seen corresponding path program 1 times [2021-01-06 19:04:37,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:37,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864778200] [2021-01-06 19:04:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:37,432 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 19:04:37,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864778200] [2021-01-06 19:04:37,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:37,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:04:37,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714670886] [2021-01-06 19:04:37,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:04:37,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:37,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:04:37,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:04:37,435 INFO L87 Difference]: Start difference. First operand 40916 states and 74151 transitions. Second operand 5 states. [2021-01-06 19:04:40,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:40,878 INFO L93 Difference]: Finished difference Result 85458 states and 154148 transitions. [2021-01-06 19:04:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:04:40,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2021-01-06 19:04:40,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:41,025 INFO L225 Difference]: With dead ends: 85458 [2021-01-06 19:04:41,025 INFO L226 Difference]: Without dead ends: 82340 [2021-01-06 19:04:41,046 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 19:04:41,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82340 states. [2021-01-06 19:04:44,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82340 to 80364. [2021-01-06 19:04:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80364 states. [2021-01-06 19:04:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80364 states to 80364 states and 145791 transitions. [2021-01-06 19:04:44,701 INFO L78 Accepts]: Start accepts. Automaton has 80364 states and 145791 transitions. Word has length 109 [2021-01-06 19:04:44,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:44,701 INFO L481 AbstractCegarLoop]: Abstraction has 80364 states and 145791 transitions. [2021-01-06 19:04:44,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:04:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 80364 states and 145791 transitions. [2021-01-06 19:04:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 19:04:44,794 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:44,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:44,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 19:04:44,795 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 19:04:44,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:44,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1655597967, now seen corresponding path program 1 times [2021-01-06 19:04:44,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:44,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517662024] [2021-01-06 19:04:44,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:44,884 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 19:04:44,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517662024] [2021-01-06 19:04:44,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:44,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:04:44,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945947733] [2021-01-06 19:04:44,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:04:44,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:44,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:04:44,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:04:44,886 INFO L87 Difference]: Start difference. First operand 80364 states and 145791 transitions. Second operand 5 states. [2021-01-06 19:04:48,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:48,096 INFO L93 Difference]: Finished difference Result 85262 states and 153864 transitions. [2021-01-06 19:04:48,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:04:48,097 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2021-01-06 19:04:48,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:48,231 INFO L225 Difference]: With dead ends: 85262 [2021-01-06 19:04:48,231 INFO L226 Difference]: Without dead ends: 79374 [2021-01-06 19:04:48,256 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 19:04:48,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79374 states. [2021-01-06 19:04:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79374 to 78322. [2021-01-06 19:04:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78322 states. [2021-01-06 19:04:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78322 states to 78322 states and 142415 transitions. [2021-01-06 19:04:51,699 INFO L78 Accepts]: Start accepts. Automaton has 78322 states and 142415 transitions. Word has length 110 [2021-01-06 19:04:51,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:51,699 INFO L481 AbstractCegarLoop]: Abstraction has 78322 states and 142415 transitions. [2021-01-06 19:04:51,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:04:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 78322 states and 142415 transitions. [2021-01-06 19:04:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 19:04:51,802 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:51,803 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, 1, 1, 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 19:04:51,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 19:04:51,803 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 19:04:51,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:51,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1715607322, now seen corresponding path program 1 times [2021-01-06 19:04:51,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:51,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586940825] [2021-01-06 19:04:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:51,940 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 19:04:51,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586940825] [2021-01-06 19:04:51,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:51,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:04:51,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989170996] [2021-01-06 19:04:51,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:04:51,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:51,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:04:51,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:04:51,943 INFO L87 Difference]: Start difference. First operand 78322 states and 142415 transitions. Second operand 5 states. [2021-01-06 19:04:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:58,297 INFO L93 Difference]: Finished difference Result 163651 states and 296407 transitions. [2021-01-06 19:04:58,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:04:58,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2021-01-06 19:04:58,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:58,634 INFO L225 Difference]: With dead ends: 163651 [2021-01-06 19:04:58,634 INFO L226 Difference]: Without dead ends: 161071 [2021-01-06 19:04:58,689 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 19:04:58,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161071 states. [2021-01-06 19:05:05,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161071 to 155907. [2021-01-06 19:05:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155907 states. [2021-01-06 19:05:05,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155907 states to 155907 states and 283493 transitions. [2021-01-06 19:05:05,965 INFO L78 Accepts]: Start accepts. Automaton has 155907 states and 283493 transitions. Word has length 125 [2021-01-06 19:05:05,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:05,966 INFO L481 AbstractCegarLoop]: Abstraction has 155907 states and 283493 transitions. [2021-01-06 19:05:05,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:05:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 155907 states and 283493 transitions. [2021-01-06 19:05:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-06 19:05:06,152 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:06,152 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, 1, 1, 1, 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 19:05:06,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 19:05:06,152 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 19:05:06,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:06,153 INFO L82 PathProgramCache]: Analyzing trace with hash 2047117650, now seen corresponding path program 1 times [2021-01-06 19:05:06,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:06,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487094597] [2021-01-06 19:05:06,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:06,229 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 19:05:06,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487094597] [2021-01-06 19:05:06,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:06,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:05:06,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173988697] [2021-01-06 19:05:06,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:05:06,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:06,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:05:06,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:05:06,231 INFO L87 Difference]: Start difference. First operand 155907 states and 283493 transitions. Second operand 3 states. [2021-01-06 19:05:18,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:18,372 INFO L93 Difference]: Finished difference Result 463068 states and 842936 transitions. [2021-01-06 19:05:18,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:05:18,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2021-01-06 19:05:18,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:19,197 INFO L225 Difference]: With dead ends: 463068 [2021-01-06 19:05:19,197 INFO L226 Difference]: Without dead ends: 307465 [2021-01-06 19:05:19,376 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 19:05:19,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307465 states. [2021-01-06 19:05:32,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307465 to 299909. [2021-01-06 19:05:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299909 states. [2021-01-06 19:05:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299909 states to 299909 states and 546918 transitions. [2021-01-06 19:05:33,281 INFO L78 Accepts]: Start accepts. Automaton has 299909 states and 546918 transitions. Word has length 126 [2021-01-06 19:05:33,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:33,281 INFO L481 AbstractCegarLoop]: Abstraction has 299909 states and 546918 transitions. [2021-01-06 19:05:33,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:05:33,281 INFO L276 IsEmpty]: Start isEmpty. Operand 299909 states and 546918 transitions. [2021-01-06 19:05:34,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-06 19:05:34,314 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:34,315 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, 1, 1, 1, 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 19:05:34,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 19:05:34,315 INFO L429 AbstractCegarLoop]: === Iteration 29 === [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 19:05:34,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:34,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1444505485, now seen corresponding path program 1 times [2021-01-06 19:05:34,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:34,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009478487] [2021-01-06 19:05:34,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:34,473 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 19:05:34,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009478487] [2021-01-06 19:05:34,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:34,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:05:34,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000816367] [2021-01-06 19:05:34,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:05:34,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:34,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:05:34,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:05:34,478 INFO L87 Difference]: Start difference. First operand 299909 states and 546918 transitions. Second operand 10 states.