/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec27_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:52:26,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:52:26,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:52:26,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:52:26,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:52:26,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:52:26,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:52:26,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:52:26,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:52:26,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:52:26,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:52:26,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:52:26,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:52:26,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:52:26,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:52:26,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:52:26,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:52:26,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:52:26,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:52:26,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:52:26,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:52:26,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:52:26,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:52:26,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:52:26,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:52:26,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:52:26,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:52:26,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:52:26,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:52:26,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:52:26,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:52:26,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:52:26,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:52:26,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:52:26,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:52:26,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:52:26,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:52:26,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:52:26,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:52:26,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:52:26,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:52:26,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:52:26,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:52:26,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:52:26,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:52:26,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:52:26,854 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:52:26,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:52:26,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:52:26,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:52:26,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:52:26,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:52:26,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:52:26,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:52:26,856 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:52:26,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:52:26,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:52:26,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:52:26,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:52:26,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:52:26,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:52:26,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:52:26,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:52:26,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:52:26,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:52:26,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:52:26,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:52:26,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:52:27,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:52:27,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:52:27,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:52:27,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:52:27,300 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:52:27,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2020-12-23 08:52:27,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7f6804a7e/6902fa1bd0284c65bbfeac130089c97f/FLAGfb1c2667a [2020-12-23 08:52:28,233 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:52:28,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2020-12-23 08:52:28,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7f6804a7e/6902fa1bd0284c65bbfeac130089c97f/FLAGfb1c2667a [2020-12-23 08:52:28,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7f6804a7e/6902fa1bd0284c65bbfeac130089c97f [2020-12-23 08:52:28,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:52:28,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:52:28,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:52:28,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:52:28,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:52:28,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:52:28" (1/1) ... [2020-12-23 08:52:28,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b93f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:28, skipping insertion in model container [2020-12-23 08:52:28,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:52:28" (1/1) ... [2020-12-23 08:52:28,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:52:28,491 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[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] 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~11,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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[~__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[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] [2020-12-23 08:52:28,985 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product28.cil.c[32462,32475] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~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[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~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[~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[~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[~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[~retValue_acc~34,] 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~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[~retValue_acc~35,] 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~36,] 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[~retValue_acc~36,] 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~37,] 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[~retValue_acc~37,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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[~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[~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[~retValue_acc~39,] 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~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[~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[~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[~retValue_acc~40,] 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[~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[~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[~retValue_acc~41,] 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~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[~retValue_acc~42,] 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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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[~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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] 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___1~5,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:52:29,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:52:29,180 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[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] 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~11,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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[~__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[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] [2020-12-23 08:52:29,351 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product28.cil.c[32462,32475] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~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[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~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[~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[~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[~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[~retValue_acc~34,] 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~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[~retValue_acc~35,] 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~36,] 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[~retValue_acc~36,] 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~37,] 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[~retValue_acc~37,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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[~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[~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[~retValue_acc~39,] 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~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[~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[~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[~retValue_acc~40,] 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[~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[~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[~retValue_acc~41,] 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~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[~retValue_acc~42,] 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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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[~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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] 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___1~5,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:52:29,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:52:29,493 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:52:29,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29 WrapperNode [2020-12-23 08:52:29,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:52:29,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:52:29,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:52:29,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:52:29,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:52:29,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:52:29,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:52:29,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:52:29,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... [2020-12-23 08:52:29,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:52:29,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:52:29,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:52:29,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:52:29,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:52:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:52:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:52:32,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:52:32,200 INFO L299 CfgBuilder]: Removed 295 assume(true) statements. [2020-12-23 08:52:32,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:52:32 BoogieIcfgContainer [2020-12-23 08:52:32,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:52:32,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:52:32,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:52:32,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:52:32,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:52:28" (1/3) ... [2020-12-23 08:52:32,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387cea12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:52:32, skipping insertion in model container [2020-12-23 08:52:32,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:52:29" (2/3) ... [2020-12-23 08:52:32,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387cea12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:52:32, skipping insertion in model container [2020-12-23 08:52:32,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:52:32" (3/3) ... [2020-12-23 08:52:32,212 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product28.cil.c [2020-12-23 08:52:32,219 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:52:32,225 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:52:32,244 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:52:32,282 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:52:32,282 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:52:32,282 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:52:32,282 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:52:32,283 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:52:32,283 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:52:32,283 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:52:32,283 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:52:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states. [2020-12-23 08:52:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:52:32,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:32,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:32,325 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:32,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:32,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1700881681, now seen corresponding path program 1 times [2020-12-23 08:52:32,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:32,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12185858] [2020-12-23 08:52:32,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:32,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12185858] [2020-12-23 08:52:32,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:32,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:32,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864883253] [2020-12-23 08:52:32,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:32,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:32,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:32,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:32,813 INFO L87 Difference]: Start difference. First operand 495 states. Second operand 3 states. [2020-12-23 08:52:33,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:33,006 INFO L93 Difference]: Finished difference Result 1450 states and 2555 transitions. [2020-12-23 08:52:33,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:33,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:52:33,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:33,039 INFO L225 Difference]: With dead ends: 1450 [2020-12-23 08:52:33,039 INFO L226 Difference]: Without dead ends: 960 [2020-12-23 08:52:33,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:33,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-12-23 08:52:33,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 489. [2020-12-23 08:52:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-12-23 08:52:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 855 transitions. [2020-12-23 08:52:33,140 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 855 transitions. Word has length 62 [2020-12-23 08:52:33,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:33,141 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 855 transitions. [2020-12-23 08:52:33,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 855 transitions. [2020-12-23 08:52:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:52:33,152 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:33,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:33,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:52:33,153 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:33,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:33,154 INFO L82 PathProgramCache]: Analyzing trace with hash -420744479, now seen corresponding path program 1 times [2020-12-23 08:52:33,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:33,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898678353] [2020-12-23 08:52:33,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:33,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898678353] [2020-12-23 08:52:33,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:33,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:33,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724099852] [2020-12-23 08:52:33,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:33,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:33,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:33,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:33,363 INFO L87 Difference]: Start difference. First operand 489 states and 855 transitions. Second operand 5 states. [2020-12-23 08:52:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:33,631 INFO L93 Difference]: Finished difference Result 1416 states and 2481 transitions. [2020-12-23 08:52:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:52:33,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 08:52:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:33,643 INFO L225 Difference]: With dead ends: 1416 [2020-12-23 08:52:33,644 INFO L226 Difference]: Without dead ends: 946 [2020-12-23 08:52:33,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:52:33,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-12-23 08:52:33,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 489. [2020-12-23 08:52:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-12-23 08:52:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 854 transitions. [2020-12-23 08:52:33,703 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 854 transitions. Word has length 64 [2020-12-23 08:52:33,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:33,703 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 854 transitions. [2020-12-23 08:52:33,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 854 transitions. [2020-12-23 08:52:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:52:33,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:33,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:33,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:52:33,709 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:33,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:33,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1732909522, now seen corresponding path program 1 times [2020-12-23 08:52:33,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:33,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044605684] [2020-12-23 08:52:33,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:33,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044605684] [2020-12-23 08:52:33,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:33,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:33,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680292131] [2020-12-23 08:52:33,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:33,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:33,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:33,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:33,876 INFO L87 Difference]: Start difference. First operand 489 states and 854 transitions. Second operand 3 states. [2020-12-23 08:52:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:33,928 INFO L93 Difference]: Finished difference Result 960 states and 1682 transitions. [2020-12-23 08:52:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:33,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:52:33,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:33,933 INFO L225 Difference]: With dead ends: 960 [2020-12-23 08:52:33,934 INFO L226 Difference]: Without dead ends: 494 [2020-12-23 08:52:33,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:33,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-12-23 08:52:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 489. [2020-12-23 08:52:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-12-23 08:52:33,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 853 transitions. [2020-12-23 08:52:33,962 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 853 transitions. Word has length 65 [2020-12-23 08:52:33,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:33,969 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 853 transitions. [2020-12-23 08:52:33,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 853 transitions. [2020-12-23 08:52:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:52:33,972 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:33,972 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] [2020-12-23 08:52:33,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:52:33,973 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:33,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:33,974 INFO L82 PathProgramCache]: Analyzing trace with hash 134967028, now seen corresponding path program 1 times [2020-12-23 08:52:33,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:33,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135951610] [2020-12-23 08:52:33,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:34,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135951610] [2020-12-23 08:52:34,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:34,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:34,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40369755] [2020-12-23 08:52:34,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:34,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:34,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:34,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:34,105 INFO L87 Difference]: Start difference. First operand 489 states and 853 transitions. Second operand 3 states. [2020-12-23 08:52:34,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:34,148 INFO L93 Difference]: Finished difference Result 970 states and 1695 transitions. [2020-12-23 08:52:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:34,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:52:34,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:34,152 INFO L225 Difference]: With dead ends: 970 [2020-12-23 08:52:34,152 INFO L226 Difference]: Without dead ends: 489 [2020-12-23 08:52:34,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:34,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2020-12-23 08:52:34,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2020-12-23 08:52:34,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-12-23 08:52:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 851 transitions. [2020-12-23 08:52:34,213 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 851 transitions. Word has length 66 [2020-12-23 08:52:34,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:34,215 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 851 transitions. [2020-12-23 08:52:34,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 851 transitions. [2020-12-23 08:52:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:52:34,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:34,217 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] [2020-12-23 08:52:34,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:52:34,217 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:34,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:34,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1001864585, now seen corresponding path program 1 times [2020-12-23 08:52:34,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:34,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14945579] [2020-12-23 08:52:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:34,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14945579] [2020-12-23 08:52:34,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:34,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:34,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336284891] [2020-12-23 08:52:34,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:34,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:34,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:34,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:34,345 INFO L87 Difference]: Start difference. First operand 489 states and 851 transitions. Second operand 5 states. [2020-12-23 08:52:34,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:34,529 INFO L93 Difference]: Finished difference Result 1406 states and 2461 transitions. [2020-12-23 08:52:34,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:52:34,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2020-12-23 08:52:34,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:34,538 INFO L225 Difference]: With dead ends: 1406 [2020-12-23 08:52:34,538 INFO L226 Difference]: Without dead ends: 944 [2020-12-23 08:52:34,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:52:34,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-12-23 08:52:34,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 489. [2020-12-23 08:52:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-12-23 08:52:34,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 850 transitions. [2020-12-23 08:52:34,573 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 850 transitions. Word has length 67 [2020-12-23 08:52:34,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:34,573 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 850 transitions. [2020-12-23 08:52:34,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 850 transitions. [2020-12-23 08:52:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:52:34,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:34,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:34,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:52:34,576 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:34,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1089595860, now seen corresponding path program 1 times [2020-12-23 08:52:34,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:34,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802475280] [2020-12-23 08:52:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:34,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802475280] [2020-12-23 08:52:34,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:34,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:34,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918895286] [2020-12-23 08:52:34,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:34,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:34,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:34,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:34,699 INFO L87 Difference]: Start difference. First operand 489 states and 850 transitions. Second operand 5 states. [2020-12-23 08:52:34,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:34,886 INFO L93 Difference]: Finished difference Result 1411 states and 2466 transitions. [2020-12-23 08:52:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:52:34,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-23 08:52:34,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:34,892 INFO L225 Difference]: With dead ends: 1411 [2020-12-23 08:52:34,892 INFO L226 Difference]: Without dead ends: 949 [2020-12-23 08:52:34,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:52:34,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2020-12-23 08:52:34,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 489. [2020-12-23 08:52:34,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-12-23 08:52:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 849 transitions. [2020-12-23 08:52:34,926 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 849 transitions. Word has length 68 [2020-12-23 08:52:34,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:34,926 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 849 transitions. [2020-12-23 08:52:34,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 849 transitions. [2020-12-23 08:52:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:52:34,928 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:34,928 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] [2020-12-23 08:52:34,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:52:34,929 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:34,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:34,934 INFO L82 PathProgramCache]: Analyzing trace with hash -947422396, now seen corresponding path program 1 times [2020-12-23 08:52:34,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:34,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254074235] [2020-12-23 08:52:34,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:35,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:35,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254074235] [2020-12-23 08:52:35,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:35,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:35,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319739872] [2020-12-23 08:52:35,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:35,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:35,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:35,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:35,046 INFO L87 Difference]: Start difference. First operand 489 states and 849 transitions. Second operand 3 states. [2020-12-23 08:52:35,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:35,081 INFO L93 Difference]: Finished difference Result 744 states and 1281 transitions. [2020-12-23 08:52:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:35,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:52:35,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:35,086 INFO L225 Difference]: With dead ends: 744 [2020-12-23 08:52:35,086 INFO L226 Difference]: Without dead ends: 492 [2020-12-23 08:52:35,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-12-23 08:52:35,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 491. [2020-12-23 08:52:35,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-12-23 08:52:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 851 transitions. [2020-12-23 08:52:35,119 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 851 transitions. Word has length 69 [2020-12-23 08:52:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:35,121 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 851 transitions. [2020-12-23 08:52:35,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 851 transitions. [2020-12-23 08:52:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:52:35,128 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:35,128 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] [2020-12-23 08:52:35,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:52:35,129 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:35,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:35,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1612700098, now seen corresponding path program 1 times [2020-12-23 08:52:35,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:35,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145494520] [2020-12-23 08:52:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:35,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145494520] [2020-12-23 08:52:35,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:35,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:35,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857049930] [2020-12-23 08:52:35,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:35,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:35,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:35,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:35,230 INFO L87 Difference]: Start difference. First operand 491 states and 851 transitions. Second operand 3 states. [2020-12-23 08:52:35,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:35,288 INFO L93 Difference]: Finished difference Result 1359 states and 2377 transitions. [2020-12-23 08:52:35,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:35,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:52:35,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:35,294 INFO L225 Difference]: With dead ends: 1359 [2020-12-23 08:52:35,294 INFO L226 Difference]: Without dead ends: 899 [2020-12-23 08:52:35,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:35,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-12-23 08:52:35,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 647. [2020-12-23 08:52:35,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-12-23 08:52:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1137 transitions. [2020-12-23 08:52:35,335 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1137 transitions. Word has length 75 [2020-12-23 08:52:35,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:35,336 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 1137 transitions. [2020-12-23 08:52:35,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1137 transitions. [2020-12-23 08:52:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:52:35,337 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:35,338 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] [2020-12-23 08:52:35,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:52:35,340 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:35,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:35,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1215700769, now seen corresponding path program 1 times [2020-12-23 08:52:35,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:35,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871283950] [2020-12-23 08:52:35,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:35,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:35,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871283950] [2020-12-23 08:52:35,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659789028] [2020-12-23 08:52:35,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:52:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:35,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:52:35,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:52:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:36,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:52:36,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:52:36,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433517514] [2020-12-23 08:52:36,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:36,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:36,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:36,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:36,095 INFO L87 Difference]: Start difference. First operand 647 states and 1137 transitions. Second operand 5 states. [2020-12-23 08:52:36,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:36,217 INFO L93 Difference]: Finished difference Result 1363 states and 2380 transitions. [2020-12-23 08:52:36,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:52:36,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-23 08:52:36,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:36,229 INFO L225 Difference]: With dead ends: 1363 [2020-12-23 08:52:36,230 INFO L226 Difference]: Without dead ends: 1111 [2020-12-23 08:52:36,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2020-12-23 08:52:36,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 857. [2020-12-23 08:52:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-12-23 08:52:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1520 transitions. [2020-12-23 08:52:36,299 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1520 transitions. Word has length 76 [2020-12-23 08:52:36,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:36,299 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1520 transitions. [2020-12-23 08:52:36,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:36,299 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1520 transitions. [2020-12-23 08:52:36,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:52:36,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:36,302 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] [2020-12-23 08:52:36,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:52:36,516 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:36,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:36,516 INFO L82 PathProgramCache]: Analyzing trace with hash -2142309612, now seen corresponding path program 1 times [2020-12-23 08:52:36,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:36,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133851818] [2020-12-23 08:52:36,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:36,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133851818] [2020-12-23 08:52:36,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:36,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:36,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089760272] [2020-12-23 08:52:36,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:36,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:36,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:36,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:36,605 INFO L87 Difference]: Start difference. First operand 857 states and 1520 transitions. Second operand 3 states. [2020-12-23 08:52:36,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:36,732 INFO L93 Difference]: Finished difference Result 2241 states and 3991 transitions. [2020-12-23 08:52:36,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:36,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-23 08:52:36,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:36,743 INFO L225 Difference]: With dead ends: 2241 [2020-12-23 08:52:36,743 INFO L226 Difference]: Without dead ends: 1473 [2020-12-23 08:52:36,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:36,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-12-23 08:52:36,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1221. [2020-12-23 08:52:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2020-12-23 08:52:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 2184 transitions. [2020-12-23 08:52:36,837 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 2184 transitions. Word has length 82 [2020-12-23 08:52:36,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:36,837 INFO L481 AbstractCegarLoop]: Abstraction has 1221 states and 2184 transitions. [2020-12-23 08:52:36,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2184 transitions. [2020-12-23 08:52:36,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:52:36,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:36,840 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] [2020-12-23 08:52:36,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:52:36,841 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:36,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:36,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1933715292, now seen corresponding path program 2 times [2020-12-23 08:52:36,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:36,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098698953] [2020-12-23 08:52:36,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:36,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098698953] [2020-12-23 08:52:36,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:36,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:36,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821114402] [2020-12-23 08:52:36,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:36,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:36,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:36,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:36,931 INFO L87 Difference]: Start difference. First operand 1221 states and 2184 transitions. Second operand 5 states. [2020-12-23 08:52:37,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:37,074 INFO L93 Difference]: Finished difference Result 2451 states and 4372 transitions. [2020-12-23 08:52:37,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:52:37,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-12-23 08:52:37,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:37,084 INFO L225 Difference]: With dead ends: 2451 [2020-12-23 08:52:37,085 INFO L226 Difference]: Without dead ends: 1473 [2020-12-23 08:52:37,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:52:37,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-12-23 08:52:37,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1221. [2020-12-23 08:52:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2020-12-23 08:52:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 2182 transitions. [2020-12-23 08:52:37,171 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 2182 transitions. Word has length 83 [2020-12-23 08:52:37,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:37,172 INFO L481 AbstractCegarLoop]: Abstraction has 1221 states and 2182 transitions. [2020-12-23 08:52:37,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2182 transitions. [2020-12-23 08:52:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:52:37,175 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:37,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:37,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:52:37,176 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:37,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:37,176 INFO L82 PathProgramCache]: Analyzing trace with hash 27504035, now seen corresponding path program 1 times [2020-12-23 08:52:37,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:37,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43420889] [2020-12-23 08:52:37,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:37,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43420889] [2020-12-23 08:52:37,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:37,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:37,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929755135] [2020-12-23 08:52:37,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:37,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:37,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:37,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:37,293 INFO L87 Difference]: Start difference. First operand 1221 states and 2182 transitions. Second operand 3 states. [2020-12-23 08:52:37,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:37,469 INFO L93 Difference]: Finished difference Result 3305 states and 5932 transitions. [2020-12-23 08:52:37,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:37,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 08:52:37,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:37,483 INFO L225 Difference]: With dead ends: 3305 [2020-12-23 08:52:37,483 INFO L226 Difference]: Without dead ends: 2181 [2020-12-23 08:52:37,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-12-23 08:52:37,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 1929. [2020-12-23 08:52:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1929 states. [2020-12-23 08:52:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 3473 transitions. [2020-12-23 08:52:37,633 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 3473 transitions. Word has length 83 [2020-12-23 08:52:37,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:37,635 INFO L481 AbstractCegarLoop]: Abstraction has 1929 states and 3473 transitions. [2020-12-23 08:52:37,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:37,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 3473 transitions. [2020-12-23 08:52:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:52:37,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:37,640 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] [2020-12-23 08:52:37,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:52:37,640 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:37,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:37,641 INFO L82 PathProgramCache]: Analyzing trace with hash -825014954, now seen corresponding path program 1 times [2020-12-23 08:52:37,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:37,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636823825] [2020-12-23 08:52:37,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:37,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636823825] [2020-12-23 08:52:37,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:37,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:37,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017966611] [2020-12-23 08:52:37,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:37,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:37,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:37,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:37,758 INFO L87 Difference]: Start difference. First operand 1929 states and 3473 transitions. Second operand 3 states. [2020-12-23 08:52:38,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:38,010 INFO L93 Difference]: Finished difference Result 5165 states and 9324 transitions. [2020-12-23 08:52:38,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:38,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 08:52:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:38,029 INFO L225 Difference]: With dead ends: 5165 [2020-12-23 08:52:38,030 INFO L226 Difference]: Without dead ends: 3367 [2020-12-23 08:52:38,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:38,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2020-12-23 08:52:38,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3115. [2020-12-23 08:52:38,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3115 states. [2020-12-23 08:52:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 5630 transitions. [2020-12-23 08:52:38,248 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 5630 transitions. Word has length 84 [2020-12-23 08:52:38,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:38,249 INFO L481 AbstractCegarLoop]: Abstraction has 3115 states and 5630 transitions. [2020-12-23 08:52:38,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 5630 transitions. [2020-12-23 08:52:38,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:52:38,255 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:38,256 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] [2020-12-23 08:52:38,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:52:38,256 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:38,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:38,257 INFO L82 PathProgramCache]: Analyzing trace with hash 51526644, now seen corresponding path program 1 times [2020-12-23 08:52:38,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:38,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725552747] [2020-12-23 08:52:38,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:38,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725552747] [2020-12-23 08:52:38,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:38,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:38,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901325612] [2020-12-23 08:52:38,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:38,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:38,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:38,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:38,326 INFO L87 Difference]: Start difference. First operand 3115 states and 5630 transitions. Second operand 3 states. [2020-12-23 08:52:38,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:38,690 INFO L93 Difference]: Finished difference Result 8439 states and 15278 transitions. [2020-12-23 08:52:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:38,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-23 08:52:38,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:38,722 INFO L225 Difference]: With dead ends: 8439 [2020-12-23 08:52:38,722 INFO L226 Difference]: Without dead ends: 5489 [2020-12-23 08:52:38,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:38,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5489 states. [2020-12-23 08:52:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5489 to 5237. [2020-12-23 08:52:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5237 states. [2020-12-23 08:52:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 9479 transitions. [2020-12-23 08:52:39,056 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 9479 transitions. Word has length 85 [2020-12-23 08:52:39,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:39,056 INFO L481 AbstractCegarLoop]: Abstraction has 5237 states and 9479 transitions. [2020-12-23 08:52:39,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 9479 transitions. [2020-12-23 08:52:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:52:39,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:39,065 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] [2020-12-23 08:52:39,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:52:39,066 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:39,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:39,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1527789320, now seen corresponding path program 1 times [2020-12-23 08:52:39,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:39,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601328387] [2020-12-23 08:52:39,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:52:39,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601328387] [2020-12-23 08:52:39,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:39,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:39,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849615265] [2020-12-23 08:52:39,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:39,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:39,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:39,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:39,196 INFO L87 Difference]: Start difference. First operand 5237 states and 9479 transitions. Second operand 5 states. [2020-12-23 08:52:40,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:40,187 INFO L93 Difference]: Finished difference Result 14938 states and 27068 transitions. [2020-12-23 08:52:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:52:40,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2020-12-23 08:52:40,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:40,241 INFO L225 Difference]: With dead ends: 14938 [2020-12-23 08:52:40,242 INFO L226 Difference]: Without dead ends: 9944 [2020-12-23 08:52:40,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:52:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9944 states. [2020-12-23 08:52:40,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9944 to 5237. [2020-12-23 08:52:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5237 states. [2020-12-23 08:52:40,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 9429 transitions. [2020-12-23 08:52:40,709 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 9429 transitions. Word has length 86 [2020-12-23 08:52:40,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:40,709 INFO L481 AbstractCegarLoop]: Abstraction has 5237 states and 9429 transitions. [2020-12-23 08:52:40,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:40,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 9429 transitions. [2020-12-23 08:52:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:52:40,719 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:40,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:40,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:52:40,719 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:40,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:40,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1057539641, now seen corresponding path program 1 times [2020-12-23 08:52:40,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:40,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105339432] [2020-12-23 08:52:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:40,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105339432] [2020-12-23 08:52:40,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:40,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:40,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51752048] [2020-12-23 08:52:40,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:40,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:40,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:40,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:40,812 INFO L87 Difference]: Start difference. First operand 5237 states and 9429 transitions. Second operand 3 states. [2020-12-23 08:52:41,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:41,393 INFO L93 Difference]: Finished difference Result 15263 states and 27520 transitions. [2020-12-23 08:52:41,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:41,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-23 08:52:41,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:41,422 INFO L225 Difference]: With dead ends: 15263 [2020-12-23 08:52:41,423 INFO L226 Difference]: Without dead ends: 10195 [2020-12-23 08:52:41,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:41,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10195 states. [2020-12-23 08:52:42,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10195 to 9943. [2020-12-23 08:52:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9943 states. [2020-12-23 08:52:42,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9943 states to 9943 states and 17910 transitions. [2020-12-23 08:52:42,102 INFO L78 Accepts]: Start accepts. Automaton has 9943 states and 17910 transitions. Word has length 86 [2020-12-23 08:52:42,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:42,102 INFO L481 AbstractCegarLoop]: Abstraction has 9943 states and 17910 transitions. [2020-12-23 08:52:42,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:42,102 INFO L276 IsEmpty]: Start isEmpty. Operand 9943 states and 17910 transitions. [2020-12-23 08:52:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:52:42,116 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:42,117 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:42,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:52:42,117 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:42,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:42,117 INFO L82 PathProgramCache]: Analyzing trace with hash -54924109, now seen corresponding path program 1 times [2020-12-23 08:52:42,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:42,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622009616] [2020-12-23 08:52:42,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:42,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622009616] [2020-12-23 08:52:42,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:42,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:52:42,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438108639] [2020-12-23 08:52:42,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:52:42,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:42,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:52:42,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:42,363 INFO L87 Difference]: Start difference. First operand 9943 states and 17910 transitions. Second operand 9 states. [2020-12-23 08:52:44,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:44,349 INFO L93 Difference]: Finished difference Result 20637 states and 37080 transitions. [2020-12-23 08:52:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:52:44,350 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-12-23 08:52:44,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:44,410 INFO L225 Difference]: With dead ends: 20637 [2020-12-23 08:52:44,410 INFO L226 Difference]: Without dead ends: 20416 [2020-12-23 08:52:44,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2020-12-23 08:52:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20416 states. [2020-12-23 08:52:45,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20416 to 19615. [2020-12-23 08:52:45,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19615 states. [2020-12-23 08:52:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19615 states to 19615 states and 35363 transitions. [2020-12-23 08:52:45,619 INFO L78 Accepts]: Start accepts. Automaton has 19615 states and 35363 transitions. Word has length 87 [2020-12-23 08:52:45,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:45,619 INFO L481 AbstractCegarLoop]: Abstraction has 19615 states and 35363 transitions. [2020-12-23 08:52:45,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:52:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 19615 states and 35363 transitions. [2020-12-23 08:52:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:52:45,647 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:45,647 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:45,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:52:45,648 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:45,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:45,648 INFO L82 PathProgramCache]: Analyzing trace with hash 63334743, now seen corresponding path program 1 times [2020-12-23 08:52:45,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:45,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786844279] [2020-12-23 08:52:45,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:45,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:45,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786844279] [2020-12-23 08:52:45,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:45,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:52:45,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366542002] [2020-12-23 08:52:45,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:52:45,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:45,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:52:45,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:45,799 INFO L87 Difference]: Start difference. First operand 19615 states and 35363 transitions. Second operand 9 states. [2020-12-23 08:52:46,565 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-23 08:52:48,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:48,568 INFO L93 Difference]: Finished difference Result 40836 states and 73372 transitions. [2020-12-23 08:52:48,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 08:52:48,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-12-23 08:52:48,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:48,691 INFO L225 Difference]: With dead ends: 40836 [2020-12-23 08:52:48,692 INFO L226 Difference]: Without dead ends: 40500 [2020-12-23 08:52:48,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-12-23 08:52:48,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40500 states. [2020-12-23 08:52:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40500 to 38878. [2020-12-23 08:52:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38878 states. [2020-12-23 08:52:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38878 states to 38878 states and 70127 transitions. [2020-12-23 08:52:51,117 INFO L78 Accepts]: Start accepts. Automaton has 38878 states and 70127 transitions. Word has length 88 [2020-12-23 08:52:51,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:51,117 INFO L481 AbstractCegarLoop]: Abstraction has 38878 states and 70127 transitions. [2020-12-23 08:52:51,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:52:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 38878 states and 70127 transitions. [2020-12-23 08:52:51,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:52:51,185 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:51,185 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:51,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:52:51,185 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:51,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:51,186 INFO L82 PathProgramCache]: Analyzing trace with hash 85966997, now seen corresponding path program 1 times [2020-12-23 08:52:51,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:51,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182864568] [2020-12-23 08:52:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:51,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:51,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182864568] [2020-12-23 08:52:51,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:51,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:52:51,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578706968] [2020-12-23 08:52:51,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:52:51,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:51,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:52:51,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:51,564 INFO L87 Difference]: Start difference. First operand 38878 states and 70127 transitions. Second operand 9 states. [2020-12-23 08:52:53,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:53,425 INFO L93 Difference]: Finished difference Result 40736 states and 73271 transitions. [2020-12-23 08:52:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:52:53,426 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-12-23 08:52:53,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:53,528 INFO L225 Difference]: With dead ends: 40736 [2020-12-23 08:52:53,529 INFO L226 Difference]: Without dead ends: 40253 [2020-12-23 08:52:53,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-12-23 08:52:53,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40253 states. [2020-12-23 08:52:55,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40253 to 38888. [2020-12-23 08:52:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38888 states. [2020-12-23 08:52:55,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38888 states to 38888 states and 70137 transitions. [2020-12-23 08:52:55,481 INFO L78 Accepts]: Start accepts. Automaton has 38888 states and 70137 transitions. Word has length 88 [2020-12-23 08:52:55,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:55,481 INFO L481 AbstractCegarLoop]: Abstraction has 38888 states and 70137 transitions. [2020-12-23 08:52:55,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:52:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 38888 states and 70137 transitions. [2020-12-23 08:52:55,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:52:55,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:55,544 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:55,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:52:55,545 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:55,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:55,545 INFO L82 PathProgramCache]: Analyzing trace with hash -308586887, now seen corresponding path program 1 times [2020-12-23 08:52:55,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:55,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655136493] [2020-12-23 08:52:55,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:55,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655136493] [2020-12-23 08:52:55,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:55,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:52:55,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49387805] [2020-12-23 08:52:55,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:52:55,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:55,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:52:55,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:52:55,646 INFO L87 Difference]: Start difference. First operand 38888 states and 70137 transitions. Second operand 8 states. [2020-12-23 08:52:57,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:57,274 INFO L93 Difference]: Finished difference Result 39586 states and 71318 transitions. [2020-12-23 08:52:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 08:52:57,274 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-12-23 08:52:57,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:57,345 INFO L225 Difference]: With dead ends: 39586 [2020-12-23 08:52:57,346 INFO L226 Difference]: Without dead ends: 38965 [2020-12-23 08:52:57,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2020-12-23 08:52:57,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38965 states. [2020-12-23 08:52:59,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38965 to 38861. [2020-12-23 08:52:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38861 states. [2020-12-23 08:52:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38861 states to 38861 states and 70082 transitions. [2020-12-23 08:52:59,200 INFO L78 Accepts]: Start accepts. Automaton has 38861 states and 70082 transitions. Word has length 89 [2020-12-23 08:52:59,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:59,201 INFO L481 AbstractCegarLoop]: Abstraction has 38861 states and 70082 transitions. [2020-12-23 08:52:59,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:52:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38861 states and 70082 transitions. [2020-12-23 08:52:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:52:59,225 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:59,225 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:59,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:52:59,226 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:59,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:59,226 INFO L82 PathProgramCache]: Analyzing trace with hash 947194323, now seen corresponding path program 1 times [2020-12-23 08:52:59,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:59,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902709110] [2020-12-23 08:52:59,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:59,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902709110] [2020-12-23 08:52:59,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:59,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:52:59,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196069258] [2020-12-23 08:52:59,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:59,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:59,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:59,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:59,371 INFO L87 Difference]: Start difference. First operand 38861 states and 70082 transitions. Second operand 5 states. [2020-12-23 08:53:01,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:01,321 INFO L93 Difference]: Finished difference Result 41499 states and 74508 transitions. [2020-12-23 08:53:01,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:53:01,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-12-23 08:53:01,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:01,387 INFO L225 Difference]: With dead ends: 41499 [2020-12-23 08:53:01,387 INFO L226 Difference]: Without dead ends: 41110 [2020-12-23 08:53:01,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:53:01,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41110 states. [2020-12-23 08:53:02,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41110 to 39359. [2020-12-23 08:53:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39359 states. [2020-12-23 08:53:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39359 states to 39359 states and 70903 transitions. [2020-12-23 08:53:03,160 INFO L78 Accepts]: Start accepts. Automaton has 39359 states and 70903 transitions. Word has length 89 [2020-12-23 08:53:03,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:03,161 INFO L481 AbstractCegarLoop]: Abstraction has 39359 states and 70903 transitions. [2020-12-23 08:53:03,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 39359 states and 70903 transitions. [2020-12-23 08:53:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:53:03,200 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:03,200 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] [2020-12-23 08:53:03,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:53:03,200 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:03,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:03,201 INFO L82 PathProgramCache]: Analyzing trace with hash -684477359, now seen corresponding path program 1 times [2020-12-23 08:53:03,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:03,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920148124] [2020-12-23 08:53:03,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:03,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920148124] [2020-12-23 08:53:03,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:03,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:53:03,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093251947] [2020-12-23 08:53:03,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:53:03,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:03,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:53:03,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:53:03,317 INFO L87 Difference]: Start difference. First operand 39359 states and 70903 transitions. Second operand 7 states. [2020-12-23 08:53:05,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:05,049 INFO L93 Difference]: Finished difference Result 41081 states and 73771 transitions. [2020-12-23 08:53:05,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:53:05,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-12-23 08:53:05,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:05,114 INFO L225 Difference]: With dead ends: 41081 [2020-12-23 08:53:05,115 INFO L226 Difference]: Without dead ends: 40598 [2020-12-23 08:53:05,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:53:05,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40598 states. [2020-12-23 08:53:06,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40598 to 39377. [2020-12-23 08:53:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39377 states. [2020-12-23 08:53:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39377 states to 39377 states and 70921 transitions. [2020-12-23 08:53:06,934 INFO L78 Accepts]: Start accepts. Automaton has 39377 states and 70921 transitions. Word has length 90 [2020-12-23 08:53:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:06,934 INFO L481 AbstractCegarLoop]: Abstraction has 39377 states and 70921 transitions. [2020-12-23 08:53:06,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:53:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 39377 states and 70921 transitions. [2020-12-23 08:53:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:53:06,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:06,961 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] [2020-12-23 08:53:06,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:53:06,962 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:06,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:06,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1451245802, now seen corresponding path program 1 times [2020-12-23 08:53:06,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:06,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189244836] [2020-12-23 08:53:06,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:07,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189244836] [2020-12-23 08:53:07,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:07,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:53:07,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62933895] [2020-12-23 08:53:07,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:53:07,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:07,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:53:07,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:53:07,093 INFO L87 Difference]: Start difference. First operand 39377 states and 70921 transitions. Second operand 10 states. [2020-12-23 08:53:09,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:09,008 INFO L93 Difference]: Finished difference Result 40358 states and 72544 transitions. [2020-12-23 08:53:09,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 08:53:09,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-12-23 08:53:09,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:09,057 INFO L225 Difference]: With dead ends: 40358 [2020-12-23 08:53:09,058 INFO L226 Difference]: Without dead ends: 39433 [2020-12-23 08:53:09,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:53:09,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39433 states. [2020-12-23 08:53:10,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39433 to 39337. [2020-12-23 08:53:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39337 states. [2020-12-23 08:53:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39337 states to 39337 states and 70841 transitions. [2020-12-23 08:53:10,750 INFO L78 Accepts]: Start accepts. Automaton has 39337 states and 70841 transitions. Word has length 90 [2020-12-23 08:53:10,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:10,751 INFO L481 AbstractCegarLoop]: Abstraction has 39337 states and 70841 transitions. [2020-12-23 08:53:10,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:53:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 39337 states and 70841 transitions. [2020-12-23 08:53:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:53:10,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:10,775 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] [2020-12-23 08:53:10,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:53:10,775 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:10,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:10,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1614966497, now seen corresponding path program 1 times [2020-12-23 08:53:10,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:10,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72976136] [2020-12-23 08:53:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:10,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72976136] [2020-12-23 08:53:10,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:10,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:53:10,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721657375] [2020-12-23 08:53:10,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:53:10,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:10,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:53:10,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:53:10,839 INFO L87 Difference]: Start difference. First operand 39337 states and 70841 transitions. Second operand 4 states. [2020-12-23 08:53:12,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:12,621 INFO L93 Difference]: Finished difference Result 42249 states and 75515 transitions. [2020-12-23 08:53:12,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:53:12,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2020-12-23 08:53:12,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:12,678 INFO L225 Difference]: With dead ends: 42249 [2020-12-23 08:53:12,678 INFO L226 Difference]: Without dead ends: 41216 [2020-12-23 08:53:12,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:12,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41216 states. [2020-12-23 08:53:14,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41216 to 39349. [2020-12-23 08:53:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39349 states. [2020-12-23 08:53:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39349 states to 39349 states and 70853 transitions. [2020-12-23 08:53:14,304 INFO L78 Accepts]: Start accepts. Automaton has 39349 states and 70853 transitions. Word has length 92 [2020-12-23 08:53:14,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:14,304 INFO L481 AbstractCegarLoop]: Abstraction has 39349 states and 70853 transitions. [2020-12-23 08:53:14,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:53:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 39349 states and 70853 transitions. [2020-12-23 08:53:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:53:14,331 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:14,331 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] [2020-12-23 08:53:14,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:53:14,331 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:14,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:14,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1062293033, now seen corresponding path program 1 times [2020-12-23 08:53:14,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:14,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998544073] [2020-12-23 08:53:14,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:14,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998544073] [2020-12-23 08:53:14,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:14,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:53:14,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737707507] [2020-12-23 08:53:14,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:53:14,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:14,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:53:14,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:53:14,418 INFO L87 Difference]: Start difference. First operand 39349 states and 70853 transitions. Second operand 7 states. [2020-12-23 08:53:16,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:16,127 INFO L93 Difference]: Finished difference Result 40823 states and 73230 transitions. [2020-12-23 08:53:16,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:53:16,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-12-23 08:53:16,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:16,181 INFO L225 Difference]: With dead ends: 40823 [2020-12-23 08:53:16,182 INFO L226 Difference]: Without dead ends: 39746 [2020-12-23 08:53:16,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:53:16,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39746 states. [2020-12-23 08:53:17,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39746 to 39291. [2020-12-23 08:53:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39291 states. [2020-12-23 08:53:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39291 states to 39291 states and 70746 transitions. [2020-12-23 08:53:17,897 INFO L78 Accepts]: Start accepts. Automaton has 39291 states and 70746 transitions. Word has length 92 [2020-12-23 08:53:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:17,897 INFO L481 AbstractCegarLoop]: Abstraction has 39291 states and 70746 transitions. [2020-12-23 08:53:17,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:53:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 39291 states and 70746 transitions. [2020-12-23 08:53:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:53:17,922 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:17,922 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] [2020-12-23 08:53:17,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:53:17,922 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:17,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:17,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1958400256, now seen corresponding path program 1 times [2020-12-23 08:53:17,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:17,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399797211] [2020-12-23 08:53:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:17,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399797211] [2020-12-23 08:53:17,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:17,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:53:17,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932508921] [2020-12-23 08:53:17,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:53:17,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:17,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:53:17,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:53:17,986 INFO L87 Difference]: Start difference. First operand 39291 states and 70746 transitions. Second operand 4 states. [2020-12-23 08:53:19,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:19,418 INFO L93 Difference]: Finished difference Result 39697 states and 71411 transitions. [2020-12-23 08:53:19,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:53:19,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2020-12-23 08:53:19,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:19,468 INFO L225 Difference]: With dead ends: 39697 [2020-12-23 08:53:19,468 INFO L226 Difference]: Without dead ends: 39290 [2020-12-23 08:53:19,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:19,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39290 states. [2020-12-23 08:53:21,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39290 to 39290. [2020-12-23 08:53:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39290 states. [2020-12-23 08:53:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39290 states to 39290 states and 70740 transitions. [2020-12-23 08:53:21,129 INFO L78 Accepts]: Start accepts. Automaton has 39290 states and 70740 transitions. Word has length 92 [2020-12-23 08:53:21,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:21,129 INFO L481 AbstractCegarLoop]: Abstraction has 39290 states and 70740 transitions. [2020-12-23 08:53:21,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:53:21,129 INFO L276 IsEmpty]: Start isEmpty. Operand 39290 states and 70740 transitions. [2020-12-23 08:53:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:53:21,166 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:21,166 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] [2020-12-23 08:53:21,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:53:21,166 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:21,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:21,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1513096578, now seen corresponding path program 1 times [2020-12-23 08:53:21,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:21,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925780201] [2020-12-23 08:53:21,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:21,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925780201] [2020-12-23 08:53:21,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:21,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:53:21,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905186456] [2020-12-23 08:53:21,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:21,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:21,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:21,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:21,286 INFO L87 Difference]: Start difference. First operand 39290 states and 70740 transitions. Second operand 5 states. [2020-12-23 08:53:23,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:23,253 INFO L93 Difference]: Finished difference Result 41524 states and 74326 transitions. [2020-12-23 08:53:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:53:23,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-12-23 08:53:23,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:23,309 INFO L225 Difference]: With dead ends: 41524 [2020-12-23 08:53:23,309 INFO L226 Difference]: Without dead ends: 41071 [2020-12-23 08:53:23,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:53:23,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41071 states. [2020-12-23 08:53:25,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41071 to 39790. [2020-12-23 08:53:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39790 states. [2020-12-23 08:53:25,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39790 states to 39790 states and 71542 transitions. [2020-12-23 08:53:25,061 INFO L78 Accepts]: Start accepts. Automaton has 39790 states and 71542 transitions. Word has length 93 [2020-12-23 08:53:25,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:25,061 INFO L481 AbstractCegarLoop]: Abstraction has 39790 states and 71542 transitions. [2020-12-23 08:53:25,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 39790 states and 71542 transitions. [2020-12-23 08:53:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:53:25,095 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:25,095 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] [2020-12-23 08:53:25,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:53:25,095 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:25,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:25,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1762749206, now seen corresponding path program 1 times [2020-12-23 08:53:25,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:25,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871077343] [2020-12-23 08:53:25,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:25,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871077343] [2020-12-23 08:53:25,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:25,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:53:25,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110843394] [2020-12-23 08:53:25,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:53:25,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:25,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:53:25,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:53:25,224 INFO L87 Difference]: Start difference. First operand 39790 states and 71542 transitions. Second operand 11 states. [2020-12-23 08:53:27,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:27,074 INFO L93 Difference]: Finished difference Result 40605 states and 72847 transitions. [2020-12-23 08:53:27,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:53:27,074 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2020-12-23 08:53:27,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:27,124 INFO L225 Difference]: With dead ends: 40605 [2020-12-23 08:53:27,124 INFO L226 Difference]: Without dead ends: 39648 [2020-12-23 08:53:27,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2020-12-23 08:53:27,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39648 states. [2020-12-23 08:53:28,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39648 to 39630. [2020-12-23 08:53:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39630 states. [2020-12-23 08:53:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39630 states to 39630 states and 71246 transitions. [2020-12-23 08:53:28,917 INFO L78 Accepts]: Start accepts. Automaton has 39630 states and 71246 transitions. Word has length 94 [2020-12-23 08:53:28,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:28,921 INFO L481 AbstractCegarLoop]: Abstraction has 39630 states and 71246 transitions. [2020-12-23 08:53:28,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:53:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 39630 states and 71246 transitions. [2020-12-23 08:53:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 08:53:28,957 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:28,958 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] [2020-12-23 08:53:28,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:53:28,958 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:28,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:28,958 INFO L82 PathProgramCache]: Analyzing trace with hash -681809551, now seen corresponding path program 1 times [2020-12-23 08:53:28,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:28,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269430292] [2020-12-23 08:53:28,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:29,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:29,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269430292] [2020-12-23 08:53:29,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:29,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:53:29,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097533944] [2020-12-23 08:53:29,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:29,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:29,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:29,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:29,060 INFO L87 Difference]: Start difference. First operand 39630 states and 71246 transitions. Second operand 5 states. [2020-12-23 08:53:31,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:31,153 INFO L93 Difference]: Finished difference Result 43468 states and 77253 transitions. [2020-12-23 08:53:31,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:53:31,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-12-23 08:53:31,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:31,209 INFO L225 Difference]: With dead ends: 43468 [2020-12-23 08:53:31,209 INFO L226 Difference]: Without dead ends: 42447 [2020-12-23 08:53:31,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:53:31,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42447 states. [2020-12-23 08:53:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42447 to 40982. [2020-12-23 08:53:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40982 states. [2020-12-23 08:53:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40982 states to 40982 states and 73365 transitions. [2020-12-23 08:53:33,150 INFO L78 Accepts]: Start accepts. Automaton has 40982 states and 73365 transitions. Word has length 106 [2020-12-23 08:53:33,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:33,150 INFO L481 AbstractCegarLoop]: Abstraction has 40982 states and 73365 transitions. [2020-12-23 08:53:33,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 40982 states and 73365 transitions. [2020-12-23 08:53:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 08:53:33,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:33,189 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] [2020-12-23 08:53:33,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:53:33,189 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:33,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:33,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1837746286, now seen corresponding path program 1 times [2020-12-23 08:53:33,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:33,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947649683] [2020-12-23 08:53:33,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:33,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947649683] [2020-12-23 08:53:33,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:33,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:53:33,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661904312] [2020-12-23 08:53:33,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:53:33,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:33,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:53:33,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:53:33,332 INFO L87 Difference]: Start difference. First operand 40982 states and 73365 transitions. Second operand 11 states. [2020-12-23 08:53:35,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:35,786 INFO L93 Difference]: Finished difference Result 42763 states and 76163 transitions. [2020-12-23 08:53:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 08:53:35,787 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-12-23 08:53:35,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:35,843 INFO L225 Difference]: With dead ends: 42763 [2020-12-23 08:53:35,844 INFO L226 Difference]: Without dead ends: 40716 [2020-12-23 08:53:35,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2020-12-23 08:53:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40716 states. [2020-12-23 08:53:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40716 to 40311. [2020-12-23 08:53:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40311 states. [2020-12-23 08:53:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40311 states to 40311 states and 72236 transitions. [2020-12-23 08:53:37,692 INFO L78 Accepts]: Start accepts. Automaton has 40311 states and 72236 transitions. Word has length 107 [2020-12-23 08:53:37,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:37,692 INFO L481 AbstractCegarLoop]: Abstraction has 40311 states and 72236 transitions. [2020-12-23 08:53:37,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:53:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 40311 states and 72236 transitions. [2020-12-23 08:53:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 08:53:37,732 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:37,732 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] [2020-12-23 08:53:37,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 08:53:37,733 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:37,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:37,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1805037927, now seen corresponding path program 1 times [2020-12-23 08:53:37,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:37,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464139129] [2020-12-23 08:53:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:37,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464139129] [2020-12-23 08:53:37,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:37,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:53:37,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547039728] [2020-12-23 08:53:37,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:53:37,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:37,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:53:37,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:53:37,880 INFO L87 Difference]: Start difference. First operand 40311 states and 72236 transitions. Second operand 11 states. [2020-12-23 08:53:40,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:40,433 INFO L93 Difference]: Finished difference Result 42654 states and 75939 transitions. [2020-12-23 08:53:40,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 08:53:40,434 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2020-12-23 08:53:40,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:40,490 INFO L225 Difference]: With dead ends: 42654 [2020-12-23 08:53:40,490 INFO L226 Difference]: Without dead ends: 41717 [2020-12-23 08:53:40,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2020-12-23 08:53:40,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41717 states. [2020-12-23 08:53:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41717 to 40476. [2020-12-23 08:53:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40476 states. [2020-12-23 08:53:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40476 states to 40476 states and 72493 transitions. [2020-12-23 08:53:42,370 INFO L78 Accepts]: Start accepts. Automaton has 40476 states and 72493 transitions. Word has length 109 [2020-12-23 08:53:42,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:42,370 INFO L481 AbstractCegarLoop]: Abstraction has 40476 states and 72493 transitions. [2020-12-23 08:53:42,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:53:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 40476 states and 72493 transitions. [2020-12-23 08:53:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 08:53:42,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:42,410 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] [2020-12-23 08:53:42,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 08:53:42,410 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:42,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:42,411 INFO L82 PathProgramCache]: Analyzing trace with hash 996655953, now seen corresponding path program 1 times [2020-12-23 08:53:42,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:42,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069415918] [2020-12-23 08:53:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:42,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069415918] [2020-12-23 08:53:42,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:42,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:53:42,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183497206] [2020-12-23 08:53:42,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:53:42,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:42,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:53:42,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:53:42,552 INFO L87 Difference]: Start difference. First operand 40476 states and 72493 transitions. Second operand 10 states. [2020-12-23 08:53:45,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:45,051 INFO L93 Difference]: Finished difference Result 43142 states and 76707 transitions. [2020-12-23 08:53:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 08:53:45,051 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-12-23 08:53:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:45,104 INFO L225 Difference]: With dead ends: 43142 [2020-12-23 08:53:45,104 INFO L226 Difference]: Without dead ends: 42071 [2020-12-23 08:53:45,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:53:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42071 states. [2020-12-23 08:53:47,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42071 to 40647. [2020-12-23 08:53:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40647 states. [2020-12-23 08:53:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40647 states to 40647 states and 72748 transitions. [2020-12-23 08:53:47,110 INFO L78 Accepts]: Start accepts. Automaton has 40647 states and 72748 transitions. Word has length 110 [2020-12-23 08:53:47,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:47,110 INFO L481 AbstractCegarLoop]: Abstraction has 40647 states and 72748 transitions. [2020-12-23 08:53:47,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:53:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 40647 states and 72748 transitions. [2020-12-23 08:53:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 08:53:47,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:47,148 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] [2020-12-23 08:53:47,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 08:53:47,148 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:47,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:47,149 INFO L82 PathProgramCache]: Analyzing trace with hash -317708195, now seen corresponding path program 1 times [2020-12-23 08:53:47,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:47,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152989622] [2020-12-23 08:53:47,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:47,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152989622] [2020-12-23 08:53:47,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:47,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:53:47,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092720490] [2020-12-23 08:53:47,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:53:47,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:47,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:53:47,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:53:47,322 INFO L87 Difference]: Start difference. First operand 40647 states and 72748 transitions. Second operand 12 states. [2020-12-23 08:53:57,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:57,305 INFO L93 Difference]: Finished difference Result 138065 states and 243467 transitions. [2020-12-23 08:53:57,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 08:53:57,305 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2020-12-23 08:53:57,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:57,541 INFO L225 Difference]: With dead ends: 138065 [2020-12-23 08:53:57,542 INFO L226 Difference]: Without dead ends: 136882 [2020-12-23 08:53:57,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=420, Invalid=912, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:53:57,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136882 states. [2020-12-23 08:54:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136882 to 82895. [2020-12-23 08:54:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82895 states. [2020-12-23 08:54:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82895 states to 82895 states and 147881 transitions. [2020-12-23 08:54:02,875 INFO L78 Accepts]: Start accepts. Automaton has 82895 states and 147881 transitions. Word has length 110 [2020-12-23 08:54:02,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:02,875 INFO L481 AbstractCegarLoop]: Abstraction has 82895 states and 147881 transitions. [2020-12-23 08:54:02,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:54:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 82895 states and 147881 transitions. [2020-12-23 08:54:02,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 08:54:02,957 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:02,957 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] [2020-12-23 08:54:02,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-23 08:54:02,957 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:02,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:02,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1420847492, now seen corresponding path program 1 times [2020-12-23 08:54:02,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:02,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639763585] [2020-12-23 08:54:02,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:54:03,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639763585] [2020-12-23 08:54:03,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:03,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:54:03,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673838017] [2020-12-23 08:54:03,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:54:03,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:03,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:54:03,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:54:03,115 INFO L87 Difference]: Start difference. First operand 82895 states and 147881 transitions. Second operand 12 states. [2020-12-23 08:54:20,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:20,388 INFO L93 Difference]: Finished difference Result 232126 states and 408464 transitions. [2020-12-23 08:54:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 08:54:20,389 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-12-23 08:54:20,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:20,845 INFO L225 Difference]: With dead ends: 232126 [2020-12-23 08:54:20,846 INFO L226 Difference]: Without dead ends: 229715 [2020-12-23 08:54:20,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=420, Invalid=912, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:54:21,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229715 states. [2020-12-23 08:54:31,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229715 to 166774. [2020-12-23 08:54:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166774 states. [2020-12-23 08:54:31,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166774 states to 166774 states and 297077 transitions. [2020-12-23 08:54:31,998 INFO L78 Accepts]: Start accepts. Automaton has 166774 states and 297077 transitions. Word has length 111 [2020-12-23 08:54:31,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:31,999 INFO L481 AbstractCegarLoop]: Abstraction has 166774 states and 297077 transitions. [2020-12-23 08:54:31,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:54:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 166774 states and 297077 transitions. [2020-12-23 08:54:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 08:54:32,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:32,539 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] [2020-12-23 08:54:32,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-23 08:54:32,539 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:32,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:32,540 INFO L82 PathProgramCache]: Analyzing trace with hash 603199042, now seen corresponding path program 1 times [2020-12-23 08:54:32,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:32,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240253182] [2020-12-23 08:54:32,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:54:32,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240253182] [2020-12-23 08:54:32,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:32,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:54:32,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783913815] [2020-12-23 08:54:32,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:54:32,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:32,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:54:32,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:54:32,625 INFO L87 Difference]: Start difference. First operand 166774 states and 297077 transitions. Second operand 4 states. [2020-12-23 08:54:44,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:44,712 INFO L93 Difference]: Finished difference Result 186728 states and 327419 transitions. [2020-12-23 08:54:44,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:54:44,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-12-23 08:54:44,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:45,166 INFO L225 Difference]: With dead ends: 186728 [2020-12-23 08:54:45,167 INFO L226 Difference]: Without dead ends: 179888 [2020-12-23 08:54:45,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:54:45,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179888 states. [2020-12-23 08:54:57,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179888 to 166902. [2020-12-23 08:54:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166902 states. [2020-12-23 08:54:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166902 states to 166902 states and 297205 transitions. [2020-12-23 08:54:57,871 INFO L78 Accepts]: Start accepts. Automaton has 166902 states and 297205 transitions. Word has length 111 [2020-12-23 08:54:57,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:57,872 INFO L481 AbstractCegarLoop]: Abstraction has 166902 states and 297205 transitions. [2020-12-23 08:54:57,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:54:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 166902 states and 297205 transitions. [2020-12-23 08:54:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 08:54:58,041 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:58,042 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] [2020-12-23 08:54:58,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-23 08:54:58,042 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:58,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:58,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1284587588, now seen corresponding path program 1 times [2020-12-23 08:54:58,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:58,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142808773] [2020-12-23 08:54:58,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:54:58,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142808773] [2020-12-23 08:54:58,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:58,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:54:58,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445179326] [2020-12-23 08:54:58,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:54:58,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:58,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:54:58,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:54:58,183 INFO L87 Difference]: Start difference. First operand 166902 states and 297205 transitions. Second operand 11 states. [2020-12-23 08:55:09,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:09,472 INFO L93 Difference]: Finished difference Result 178988 states and 316169 transitions. [2020-12-23 08:55:09,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 08:55:09,472 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2020-12-23 08:55:09,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:09,781 INFO L225 Difference]: With dead ends: 178988 [2020-12-23 08:55:09,781 INFO L226 Difference]: Without dead ends: 171572 [2020-12-23 08:55:09,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2020-12-23 08:55:09,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171572 states. [2020-12-23 08:55:19,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171572 to 166240. [2020-12-23 08:55:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166240 states. [2020-12-23 08:55:20,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166240 states to 166240 states and 296085 transitions. [2020-12-23 08:55:20,152 INFO L78 Accepts]: Start accepts. Automaton has 166240 states and 296085 transitions. Word has length 111 [2020-12-23 08:55:20,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:20,154 INFO L481 AbstractCegarLoop]: Abstraction has 166240 states and 296085 transitions. [2020-12-23 08:55:20,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:55:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 166240 states and 296085 transitions. [2020-12-23 08:55:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 08:55:20,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:20,641 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] [2020-12-23 08:55:20,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-23 08:55:20,642 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:20,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:20,642 INFO L82 PathProgramCache]: Analyzing trace with hash 634229758, now seen corresponding path program 1 times [2020-12-23 08:55:20,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:20,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100382845] [2020-12-23 08:55:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:55:20,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100382845] [2020-12-23 08:55:20,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:20,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:55:20,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737920780] [2020-12-23 08:55:20,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:55:20,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:20,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:55:20,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:55:20,740 INFO L87 Difference]: Start difference. First operand 166240 states and 296085 transitions. Second operand 8 states. [2020-12-23 08:55:30,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:30,320 INFO L93 Difference]: Finished difference Result 182795 states and 321308 transitions. [2020-12-23 08:55:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:55:30,321 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-12-23 08:55:30,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:30,621 INFO L225 Difference]: With dead ends: 182795 [2020-12-23 08:55:30,622 INFO L226 Difference]: Without dead ends: 168625 [2020-12-23 08:55:30,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-12-23 08:55:30,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168625 states. [2020-12-23 08:55:40,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168625 to 166168. [2020-12-23 08:55:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166168 states. [2020-12-23 08:55:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166168 states to 166168 states and 295827 transitions. [2020-12-23 08:55:41,047 INFO L78 Accepts]: Start accepts. Automaton has 166168 states and 295827 transitions. Word has length 111 [2020-12-23 08:55:41,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:41,047 INFO L481 AbstractCegarLoop]: Abstraction has 166168 states and 295827 transitions. [2020-12-23 08:55:41,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:55:41,047 INFO L276 IsEmpty]: Start isEmpty. Operand 166168 states and 295827 transitions. [2020-12-23 08:55:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 08:55:41,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:41,216 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] [2020-12-23 08:55:41,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-23 08:55:41,216 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:41,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:41,217 INFO L82 PathProgramCache]: Analyzing trace with hash -533684205, now seen corresponding path program 1 times [2020-12-23 08:55:41,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:41,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656403122] [2020-12-23 08:55:41,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:55:41,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656403122] [2020-12-23 08:55:41,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:41,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:55:41,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659268560] [2020-12-23 08:55:41,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:55:41,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:41,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:55:41,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:55:41,321 INFO L87 Difference]: Start difference. First operand 166168 states and 295827 transitions. Second operand 7 states. [2020-12-23 08:55:50,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:50,312 INFO L93 Difference]: Finished difference Result 172672 states and 306098 transitions. [2020-12-23 08:55:50,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:55:50,313 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-12-23 08:55:50,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:50,618 INFO L225 Difference]: With dead ends: 172672 [2020-12-23 08:55:50,618 INFO L226 Difference]: Without dead ends: 163698 [2020-12-23 08:55:50,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:55:50,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163698 states. [2020-12-23 08:55:59,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163698 to 161207. [2020-12-23 08:55:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161207 states. [2020-12-23 08:56:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161207 states to 161207 states and 288345 transitions. [2020-12-23 08:56:00,142 INFO L78 Accepts]: Start accepts. Automaton has 161207 states and 288345 transitions. Word has length 111 [2020-12-23 08:56:00,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:00,154 INFO L481 AbstractCegarLoop]: Abstraction has 161207 states and 288345 transitions. [2020-12-23 08:56:00,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:56:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 161207 states and 288345 transitions. [2020-12-23 08:56:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 08:56:00,317 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:00,318 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] [2020-12-23 08:56:00,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-12-23 08:56:00,318 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:00,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:00,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1542592354, now seen corresponding path program 1 times [2020-12-23 08:56:00,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:00,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543880571] [2020-12-23 08:56:00,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:56:00,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543880571] [2020-12-23 08:56:00,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:00,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:00,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387907552] [2020-12-23 08:56:00,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:00,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:00,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:00,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:00,370 INFO L87 Difference]: Start difference. First operand 161207 states and 288345 transitions. Second operand 3 states.