/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_spec9_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:06:42,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:06:42,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:06:42,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:06:42,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:06:42,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:06:42,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:06:42,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:06:42,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:06:42,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:06:42,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:06:42,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:06:42,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:06:42,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:06:42,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:06:42,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:06:42,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:06:42,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:06:42,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:06:42,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:06:42,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:06:42,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:06:42,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:06:42,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:06:42,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:06:42,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:06:42,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:06:42,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:06:42,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:06:42,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:06:42,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:06:42,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:06:42,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:06:42,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:06:42,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:06:42,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:06:42,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:06:42,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:06:42,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:06:42,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:06:42,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:06:42,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:06:42,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:06:42,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:06:42,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:06:42,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:06:42,924 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:06:42,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:06:42,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:06:42,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:06:42,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:06:42,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:06:42,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:06:42,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:06:42,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:06:42,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:06:42,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:06:42,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:06:42,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:06:42,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:06:42,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:06:42,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:06:42,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:06:42,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:06:42,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:06:42,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:06:42,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:06:42,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:06:43,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:06:43,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:06:43,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:06:43,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:06:43,358 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:06:43,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product26.cil.c [2021-01-06 19:06:43,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a060c2035/a16d30edab45431a9cc89d7c863b849c/FLAG9d32f1a85 [2021-01-06 19:06:44,257 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:06:44,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product26.cil.c [2021-01-06 19:06:44,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a060c2035/a16d30edab45431a9cc89d7c863b849c/FLAG9d32f1a85 [2021-01-06 19:06:44,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a060c2035/a16d30edab45431a9cc89d7c863b849c [2021-01-06 19:06:44,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:06:44,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:06:44,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:06:44,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:06:44,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:06:44,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:06:44" (1/1) ... [2021-01-06 19:06:44,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7457c64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:44, skipping insertion in model container [2021-01-06 19:06:44,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:06:44" (1/1) ... [2021-01-06 19:06:44,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:06:44,543 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] 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_tmp9~0,] 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_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_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~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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_13~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] [2021-01-06 19:06:44,996 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_spec9_product26.cil.c[24625,24638] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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~22,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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] [2021-01-06 19:06:45,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:06:45,262 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] 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_tmp9~0,] 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_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_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~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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_13~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] [2021-01-06 19:06:45,401 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_spec9_product26.cil.c[24625,24638] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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~22,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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] [2021-01-06 19:06:45,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:06:45,658 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:06:45,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45 WrapperNode [2021-01-06 19:06:45,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:06:45,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:06:45,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:06:45,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:06:45,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:45,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:45,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:06:45,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:06:45,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:06:45,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:06:45,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:45,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:46,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:46,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:46,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:46,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:46,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... [2021-01-06 19:06:46,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:06:46,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:06:46,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:06:46,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:06:46,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:06:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 19:06:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:06:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:06:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:06:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:06:49,811 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:06:49,812 INFO L299 CfgBuilder]: Removed 725 assume(true) statements. [2021-01-06 19:06:49,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:06:49 BoogieIcfgContainer [2021-01-06 19:06:49,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:06:49,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:06:49,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:06:49,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:06:49,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:06:44" (1/3) ... [2021-01-06 19:06:49,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572e57d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:06:49, skipping insertion in model container [2021-01-06 19:06:49,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:45" (2/3) ... [2021-01-06 19:06:49,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572e57d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:06:49, skipping insertion in model container [2021-01-06 19:06:49,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:06:49" (3/3) ... [2021-01-06 19:06:49,827 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product26.cil.c [2021-01-06 19:06:49,834 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:06:49,841 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 19:06:49,863 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 19:06:49,901 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:06:49,901 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:06:49,901 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:06:49,902 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:06:49,902 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:06:49,902 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:06:49,902 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:06:49,902 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:06:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states. [2021-01-06 19:06:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 19:06:49,964 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:49,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:49,968 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:49,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1931887788, now seen corresponding path program 1 times [2021-01-06 19:06:49,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:49,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026955211] [2021-01-06 19:06:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:50,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:50,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026955211] [2021-01-06 19:06:50,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:50,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:50,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024237291] [2021-01-06 19:06:50,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:50,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:50,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:50,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:50,466 INFO L87 Difference]: Start difference. First operand 1038 states. Second operand 3 states. [2021-01-06 19:06:50,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:50,647 INFO L93 Difference]: Finished difference Result 3079 states and 5291 transitions. [2021-01-06 19:06:50,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:50,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 19:06:50,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:50,683 INFO L225 Difference]: With dead ends: 3079 [2021-01-06 19:06:50,684 INFO L226 Difference]: Without dead ends: 1752 [2021-01-06 19:06:50,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:50,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2021-01-06 19:06:50,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 885. [2021-01-06 19:06:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2021-01-06 19:06:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1520 transitions. [2021-01-06 19:06:50,830 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1520 transitions. Word has length 44 [2021-01-06 19:06:50,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:50,831 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1520 transitions. [2021-01-06 19:06:50,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1520 transitions. [2021-01-06 19:06:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 19:06:50,841 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:50,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:50,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:06:50,842 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:50,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:50,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1357793597, now seen corresponding path program 1 times [2021-01-06 19:06:50,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:50,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029569557] [2021-01-06 19:06:50,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:51,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029569557] [2021-01-06 19:06:51,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:51,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:51,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476364462] [2021-01-06 19:06:51,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:51,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:51,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:51,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:51,080 INFO L87 Difference]: Start difference. First operand 885 states and 1520 transitions. Second operand 5 states. [2021-01-06 19:06:51,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:51,415 INFO L93 Difference]: Finished difference Result 2604 states and 4476 transitions. [2021-01-06 19:06:51,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:06:51,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 19:06:51,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:51,431 INFO L225 Difference]: With dead ends: 2604 [2021-01-06 19:06:51,431 INFO L226 Difference]: Without dead ends: 1738 [2021-01-06 19:06:51,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:06:51,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2021-01-06 19:06:51,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 885. [2021-01-06 19:06:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2021-01-06 19:06:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1519 transitions. [2021-01-06 19:06:51,484 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1519 transitions. Word has length 46 [2021-01-06 19:06:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:51,484 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1519 transitions. [2021-01-06 19:06:51,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1519 transitions. [2021-01-06 19:06:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 19:06:51,489 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:51,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:51,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:06:51,490 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:51,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:51,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1466918346, now seen corresponding path program 1 times [2021-01-06 19:06:51,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:51,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104516439] [2021-01-06 19:06:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:51,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:51,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104516439] [2021-01-06 19:06:51,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:51,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:51,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161017443] [2021-01-06 19:06:51,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:51,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:51,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:51,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:51,649 INFO L87 Difference]: Start difference. First operand 885 states and 1519 transitions. Second operand 3 states. [2021-01-06 19:06:51,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:51,718 INFO L93 Difference]: Finished difference Result 1752 states and 3012 transitions. [2021-01-06 19:06:51,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:51,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 19:06:51,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:51,724 INFO L225 Difference]: With dead ends: 1752 [2021-01-06 19:06:51,725 INFO L226 Difference]: Without dead ends: 890 [2021-01-06 19:06:51,727 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 [2021-01-06 19:06:51,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2021-01-06 19:06:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 885. [2021-01-06 19:06:51,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2021-01-06 19:06:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1518 transitions. [2021-01-06 19:06:51,778 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1518 transitions. Word has length 47 [2021-01-06 19:06:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:51,786 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1518 transitions. [2021-01-06 19:06:51,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1518 transitions. [2021-01-06 19:06:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 19:06:51,788 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:51,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:51,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:06:51,789 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:51,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:51,789 INFO L82 PathProgramCache]: Analyzing trace with hash 300266512, now seen corresponding path program 1 times [2021-01-06 19:06:51,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:51,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946293752] [2021-01-06 19:06:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:51,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946293752] [2021-01-06 19:06:51,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:51,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:51,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431882624] [2021-01-06 19:06:51,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:51,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:51,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:51,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:51,897 INFO L87 Difference]: Start difference. First operand 885 states and 1518 transitions. Second operand 3 states. [2021-01-06 19:06:51,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:51,958 INFO L93 Difference]: Finished difference Result 1762 states and 3025 transitions. [2021-01-06 19:06:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:51,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 19:06:51,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:51,964 INFO L225 Difference]: With dead ends: 1762 [2021-01-06 19:06:51,964 INFO L226 Difference]: Without dead ends: 885 [2021-01-06 19:06:51,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:51,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2021-01-06 19:06:52,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 885. [2021-01-06 19:06:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2021-01-06 19:06:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1516 transitions. [2021-01-06 19:06:52,010 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1516 transitions. Word has length 48 [2021-01-06 19:06:52,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:52,010 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1516 transitions. [2021-01-06 19:06:52,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1516 transitions. [2021-01-06 19:06:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 19:06:52,012 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:52,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:52,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:06:52,013 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:52,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:52,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1328180709, now seen corresponding path program 1 times [2021-01-06 19:06:52,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:52,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819470843] [2021-01-06 19:06:52,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:52,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819470843] [2021-01-06 19:06:52,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:52,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:52,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325626562] [2021-01-06 19:06:52,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:52,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:52,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:52,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:52,123 INFO L87 Difference]: Start difference. First operand 885 states and 1516 transitions. Second operand 5 states. [2021-01-06 19:06:52,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:52,355 INFO L93 Difference]: Finished difference Result 2594 states and 4456 transitions. [2021-01-06 19:06:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:06:52,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 19:06:52,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:52,365 INFO L225 Difference]: With dead ends: 2594 [2021-01-06 19:06:52,366 INFO L226 Difference]: Without dead ends: 1736 [2021-01-06 19:06:52,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:06:52,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2021-01-06 19:06:52,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 885. [2021-01-06 19:06:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2021-01-06 19:06:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1515 transitions. [2021-01-06 19:06:52,461 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1515 transitions. Word has length 49 [2021-01-06 19:06:52,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:52,461 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1515 transitions. [2021-01-06 19:06:52,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1515 transitions. [2021-01-06 19:06:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 19:06:52,464 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:52,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:52,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:06:52,464 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:52,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:52,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1541028168, now seen corresponding path program 1 times [2021-01-06 19:06:52,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:52,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142116329] [2021-01-06 19:06:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:52,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142116329] [2021-01-06 19:06:52,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:52,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:52,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397465759] [2021-01-06 19:06:52,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:52,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:52,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:52,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:52,591 INFO L87 Difference]: Start difference. First operand 885 states and 1515 transitions. Second operand 5 states. [2021-01-06 19:06:52,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:52,819 INFO L93 Difference]: Finished difference Result 2599 states and 4461 transitions. [2021-01-06 19:06:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:06:52,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 19:06:52,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:52,830 INFO L225 Difference]: With dead ends: 2599 [2021-01-06 19:06:52,830 INFO L226 Difference]: Without dead ends: 1741 [2021-01-06 19:06:52,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:06:52,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2021-01-06 19:06:52,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 885. [2021-01-06 19:06:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2021-01-06 19:06:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1514 transitions. [2021-01-06 19:06:52,890 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1514 transitions. Word has length 50 [2021-01-06 19:06:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:52,890 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1514 transitions. [2021-01-06 19:06:52,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1514 transitions. [2021-01-06 19:06:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:06:52,892 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:52,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:52,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:06:52,893 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:52,893 INFO L82 PathProgramCache]: Analyzing trace with hash -394054560, now seen corresponding path program 1 times [2021-01-06 19:06:52,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:52,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726857425] [2021-01-06 19:06:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:52,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726857425] [2021-01-06 19:06:52,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:52,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:52,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041224862] [2021-01-06 19:06:52,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:52,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:52,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:52,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:52,953 INFO L87 Difference]: Start difference. First operand 885 states and 1514 transitions. Second operand 3 states. [2021-01-06 19:06:53,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:53,012 INFO L93 Difference]: Finished difference Result 1485 states and 2515 transitions. [2021-01-06 19:06:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:53,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 19:06:53,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:53,018 INFO L225 Difference]: With dead ends: 1485 [2021-01-06 19:06:53,018 INFO L226 Difference]: Without dead ends: 888 [2021-01-06 19:06:53,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2021-01-06 19:06:53,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 887. [2021-01-06 19:06:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2021-01-06 19:06:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1516 transitions. [2021-01-06 19:06:53,072 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1516 transitions. Word has length 51 [2021-01-06 19:06:53,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:53,072 INFO L481 AbstractCegarLoop]: Abstraction has 887 states and 1516 transitions. [2021-01-06 19:06:53,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:53,072 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1516 transitions. [2021-01-06 19:06:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 19:06:53,074 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:53,074 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] [2021-01-06 19:06:53,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:06:53,074 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:53,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:53,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1512460722, now seen corresponding path program 1 times [2021-01-06 19:06:53,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:53,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409872457] [2021-01-06 19:06:53,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:53,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409872457] [2021-01-06 19:06:53,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:53,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:53,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877259956] [2021-01-06 19:06:53,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:53,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:53,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:53,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:53,158 INFO L87 Difference]: Start difference. First operand 887 states and 1516 transitions. Second operand 3 states. [2021-01-06 19:06:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:53,302 INFO L93 Difference]: Finished difference Result 2547 states and 4372 transitions. [2021-01-06 19:06:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:53,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 19:06:53,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:53,317 INFO L225 Difference]: With dead ends: 2547 [2021-01-06 19:06:53,317 INFO L226 Difference]: Without dead ends: 1691 [2021-01-06 19:06:53,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:53,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2021-01-06 19:06:53,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1094. [2021-01-06 19:06:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2021-01-06 19:06:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1898 transitions. [2021-01-06 19:06:53,408 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1898 transitions. Word has length 59 [2021-01-06 19:06:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:53,409 INFO L481 AbstractCegarLoop]: Abstraction has 1094 states and 1898 transitions. [2021-01-06 19:06:53,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1898 transitions. [2021-01-06 19:06:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 19:06:53,411 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:53,411 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] [2021-01-06 19:06:53,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:06:53,412 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:53,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 592220589, now seen corresponding path program 1 times [2021-01-06 19:06:53,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:53,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510792845] [2021-01-06 19:06:53,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:53,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510792845] [2021-01-06 19:06:53,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:53,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:53,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476724575] [2021-01-06 19:06:53,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:53,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:53,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:53,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:53,543 INFO L87 Difference]: Start difference. First operand 1094 states and 1898 transitions. Second operand 5 states. [2021-01-06 19:06:53,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:53,861 INFO L93 Difference]: Finished difference Result 3212 states and 5600 transitions. [2021-01-06 19:06:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:06:53,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 19:06:53,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:53,874 INFO L225 Difference]: With dead ends: 3212 [2021-01-06 19:06:53,875 INFO L226 Difference]: Without dead ends: 2149 [2021-01-06 19:06:53,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:06:53,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2021-01-06 19:06:53,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1094. [2021-01-06 19:06:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2021-01-06 19:06:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1896 transitions. [2021-01-06 19:06:53,975 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1896 transitions. Word has length 60 [2021-01-06 19:06:53,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:53,976 INFO L481 AbstractCegarLoop]: Abstraction has 1094 states and 1896 transitions. [2021-01-06 19:06:53,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1896 transitions. [2021-01-06 19:06:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 19:06:53,978 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:53,978 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] [2021-01-06 19:06:53,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:06:53,979 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:53,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:53,979 INFO L82 PathProgramCache]: Analyzing trace with hash 447893252, now seen corresponding path program 1 times [2021-01-06 19:06:53,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:53,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94258994] [2021-01-06 19:06:53,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:54,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94258994] [2021-01-06 19:06:54,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:54,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:54,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288805563] [2021-01-06 19:06:54,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:54,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:54,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:54,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:54,055 INFO L87 Difference]: Start difference. First operand 1094 states and 1896 transitions. Second operand 3 states. [2021-01-06 19:06:54,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:54,232 INFO L93 Difference]: Finished difference Result 3210 states and 5592 transitions. [2021-01-06 19:06:54,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:54,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 19:06:54,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:54,245 INFO L225 Difference]: With dead ends: 3210 [2021-01-06 19:06:54,246 INFO L226 Difference]: Without dead ends: 2147 [2021-01-06 19:06:54,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2021-01-06 19:06:54,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 1550. [2021-01-06 19:06:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2021-01-06 19:06:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2737 transitions. [2021-01-06 19:06:54,387 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2737 transitions. Word has length 61 [2021-01-06 19:06:54,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:54,387 INFO L481 AbstractCegarLoop]: Abstraction has 1550 states and 2737 transitions. [2021-01-06 19:06:54,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2737 transitions. [2021-01-06 19:06:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 19:06:54,390 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:54,390 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] [2021-01-06 19:06:54,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:06:54,391 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:54,392 INFO L82 PathProgramCache]: Analyzing trace with hash 120529826, now seen corresponding path program 1 times [2021-01-06 19:06:54,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:54,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358233695] [2021-01-06 19:06:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:54,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358233695] [2021-01-06 19:06:54,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444093458] [2021-01-06 19:06:54,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:06:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:54,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:06:54,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:06:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:06:55,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:06:55,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 19:06:55,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485645313] [2021-01-06 19:06:55,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:55,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:55,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:55,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:55,050 INFO L87 Difference]: Start difference. First operand 1550 states and 2737 transitions. Second operand 3 states. [2021-01-06 19:06:55,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:55,201 INFO L93 Difference]: Finished difference Result 2060 states and 3583 transitions. [2021-01-06 19:06:55,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:55,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 19:06:55,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:55,225 INFO L225 Difference]: With dead ends: 2060 [2021-01-06 19:06:55,225 INFO L226 Difference]: Without dead ends: 1552 [2021-01-06 19:06:55,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:55,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2021-01-06 19:06:55,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1538. [2021-01-06 19:06:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1538 states. [2021-01-06 19:06:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2719 transitions. [2021-01-06 19:06:55,356 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2719 transitions. Word has length 61 [2021-01-06 19:06:55,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:55,358 INFO L481 AbstractCegarLoop]: Abstraction has 1538 states and 2719 transitions. [2021-01-06 19:06:55,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2719 transitions. [2021-01-06 19:06:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:06:55,369 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:55,370 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:55,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:06:55,583 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:55,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:55,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1968095127, now seen corresponding path program 1 times [2021-01-06 19:06:55,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:55,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663229898] [2021-01-06 19:06:55,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:55,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663229898] [2021-01-06 19:06:55,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953403694] [2021-01-06 19:06:55,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:06:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:56,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:06:56,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:06:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:56,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:06:56,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 19:06:56,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165978692] [2021-01-06 19:06:56,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:56,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:56,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:56,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:56,315 INFO L87 Difference]: Start difference. First operand 1538 states and 2719 transitions. Second operand 5 states. [2021-01-06 19:06:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:56,549 INFO L93 Difference]: Finished difference Result 2974 states and 5162 transitions. [2021-01-06 19:06:56,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:06:56,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2021-01-06 19:06:56,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:56,563 INFO L225 Difference]: With dead ends: 2974 [2021-01-06 19:06:56,563 INFO L226 Difference]: Without dead ends: 2389 [2021-01-06 19:06:56,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:56,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2021-01-06 19:06:56,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 1801. [2021-01-06 19:06:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1801 states. [2021-01-06 19:06:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 3198 transitions. [2021-01-06 19:06:56,709 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 3198 transitions. Word has length 99 [2021-01-06 19:06:56,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:56,709 INFO L481 AbstractCegarLoop]: Abstraction has 1801 states and 3198 transitions. [2021-01-06 19:06:56,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:56,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 3198 transitions. [2021-01-06 19:06:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:06:56,715 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:56,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:56,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 19:06:56,928 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:56,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:56,930 INFO L82 PathProgramCache]: Analyzing trace with hash 651210100, now seen corresponding path program 1 times [2021-01-06 19:06:56,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:56,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300081827] [2021-01-06 19:06:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:57,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300081827] [2021-01-06 19:06:57,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:57,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:57,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245982217] [2021-01-06 19:06:57,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:57,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:57,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:57,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:57,043 INFO L87 Difference]: Start difference. First operand 1801 states and 3198 transitions. Second operand 3 states. [2021-01-06 19:06:57,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:57,263 INFO L93 Difference]: Finished difference Result 4990 states and 8879 transitions. [2021-01-06 19:06:57,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:57,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2021-01-06 19:06:57,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:57,281 INFO L225 Difference]: With dead ends: 4990 [2021-01-06 19:06:57,282 INFO L226 Difference]: Without dead ends: 3290 [2021-01-06 19:06:57,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:57,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2021-01-06 19:06:57,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 2705. [2021-01-06 19:06:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2705 states. [2021-01-06 19:06:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 4859 transitions. [2021-01-06 19:06:57,451 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 4859 transitions. Word has length 103 [2021-01-06 19:06:57,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:57,451 INFO L481 AbstractCegarLoop]: Abstraction has 2705 states and 4859 transitions. [2021-01-06 19:06:57,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 4859 transitions. [2021-01-06 19:06:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 19:06:57,458 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:57,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:57,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:06:57,459 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:57,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:57,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2069566732, now seen corresponding path program 1 times [2021-01-06 19:06:57,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:57,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785008367] [2021-01-06 19:06:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:57,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785008367] [2021-01-06 19:06:57,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:57,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:57,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352891042] [2021-01-06 19:06:57,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:57,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:57,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:57,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:57,538 INFO L87 Difference]: Start difference. First operand 2705 states and 4859 transitions. Second operand 3 states. [2021-01-06 19:06:57,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:57,803 INFO L93 Difference]: Finished difference Result 7438 states and 13381 transitions. [2021-01-06 19:06:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:57,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2021-01-06 19:06:57,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:57,826 INFO L225 Difference]: With dead ends: 7438 [2021-01-06 19:06:57,826 INFO L226 Difference]: Without dead ends: 4868 [2021-01-06 19:06:57,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:57,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2021-01-06 19:06:58,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4283. [2021-01-06 19:06:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4283 states. [2021-01-06 19:06:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 4283 states and 7756 transitions. [2021-01-06 19:06:58,172 INFO L78 Accepts]: Start accepts. Automaton has 4283 states and 7756 transitions. Word has length 104 [2021-01-06 19:06:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:58,172 INFO L481 AbstractCegarLoop]: Abstraction has 4283 states and 7756 transitions. [2021-01-06 19:06:58,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4283 states and 7756 transitions. [2021-01-06 19:06:58,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 19:06:58,184 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:58,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:58,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:06:58,184 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:58,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:58,185 INFO L82 PathProgramCache]: Analyzing trace with hash -970878235, now seen corresponding path program 1 times [2021-01-06 19:06:58,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:58,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223685236] [2021-01-06 19:06:58,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:58,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223685236] [2021-01-06 19:06:58,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:58,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:58,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353803269] [2021-01-06 19:06:58,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:58,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:58,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:58,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:58,280 INFO L87 Difference]: Start difference. First operand 4283 states and 7756 transitions. Second operand 3 states. [2021-01-06 19:06:58,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:58,782 INFO L93 Difference]: Finished difference Result 11888 states and 21555 transitions. [2021-01-06 19:06:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:58,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 19:06:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:58,807 INFO L225 Difference]: With dead ends: 11888 [2021-01-06 19:06:58,808 INFO L226 Difference]: Without dead ends: 7774 [2021-01-06 19:06:58,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:58,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7774 states. [2021-01-06 19:06:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7774 to 7189. [2021-01-06 19:06:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7189 states. [2021-01-06 19:06:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7189 states to 7189 states and 13085 transitions. [2021-01-06 19:06:59,504 INFO L78 Accepts]: Start accepts. Automaton has 7189 states and 13085 transitions. Word has length 105 [2021-01-06 19:06:59,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:59,504 INFO L481 AbstractCegarLoop]: Abstraction has 7189 states and 13085 transitions. [2021-01-06 19:06:59,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 7189 states and 13085 transitions. [2021-01-06 19:06:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 19:06:59,524 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:59,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:59,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:06:59,525 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:59,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:59,525 INFO L82 PathProgramCache]: Analyzing trace with hash 510707525, now seen corresponding path program 1 times [2021-01-06 19:06:59,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:59,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703134611] [2021-01-06 19:06:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:59,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703134611] [2021-01-06 19:06:59,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:59,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:59,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846423334] [2021-01-06 19:06:59,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:59,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:59,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:59,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:59,609 INFO L87 Difference]: Start difference. First operand 7189 states and 13085 transitions. Second operand 3 states. [2021-01-06 19:07:00,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:00,347 INFO L93 Difference]: Finished difference Result 20932 states and 38153 transitions. [2021-01-06 19:07:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:07:00,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-06 19:07:00,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:00,398 INFO L225 Difference]: With dead ends: 20932 [2021-01-06 19:07:00,398 INFO L226 Difference]: Without dead ends: 13920 [2021-01-06 19:07:00,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:00,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13920 states. [2021-01-06 19:07:01,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13920 to 13335. [2021-01-06 19:07:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13335 states. [2021-01-06 19:07:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13335 states to 13335 states and 24350 transitions. [2021-01-06 19:07:01,279 INFO L78 Accepts]: Start accepts. Automaton has 13335 states and 24350 transitions. Word has length 106 [2021-01-06 19:07:01,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:01,280 INFO L481 AbstractCegarLoop]: Abstraction has 13335 states and 24350 transitions. [2021-01-06 19:07:01,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:07:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 13335 states and 24350 transitions. [2021-01-06 19:07:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 19:07:01,310 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:01,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:07:01,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:07:01,311 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:01,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1330919060, now seen corresponding path program 1 times [2021-01-06 19:07:01,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:01,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169497548] [2021-01-06 19:07:01,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:07:01,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169497548] [2021-01-06 19:07:01,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:01,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:07:01,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351808740] [2021-01-06 19:07:01,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:07:01,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:01,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:07:01,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:01,385 INFO L87 Difference]: Start difference. First operand 13335 states and 24350 transitions. Second operand 3 states. [2021-01-06 19:07:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:02,458 INFO L93 Difference]: Finished difference Result 39200 states and 71647 transitions. [2021-01-06 19:07:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:07:02,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2021-01-06 19:07:02,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:02,552 INFO L225 Difference]: With dead ends: 39200 [2021-01-06 19:07:02,552 INFO L226 Difference]: Without dead ends: 26050 [2021-01-06 19:07:02,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26050 states. [2021-01-06 19:07:04,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26050 to 25465. [2021-01-06 19:07:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25465 states. [2021-01-06 19:07:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25465 states to 25465 states and 46559 transitions. [2021-01-06 19:07:04,518 INFO L78 Accepts]: Start accepts. Automaton has 25465 states and 46559 transitions. Word has length 107 [2021-01-06 19:07:04,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:04,519 INFO L481 AbstractCegarLoop]: Abstraction has 25465 states and 46559 transitions. [2021-01-06 19:07:04,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:07:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 25465 states and 46559 transitions. [2021-01-06 19:07:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 19:07:04,558 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:04,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:07:04,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:07:04,559 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:04,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:04,560 INFO L82 PathProgramCache]: Analyzing trace with hash -25568940, now seen corresponding path program 1 times [2021-01-06 19:07:04,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:04,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235762472] [2021-01-06 19:07:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:07:04,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235762472] [2021-01-06 19:07:04,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:04,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:07:04,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960947859] [2021-01-06 19:07:04,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:07:04,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:04,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:07:04,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:04,648 INFO L87 Difference]: Start difference. First operand 25465 states and 46559 transitions. Second operand 3 states. [2021-01-06 19:07:06,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:06,337 INFO L93 Difference]: Finished difference Result 70229 states and 128010 transitions. [2021-01-06 19:07:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:07:06,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2021-01-06 19:07:06,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:06,504 INFO L225 Difference]: With dead ends: 70229 [2021-01-06 19:07:06,505 INFO L226 Difference]: Without dead ends: 44996 [2021-01-06 19:07:06,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:06,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44996 states. [2021-01-06 19:07:08,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44996 to 44411. [2021-01-06 19:07:08,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44411 states. [2021-01-06 19:07:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44411 states to 44411 states and 80736 transitions. [2021-01-06 19:07:08,714 INFO L78 Accepts]: Start accepts. Automaton has 44411 states and 80736 transitions. Word has length 108 [2021-01-06 19:07:08,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:08,714 INFO L481 AbstractCegarLoop]: Abstraction has 44411 states and 80736 transitions. [2021-01-06 19:07:08,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:07:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 44411 states and 80736 transitions. [2021-01-06 19:07:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 19:07:08,758 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:08,759 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:07:08,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:07:08,759 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:08,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:08,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1063515323, now seen corresponding path program 1 times [2021-01-06 19:07:08,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:08,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393904669] [2021-01-06 19:07:08,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 19:07:08,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393904669] [2021-01-06 19:07:08,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:08,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:07:08,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125310332] [2021-01-06 19:07:08,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:07:08,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:08,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:07:08,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:07:08,853 INFO L87 Difference]: Start difference. First operand 44411 states and 80736 transitions. Second operand 5 states. [2021-01-06 19:07:12,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:12,234 INFO L93 Difference]: Finished difference Result 130842 states and 237843 transitions. [2021-01-06 19:07:12,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:07:12,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2021-01-06 19:07:12,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:12,449 INFO L225 Difference]: With dead ends: 130842 [2021-01-06 19:07:12,449 INFO L226 Difference]: Without dead ends: 86731 [2021-01-06 19:07:12,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:07:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86731 states. [2021-01-06 19:07:15,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86731 to 44411. [2021-01-06 19:07:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44411 states. [2021-01-06 19:07:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44411 states to 44411 states and 80478 transitions. [2021-01-06 19:07:15,260 INFO L78 Accepts]: Start accepts. Automaton has 44411 states and 80478 transitions. Word has length 109 [2021-01-06 19:07:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:15,260 INFO L481 AbstractCegarLoop]: Abstraction has 44411 states and 80478 transitions. [2021-01-06 19:07:15,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:07:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 44411 states and 80478 transitions. [2021-01-06 19:07:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 19:07:15,440 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:15,441 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:07:15,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:07:15,441 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:15,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:15,443 INFO L82 PathProgramCache]: Analyzing trace with hash -902143271, now seen corresponding path program 2 times [2021-01-06 19:07:15,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:15,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801853619] [2021-01-06 19:07:15,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:07:15,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801853619] [2021-01-06 19:07:15,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:15,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:07:15,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721101296] [2021-01-06 19:07:15,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:07:15,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:15,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:07:15,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:15,524 INFO L87 Difference]: Start difference. First operand 44411 states and 80478 transitions. Second operand 3 states. [2021-01-06 19:07:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:17,398 INFO L93 Difference]: Finished difference Result 89101 states and 161412 transitions. [2021-01-06 19:07:17,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:07:17,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 19:07:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:17,475 INFO L225 Difference]: With dead ends: 89101 [2021-01-06 19:07:17,475 INFO L226 Difference]: Without dead ends: 44996 [2021-01-06 19:07:17,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:17,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44996 states. [2021-01-06 19:07:19,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44996 to 44411. [2021-01-06 19:07:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44411 states. [2021-01-06 19:07:19,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44411 states to 44411 states and 80350 transitions. [2021-01-06 19:07:19,597 INFO L78 Accepts]: Start accepts. Automaton has 44411 states and 80350 transitions. Word has length 109 [2021-01-06 19:07:19,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:19,598 INFO L481 AbstractCegarLoop]: Abstraction has 44411 states and 80350 transitions. [2021-01-06 19:07:19,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:07:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 44411 states and 80350 transitions. [2021-01-06 19:07:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 19:07:19,639 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:19,640 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:07:19,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:07:19,640 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:19,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:19,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1286714374, now seen corresponding path program 1 times [2021-01-06 19:07:19,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:19,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160549645] [2021-01-06 19:07:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:07:19,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160549645] [2021-01-06 19:07:19,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:19,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:07:19,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505213375] [2021-01-06 19:07:19,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:07:19,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:19,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:07:19,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:19,767 INFO L87 Difference]: Start difference. First operand 44411 states and 80350 transitions. Second operand 3 states. [2021-01-06 19:07:22,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:22,775 INFO L93 Difference]: Finished difference Result 124727 states and 225486 transitions. [2021-01-06 19:07:22,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:07:22,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 19:07:22,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:22,930 INFO L225 Difference]: With dead ends: 124727 [2021-01-06 19:07:22,930 INFO L226 Difference]: Without dead ends: 80582 [2021-01-06 19:07:22,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:07:23,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80582 states. [2021-01-06 19:07:26,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80582 to 79997. [2021-01-06 19:07:26,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79997 states. [2021-01-06 19:07:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79997 states to 79997 states and 144351 transitions. [2021-01-06 19:07:26,559 INFO L78 Accepts]: Start accepts. Automaton has 79997 states and 144351 transitions. Word has length 109 [2021-01-06 19:07:26,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:26,560 INFO L481 AbstractCegarLoop]: Abstraction has 79997 states and 144351 transitions. [2021-01-06 19:07:26,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:07:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 79997 states and 144351 transitions. [2021-01-06 19:07:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 19:07:26,619 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:26,619 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:07:26,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:07:26,619 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:26,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:26,620 INFO L82 PathProgramCache]: Analyzing trace with hash -2137686241, now seen corresponding path program 1 times [2021-01-06 19:07:26,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:26,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620577959] [2021-01-06 19:07:26,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:07:26,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620577959] [2021-01-06 19:07:26,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:26,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:07:26,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404356366] [2021-01-06 19:07:26,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:07:26,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:26,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:07:26,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:07:26,926 INFO L87 Difference]: Start difference. First operand 79997 states and 144351 transitions. Second operand 9 states. [2021-01-06 19:07:34,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:34,352 INFO L93 Difference]: Finished difference Result 162822 states and 293379 transitions. [2021-01-06 19:07:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 19:07:34,354 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2021-01-06 19:07:34,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:34,681 INFO L225 Difference]: With dead ends: 162822 [2021-01-06 19:07:34,681 INFO L226 Difference]: Without dead ends: 162294 [2021-01-06 19:07:34,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 19:07:34,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162294 states. [2021-01-06 19:07:41,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162294 to 159719. [2021-01-06 19:07:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159719 states. [2021-01-06 19:07:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159719 states to 159719 states and 288239 transitions. [2021-01-06 19:07:41,940 INFO L78 Accepts]: Start accepts. Automaton has 159719 states and 288239 transitions. Word has length 110 [2021-01-06 19:07:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:41,940 INFO L481 AbstractCegarLoop]: Abstraction has 159719 states and 288239 transitions. [2021-01-06 19:07:41,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:07:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 159719 states and 288239 transitions. [2021-01-06 19:07:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 19:07:42,021 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:42,022 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] [2021-01-06 19:07:42,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:07:42,022 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:42,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1218206741, now seen corresponding path program 1 times [2021-01-06 19:07:42,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:42,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860798917] [2021-01-06 19:07:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:07:42,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860798917] [2021-01-06 19:07:42,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:42,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:07:42,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311532607] [2021-01-06 19:07:42,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:07:42,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:42,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:07:42,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:07:42,100 INFO L87 Difference]: Start difference. First operand 159719 states and 288239 transitions. Second operand 4 states. [2021-01-06 19:07:47,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:47,461 INFO L93 Difference]: Finished difference Result 160799 states and 290034 transitions. [2021-01-06 19:07:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:07:47,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2021-01-06 19:07:47,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:47,991 INFO L225 Difference]: With dead ends: 160799 [2021-01-06 19:07:47,991 INFO L226 Difference]: Without dead ends: 160219 [2021-01-06 19:07:48,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:07:48,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160219 states. [2021-01-06 19:07:54,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160219 to 159718. [2021-01-06 19:07:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159718 states. [2021-01-06 19:07:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159718 states to 159718 states and 288235 transitions. [2021-01-06 19:07:54,674 INFO L78 Accepts]: Start accepts. Automaton has 159718 states and 288235 transitions. Word has length 111 [2021-01-06 19:07:54,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:54,674 INFO L481 AbstractCegarLoop]: Abstraction has 159718 states and 288235 transitions. [2021-01-06 19:07:54,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:07:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 159718 states and 288235 transitions. [2021-01-06 19:07:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 19:07:54,762 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:54,762 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] [2021-01-06 19:07:54,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 19:07:54,762 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:54,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:54,763 INFO L82 PathProgramCache]: Analyzing trace with hash -2056791614, now seen corresponding path program 1 times [2021-01-06 19:07:54,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:54,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917259771] [2021-01-06 19:07:54,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:07:55,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917259771] [2021-01-06 19:07:55,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:55,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:07:55,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457417885] [2021-01-06 19:07:55,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:07:55,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:55,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:07:55,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:07:55,264 INFO L87 Difference]: Start difference. First operand 159718 states and 288235 transitions. Second operand 7 states. [2021-01-06 19:08:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:00,585 INFO L93 Difference]: Finished difference Result 160977 states and 290316 transitions. [2021-01-06 19:08:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:08:00,586 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2021-01-06 19:08:00,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:00,928 INFO L225 Difference]: With dead ends: 160977 [2021-01-06 19:08:00,928 INFO L226 Difference]: Without dead ends: 159955 [2021-01-06 19:08:00,970 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 [2021-01-06 19:08:01,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159955 states. [2021-01-06 19:08:07,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159955 to 159682. [2021-01-06 19:08:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159682 states. [2021-01-06 19:08:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159682 states to 159682 states and 288154 transitions. [2021-01-06 19:08:07,667 INFO L78 Accepts]: Start accepts. Automaton has 159682 states and 288154 transitions. Word has length 112 [2021-01-06 19:08:07,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:07,667 INFO L481 AbstractCegarLoop]: Abstraction has 159682 states and 288154 transitions. [2021-01-06 19:08:07,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:08:07,667 INFO L276 IsEmpty]: Start isEmpty. Operand 159682 states and 288154 transitions. [2021-01-06 19:08:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 19:08:08,108 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:08,109 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] [2021-01-06 19:08:08,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 19:08:08,109 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:08:08,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:08,110 INFO L82 PathProgramCache]: Analyzing trace with hash 307112090, now seen corresponding path program 1 times [2021-01-06 19:08:08,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:08,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272345300] [2021-01-06 19:08:08,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:08:08,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272345300] [2021-01-06 19:08:08,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:08,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:08:08,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375692780] [2021-01-06 19:08:08,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:08:08,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:08,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:08:08,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:08:08,244 INFO L87 Difference]: Start difference. First operand 159682 states and 288154 transitions. Second operand 9 states. [2021-01-06 19:08:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:20,754 INFO L93 Difference]: Finished difference Result 325431 states and 586329 transitions. [2021-01-06 19:08:20,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 19:08:20,754 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2021-01-06 19:08:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:21,738 INFO L225 Difference]: With dead ends: 325431 [2021-01-06 19:08:21,738 INFO L226 Difference]: Without dead ends: 324445 [2021-01-06 19:08:21,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2021-01-06 19:08:22,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324445 states. [2021-01-06 19:08:37,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324445 to 319372. [2021-01-06 19:08:37,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319372 states. [2021-01-06 19:08:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319372 states to 319372 states and 576306 transitions. [2021-01-06 19:08:39,519 INFO L78 Accepts]: Start accepts. Automaton has 319372 states and 576306 transitions. Word has length 112 [2021-01-06 19:08:39,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:39,519 INFO L481 AbstractCegarLoop]: Abstraction has 319372 states and 576306 transitions. [2021-01-06 19:08:39,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:08:39,519 INFO L276 IsEmpty]: Start isEmpty. Operand 319372 states and 576306 transitions. [2021-01-06 19:08:39,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 19:08:39,752 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:39,753 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] [2021-01-06 19:08:39,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 19:08:39,753 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:08:39,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:39,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1258646106, now seen corresponding path program 1 times [2021-01-06 19:08:39,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:39,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281498159] [2021-01-06 19:08:39,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:39,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:08:39,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281498159] [2021-01-06 19:08:39,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:39,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:08:39,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320607501] [2021-01-06 19:08:39,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:08:39,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:39,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:08:39,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:08:39,995 INFO L87 Difference]: Start difference. First operand 319372 states and 576306 transitions. Second operand 10 states. [2021-01-06 19:08:54,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:54,510 INFO L93 Difference]: Finished difference Result 333079 states and 598868 transitions. [2021-01-06 19:08:54,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-06 19:08:54,511 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2021-01-06 19:08:54,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:55,309 INFO L225 Difference]: With dead ends: 333079 [2021-01-06 19:08:55,310 INFO L226 Difference]: Without dead ends: 331051 [2021-01-06 19:08:55,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 19:08:55,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331051 states. [2021-01-06 19:09:09,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331051 to 320052. [2021-01-06 19:09:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320052 states. [2021-01-06 19:09:10,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320052 states to 320052 states and 577389 transitions. [2021-01-06 19:09:10,202 INFO L78 Accepts]: Start accepts. Automaton has 320052 states and 577389 transitions. Word has length 112 [2021-01-06 19:09:10,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:09:10,202 INFO L481 AbstractCegarLoop]: Abstraction has 320052 states and 577389 transitions. [2021-01-06 19:09:10,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:09:10,202 INFO L276 IsEmpty]: Start isEmpty. Operand 320052 states and 577389 transitions. [2021-01-06 19:09:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 19:09:10,983 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:09:10,983 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:09:10,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 19:09:10,983 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:09:10,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:09:10,984 INFO L82 PathProgramCache]: Analyzing trace with hash 875516579, now seen corresponding path program 1 times [2021-01-06 19:09:10,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:09:10,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816008275] [2021-01-06 19:09:10,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:09:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:09:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:09:11,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816008275] [2021-01-06 19:09:11,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:09:11,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 19:09:11,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577229942] [2021-01-06 19:09:11,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:09:11,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:09:11,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:09:11,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:09:11,211 INFO L87 Difference]: Start difference. First operand 320052 states and 577389 transitions. Second operand 11 states. [2021-01-06 19:09:12,118 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-01-06 19:09:25,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:25,971 INFO L93 Difference]: Finished difference Result 334255 states and 600762 transitions. [2021-01-06 19:09:25,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-06 19:09:25,972 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2021-01-06 19:09:25,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:27,037 INFO L225 Difference]: With dead ends: 334255 [2021-01-06 19:09:27,037 INFO L226 Difference]: Without dead ends: 331871 [2021-01-06 19:09:27,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 19:09:27,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331871 states. [2021-01-06 19:09:43,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331871 to 320558. [2021-01-06 19:09:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320558 states. [2021-01-06 19:09:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320558 states to 320558 states and 578225 transitions. [2021-01-06 19:09:44,673 INFO L78 Accepts]: Start accepts. Automaton has 320558 states and 578225 transitions. Word has length 113 [2021-01-06 19:09:44,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:09:44,673 INFO L481 AbstractCegarLoop]: Abstraction has 320558 states and 578225 transitions. [2021-01-06 19:09:44,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 19:09:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 320558 states and 578225 transitions. [2021-01-06 19:09:44,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 19:09:44,824 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:09:44,824 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:09:44,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 19:09:44,824 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:09:44,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:09:44,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1346978733, now seen corresponding path program 1 times [2021-01-06 19:09:44,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:09:44,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677631538] [2021-01-06 19:09:44,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:09:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:09:45,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:09:45,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677631538] [2021-01-06 19:09:45,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:09:45,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 19:09:45,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227257614] [2021-01-06 19:09:45,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:09:45,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:09:45,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:09:45,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:09:45,594 INFO L87 Difference]: Start difference. First operand 320558 states and 578225 transitions. Second operand 9 states. [2021-01-06 19:09:57,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:57,167 INFO L93 Difference]: Finished difference Result 324927 states and 585391 transitions. [2021-01-06 19:09:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 19:09:57,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2021-01-06 19:09:57,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:57,890 INFO L225 Difference]: With dead ends: 324927 [2021-01-06 19:09:57,891 INFO L226 Difference]: Without dead ends: 321336 [2021-01-06 19:09:57,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2021-01-06 19:09:58,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321336 states.