/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_spec6_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:56:40,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:56:40,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:56:40,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:56:40,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:56:40,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:56:40,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:56:40,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:56:40,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:56:40,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:56:40,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:56:40,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:56:40,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:56:40,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:56:40,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:56:40,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:56:40,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:56:40,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:56:40,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:56:40,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:56:40,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:56:40,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:56:40,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:56:40,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:56:40,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:56:40,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:56:40,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:56:40,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:56:40,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:56:40,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:56:40,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:56:40,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:56:40,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:56:40,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:56:40,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:56:40,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:56:40,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:56:40,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:56:40,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:56:40,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:56:40,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:56:40,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:56:40,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:56:40,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:56:40,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:56:40,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:56:40,925 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:56:40,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:56:40,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:56:40,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:56:40,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:56:40,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:56:40,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:56:40,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:56:40,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:56:40,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:56:40,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:56:40,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:56:40,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:56:40,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:56:40,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:56:40,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:56:40,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:56:40,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:56:40,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:56:40,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:56:40,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:56:40,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:56:41,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:56:41,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:56:41,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:56:41,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:56:41,367 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:56:41,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product22.cil.c [2021-01-06 18:56:41,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2a10bae15/c2b480af7c6843088bdea0a5ac4beaa3/FLAGac4020b01 [2021-01-06 18:56:42,249 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:56:42,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product22.cil.c [2021-01-06 18:56:42,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2a10bae15/c2b480af7c6843088bdea0a5ac4beaa3/FLAGac4020b01 [2021-01-06 18:56:42,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2a10bae15/c2b480af7c6843088bdea0a5ac4beaa3 [2021-01-06 18:56:42,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:56:42,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:56:42,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:56:42,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:56:42,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:56:42,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:56:42" (1/1) ... [2021-01-06 18:56:42,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc0fe06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:42, skipping insertion in model container [2021-01-06 18:56:42,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:56:42" (1/1) ... [2021-01-06 18:56:42,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:56:42,553 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] 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[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,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[~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~13,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_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~14,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] 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[~tmp___1~0,] [2021-01-06 18:56:42,916 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_spec6_product22.cil.c[21159,21172] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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___0~1,] 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___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] 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___0~4,] 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[~tmp~14,] 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[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] 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[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:56:43,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:56:43,302 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] 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[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,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[~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~13,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_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~14,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] 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[~tmp___1~0,] [2021-01-06 18:56:43,380 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_spec6_product22.cil.c[21159,21172] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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___0~1,] 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___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] 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___0~4,] 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[~tmp~14,] 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[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] 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[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:56:43,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:56:43,615 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:56:43,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43 WrapperNode [2021-01-06 18:56:43,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:56:43,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:56:43,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:56:43,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:56:43,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:43,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:43,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:56:43,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:56:43,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:56:43,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:56:43,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:43,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:43,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:43,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:43,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:43,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:43,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... [2021-01-06 18:56:44,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:56:44,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:56:44,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:56:44,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:56:44,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:56:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:56:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:56:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:56:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:56:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:56:46,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:56:46,550 INFO L299 CfgBuilder]: Removed 331 assume(true) statements. [2021-01-06 18:56:46,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:56:46 BoogieIcfgContainer [2021-01-06 18:56:46,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:56:46,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:56:46,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:56:46,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:56:46,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:56:42" (1/3) ... [2021-01-06 18:56:46,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4706663d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:56:46, skipping insertion in model container [2021-01-06 18:56:46,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:43" (2/3) ... [2021-01-06 18:56:46,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4706663d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:56:46, skipping insertion in model container [2021-01-06 18:56:46,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:56:46" (3/3) ... [2021-01-06 18:56:46,564 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product22.cil.c [2021-01-06 18:56:46,572 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:56:46,579 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:56:46,601 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:56:46,640 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:56:46,640 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:56:46,640 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:56:46,641 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:56:46,641 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:56:46,641 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:56:46,641 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:56:46,641 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:56:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states. [2021-01-06 18:56:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:56:46,684 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:46,685 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 18:56:46,686 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:46,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:46,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1017516910, now seen corresponding path program 1 times [2021-01-06 18:56:46,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:46,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695740829] [2021-01-06 18:56:46,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:47,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695740829] [2021-01-06 18:56:47,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:47,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:47,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670952858] [2021-01-06 18:56:47,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:47,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:47,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:47,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:47,153 INFO L87 Difference]: Start difference. First operand 493 states. Second operand 3 states. [2021-01-06 18:56:47,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:47,303 INFO L93 Difference]: Finished difference Result 1444 states and 2501 transitions. [2021-01-06 18:56:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:47,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2021-01-06 18:56:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:47,356 INFO L225 Difference]: With dead ends: 1444 [2021-01-06 18:56:47,358 INFO L226 Difference]: Without dead ends: 824 [2021-01-06 18:56:47,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:47,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2021-01-06 18:56:47,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 421. [2021-01-06 18:56:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 18:56:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 728 transitions. [2021-01-06 18:56:47,502 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 728 transitions. Word has length 50 [2021-01-06 18:56:47,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:47,502 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 728 transitions. [2021-01-06 18:56:47,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 728 transitions. [2021-01-06 18:56:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:56:47,514 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:47,515 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] [2021-01-06 18:56:47,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:56:47,516 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:47,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:47,519 INFO L82 PathProgramCache]: Analyzing trace with hash 346129025, now seen corresponding path program 1 times [2021-01-06 18:56:47,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:47,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093974662] [2021-01-06 18:56:47,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:47,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:47,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093974662] [2021-01-06 18:56:47,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:47,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:47,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568499131] [2021-01-06 18:56:47,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:47,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:47,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:47,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:47,708 INFO L87 Difference]: Start difference. First operand 421 states and 728 transitions. Second operand 5 states. [2021-01-06 18:56:47,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:47,921 INFO L93 Difference]: Finished difference Result 1212 states and 2100 transitions. [2021-01-06 18:56:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:56:47,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-01-06 18:56:47,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:47,927 INFO L225 Difference]: With dead ends: 1212 [2021-01-06 18:56:47,927 INFO L226 Difference]: Without dead ends: 810 [2021-01-06 18:56:47,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:56:47,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2021-01-06 18:56:47,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 421. [2021-01-06 18:56:47,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 18:56:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 727 transitions. [2021-01-06 18:56:47,950 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 727 transitions. Word has length 52 [2021-01-06 18:56:47,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:47,950 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 727 transitions. [2021-01-06 18:56:47,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 727 transitions. [2021-01-06 18:56:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:56:47,952 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:47,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:47,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:56:47,953 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:47,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:47,954 INFO L82 PathProgramCache]: Analyzing trace with hash -945012402, now seen corresponding path program 1 times [2021-01-06 18:56:47,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:47,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833952686] [2021-01-06 18:56:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:48,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833952686] [2021-01-06 18:56:48,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:48,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:48,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681785364] [2021-01-06 18:56:48,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:48,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:48,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:48,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:48,073 INFO L87 Difference]: Start difference. First operand 421 states and 727 transitions. Second operand 3 states. [2021-01-06 18:56:48,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:48,118 INFO L93 Difference]: Finished difference Result 824 states and 1428 transitions. [2021-01-06 18:56:48,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:48,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-01-06 18:56:48,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:48,124 INFO L225 Difference]: With dead ends: 824 [2021-01-06 18:56:48,124 INFO L226 Difference]: Without dead ends: 426 [2021-01-06 18:56:48,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:48,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-01-06 18:56:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 421. [2021-01-06 18:56:48,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 18:56:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 726 transitions. [2021-01-06 18:56:48,151 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 726 transitions. Word has length 53 [2021-01-06 18:56:48,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:48,158 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 726 transitions. [2021-01-06 18:56:48,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 726 transitions. [2021-01-06 18:56:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:56:48,159 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:48,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:48,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:56:48,160 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:48,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:48,161 INFO L82 PathProgramCache]: Analyzing trace with hash -291224812, now seen corresponding path program 1 times [2021-01-06 18:56:48,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:48,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564760375] [2021-01-06 18:56:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:48,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:48,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564760375] [2021-01-06 18:56:48,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:48,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:48,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128780118] [2021-01-06 18:56:48,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:48,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:48,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:48,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:48,327 INFO L87 Difference]: Start difference. First operand 421 states and 726 transitions. Second operand 3 states. [2021-01-06 18:56:48,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:48,372 INFO L93 Difference]: Finished difference Result 834 states and 1441 transitions. [2021-01-06 18:56:48,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:48,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-06 18:56:48,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:48,376 INFO L225 Difference]: With dead ends: 834 [2021-01-06 18:56:48,376 INFO L226 Difference]: Without dead ends: 421 [2021-01-06 18:56:48,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:48,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-01-06 18:56:48,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-01-06 18:56:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 18:56:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 724 transitions. [2021-01-06 18:56:48,398 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 724 transitions. Word has length 54 [2021-01-06 18:56:48,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:48,401 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 724 transitions. [2021-01-06 18:56:48,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 724 transitions. [2021-01-06 18:56:48,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:56:48,403 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:48,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:48,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:56:48,404 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:48,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:48,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1924560599, now seen corresponding path program 1 times [2021-01-06 18:56:48,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:48,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168430574] [2021-01-06 18:56:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:48,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168430574] [2021-01-06 18:56:48,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:48,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:48,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23842994] [2021-01-06 18:56:48,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:48,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:48,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:48,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:48,542 INFO L87 Difference]: Start difference. First operand 421 states and 724 transitions. Second operand 5 states. [2021-01-06 18:56:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:48,731 INFO L93 Difference]: Finished difference Result 1202 states and 2080 transitions. [2021-01-06 18:56:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:56:48,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2021-01-06 18:56:48,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:48,737 INFO L225 Difference]: With dead ends: 1202 [2021-01-06 18:56:48,737 INFO L226 Difference]: Without dead ends: 808 [2021-01-06 18:56:48,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:56:48,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2021-01-06 18:56:48,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 421. [2021-01-06 18:56:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 18:56:48,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 723 transitions. [2021-01-06 18:56:48,762 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 723 transitions. Word has length 55 [2021-01-06 18:56:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:48,762 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 723 transitions. [2021-01-06 18:56:48,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 723 transitions. [2021-01-06 18:56:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:56:48,764 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:48,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:48,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:56:48,765 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:48,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:48,766 INFO L82 PathProgramCache]: Analyzing trace with hash 549322316, now seen corresponding path program 1 times [2021-01-06 18:56:48,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:48,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823334832] [2021-01-06 18:56:48,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:48,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823334832] [2021-01-06 18:56:48,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:48,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:48,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540091627] [2021-01-06 18:56:48,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:48,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:48,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:48,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:48,890 INFO L87 Difference]: Start difference. First operand 421 states and 723 transitions. Second operand 5 states. [2021-01-06 18:56:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:49,073 INFO L93 Difference]: Finished difference Result 1207 states and 2085 transitions. [2021-01-06 18:56:49,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:56:49,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-01-06 18:56:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:49,079 INFO L225 Difference]: With dead ends: 1207 [2021-01-06 18:56:49,079 INFO L226 Difference]: Without dead ends: 813 [2021-01-06 18:56:49,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:56:49,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2021-01-06 18:56:49,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 421. [2021-01-06 18:56:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 18:56:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 722 transitions. [2021-01-06 18:56:49,113 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 722 transitions. Word has length 56 [2021-01-06 18:56:49,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:49,114 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 722 transitions. [2021-01-06 18:56:49,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 722 transitions. [2021-01-06 18:56:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:56:49,115 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:49,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:49,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:56:49,116 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:49,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:49,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1091848036, now seen corresponding path program 1 times [2021-01-06 18:56:49,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:49,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005837502] [2021-01-06 18:56:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:49,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005837502] [2021-01-06 18:56:49,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:49,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:49,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520380815] [2021-01-06 18:56:49,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:49,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:49,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:49,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:49,186 INFO L87 Difference]: Start difference. First operand 421 states and 722 transitions. Second operand 3 states. [2021-01-06 18:56:49,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:49,218 INFO L93 Difference]: Finished difference Result 600 states and 1013 transitions. [2021-01-06 18:56:49,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:49,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 18:56:49,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:49,222 INFO L225 Difference]: With dead ends: 600 [2021-01-06 18:56:49,222 INFO L226 Difference]: Without dead ends: 424 [2021-01-06 18:56:49,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-01-06 18:56:49,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2021-01-06 18:56:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2021-01-06 18:56:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 724 transitions. [2021-01-06 18:56:49,249 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 724 transitions. Word has length 57 [2021-01-06 18:56:49,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:49,249 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 724 transitions. [2021-01-06 18:56:49,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 724 transitions. [2021-01-06 18:56:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:56:49,251 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:49,251 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] [2021-01-06 18:56:49,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:56:49,251 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:49,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:49,252 INFO L82 PathProgramCache]: Analyzing trace with hash 636950226, now seen corresponding path program 1 times [2021-01-06 18:56:49,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:49,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823061209] [2021-01-06 18:56:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:49,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823061209] [2021-01-06 18:56:49,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:49,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:49,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10420770] [2021-01-06 18:56:49,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:49,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:49,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:49,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:49,348 INFO L87 Difference]: Start difference. First operand 423 states and 724 transitions. Second operand 3 states. [2021-01-06 18:56:49,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:49,420 INFO L93 Difference]: Finished difference Result 1155 states and 1996 transitions. [2021-01-06 18:56:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:49,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 18:56:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:49,426 INFO L225 Difference]: With dead ends: 1155 [2021-01-06 18:56:49,427 INFO L226 Difference]: Without dead ends: 763 [2021-01-06 18:56:49,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:49,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2021-01-06 18:56:49,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 587. [2021-01-06 18:56:49,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2021-01-06 18:56:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1024 transitions. [2021-01-06 18:56:49,476 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1024 transitions. Word has length 65 [2021-01-06 18:56:49,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:49,477 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 1024 transitions. [2021-01-06 18:56:49,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1024 transitions. [2021-01-06 18:56:49,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:56:49,479 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:49,479 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:49,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:56:49,480 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:49,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:49,480 INFO L82 PathProgramCache]: Analyzing trace with hash 233027313, now seen corresponding path program 1 times [2021-01-06 18:56:49,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:49,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764186588] [2021-01-06 18:56:49,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:49,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764186588] [2021-01-06 18:56:49,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:49,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:49,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061959497] [2021-01-06 18:56:49,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:49,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:49,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:49,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:49,589 INFO L87 Difference]: Start difference. First operand 587 states and 1024 transitions. Second operand 5 states. [2021-01-06 18:56:49,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:49,846 INFO L93 Difference]: Finished difference Result 1691 states and 2978 transitions. [2021-01-06 18:56:49,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:56:49,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2021-01-06 18:56:49,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:49,854 INFO L225 Difference]: With dead ends: 1691 [2021-01-06 18:56:49,854 INFO L226 Difference]: Without dead ends: 1135 [2021-01-06 18:56:49,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:56:49,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2021-01-06 18:56:49,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 587. [2021-01-06 18:56:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2021-01-06 18:56:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1022 transitions. [2021-01-06 18:56:49,910 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1022 transitions. Word has length 66 [2021-01-06 18:56:49,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:49,911 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 1022 transitions. [2021-01-06 18:56:49,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1022 transitions. [2021-01-06 18:56:49,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:56:49,916 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:49,917 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:49,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:56:49,917 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:49,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:49,918 INFO L82 PathProgramCache]: Analyzing trace with hash 428201736, now seen corresponding path program 1 times [2021-01-06 18:56:49,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:49,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809672041] [2021-01-06 18:56:49,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:49,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809672041] [2021-01-06 18:56:49,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:49,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:49,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145990392] [2021-01-06 18:56:49,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:49,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:49,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:49,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:49,996 INFO L87 Difference]: Start difference. First operand 587 states and 1022 transitions. Second operand 3 states. [2021-01-06 18:56:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:50,081 INFO L93 Difference]: Finished difference Result 1689 states and 2970 transitions. [2021-01-06 18:56:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:50,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:56:50,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:50,090 INFO L225 Difference]: With dead ends: 1689 [2021-01-06 18:56:50,090 INFO L226 Difference]: Without dead ends: 1133 [2021-01-06 18:56:50,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:50,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2021-01-06 18:56:50,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 957. [2021-01-06 18:56:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2021-01-06 18:56:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1699 transitions. [2021-01-06 18:56:50,183 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1699 transitions. Word has length 67 [2021-01-06 18:56:50,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:50,183 INFO L481 AbstractCegarLoop]: Abstraction has 957 states and 1699 transitions. [2021-01-06 18:56:50,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1699 transitions. [2021-01-06 18:56:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:56:50,188 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:50,189 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:50,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:56:50,189 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:50,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:50,190 INFO L82 PathProgramCache]: Analyzing trace with hash 137116966, now seen corresponding path program 1 times [2021-01-06 18:56:50,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:50,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409199186] [2021-01-06 18:56:50,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:50,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409199186] [2021-01-06 18:56:50,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418535315] [2021-01-06 18:56:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:56:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:50,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:56:50,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:56:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:50,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:56:50,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:56:50,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044321058] [2021-01-06 18:56:50,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:50,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:50,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:50,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:50,889 INFO L87 Difference]: Start difference. First operand 957 states and 1699 transitions. Second operand 5 states. [2021-01-06 18:56:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:51,040 INFO L93 Difference]: Finished difference Result 1532 states and 2676 transitions. [2021-01-06 18:56:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:56:51,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 18:56:51,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:51,050 INFO L225 Difference]: With dead ends: 1532 [2021-01-06 18:56:51,050 INFO L226 Difference]: Without dead ends: 1356 [2021-01-06 18:56:51,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:51,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2021-01-06 18:56:51,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1177. [2021-01-06 18:56:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2021-01-06 18:56:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 2096 transitions. [2021-01-06 18:56:51,197 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 2096 transitions. Word has length 67 [2021-01-06 18:56:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:51,197 INFO L481 AbstractCegarLoop]: Abstraction has 1177 states and 2096 transitions. [2021-01-06 18:56:51,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 2096 transitions. [2021-01-06 18:56:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:56:51,200 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:51,201 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] [2021-01-06 18:56:51,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:56:51,416 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:51,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:51,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1858639171, now seen corresponding path program 1 times [2021-01-06 18:56:51,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:51,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442285551] [2021-01-06 18:56:51,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:51,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442285551] [2021-01-06 18:56:51,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:51,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:51,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908692911] [2021-01-06 18:56:51,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:51,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:51,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:51,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:51,499 INFO L87 Difference]: Start difference. First operand 1177 states and 2096 transitions. Second operand 3 states. [2021-01-06 18:56:51,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:51,660 INFO L93 Difference]: Finished difference Result 3161 states and 5655 transitions. [2021-01-06 18:56:51,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:51,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:56:51,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:51,676 INFO L225 Difference]: With dead ends: 3161 [2021-01-06 18:56:51,676 INFO L226 Difference]: Without dead ends: 2085 [2021-01-06 18:56:51,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:51,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2021-01-06 18:56:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1909. [2021-01-06 18:56:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2021-01-06 18:56:51,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 3429 transitions. [2021-01-06 18:56:51,880 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 3429 transitions. Word has length 71 [2021-01-06 18:56:51,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:51,883 INFO L481 AbstractCegarLoop]: Abstraction has 1909 states and 3429 transitions. [2021-01-06 18:56:51,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 3429 transitions. [2021-01-06 18:56:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:56:51,889 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:51,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:51,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:56:51,890 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:51,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:51,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1594699069, now seen corresponding path program 1 times [2021-01-06 18:56:51,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:51,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311958163] [2021-01-06 18:56:51,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:52,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311958163] [2021-01-06 18:56:52,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:52,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:52,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174313477] [2021-01-06 18:56:52,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:52,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:52,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:52,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:52,026 INFO L87 Difference]: Start difference. First operand 1909 states and 3429 transitions. Second operand 3 states. [2021-01-06 18:56:52,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:52,386 INFO L93 Difference]: Finished difference Result 5093 states and 9173 transitions. [2021-01-06 18:56:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:52,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:56:52,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:52,408 INFO L225 Difference]: With dead ends: 5093 [2021-01-06 18:56:52,408 INFO L226 Difference]: Without dead ends: 3319 [2021-01-06 18:56:52,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:52,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3319 states. [2021-01-06 18:56:52,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3319 to 3143. [2021-01-06 18:56:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3143 states. [2021-01-06 18:56:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 3143 states and 5670 transitions. [2021-01-06 18:56:52,683 INFO L78 Accepts]: Start accepts. Automaton has 3143 states and 5670 transitions. Word has length 72 [2021-01-06 18:56:52,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:52,683 INFO L481 AbstractCegarLoop]: Abstraction has 3143 states and 5670 transitions. [2021-01-06 18:56:52,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:52,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 5670 transitions. [2021-01-06 18:56:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:56:52,689 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:52,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:52,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:56:52,689 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:52,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:52,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1883013452, now seen corresponding path program 1 times [2021-01-06 18:56:52,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:52,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463322935] [2021-01-06 18:56:52,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:52,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463322935] [2021-01-06 18:56:52,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:52,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:52,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510776709] [2021-01-06 18:56:52,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:52,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:52,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:52,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:52,832 INFO L87 Difference]: Start difference. First operand 3143 states and 5670 transitions. Second operand 3 states. [2021-01-06 18:56:53,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:53,252 INFO L93 Difference]: Finished difference Result 8511 states and 15379 transitions. [2021-01-06 18:56:53,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:53,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2021-01-06 18:56:53,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:53,286 INFO L225 Difference]: With dead ends: 8511 [2021-01-06 18:56:53,286 INFO L226 Difference]: Without dead ends: 5537 [2021-01-06 18:56:53,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:53,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5537 states. [2021-01-06 18:56:53,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5537 to 5361. [2021-01-06 18:56:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5361 states. [2021-01-06 18:56:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5361 states to 5361 states and 9687 transitions. [2021-01-06 18:56:53,757 INFO L78 Accepts]: Start accepts. Automaton has 5361 states and 9687 transitions. Word has length 73 [2021-01-06 18:56:53,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:53,758 INFO L481 AbstractCegarLoop]: Abstraction has 5361 states and 9687 transitions. [2021-01-06 18:56:53,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 5361 states and 9687 transitions. [2021-01-06 18:56:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:56:53,767 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:53,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:53,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:56:53,768 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:53,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:53,768 INFO L82 PathProgramCache]: Analyzing trace with hash -419679468, now seen corresponding path program 1 times [2021-01-06 18:56:53,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:53,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722723123] [2021-01-06 18:56:53,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:53,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722723123] [2021-01-06 18:56:53,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:53,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:53,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315541274] [2021-01-06 18:56:53,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:53,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:53,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:53,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:53,847 INFO L87 Difference]: Start difference. First operand 5361 states and 9687 transitions. Second operand 3 states. [2021-01-06 18:56:54,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:54,474 INFO L93 Difference]: Finished difference Result 15491 states and 28041 transitions. [2021-01-06 18:56:54,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:54,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:56:54,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:54,537 INFO L225 Difference]: With dead ends: 15491 [2021-01-06 18:56:54,538 INFO L226 Difference]: Without dead ends: 10307 [2021-01-06 18:56:54,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:54,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10307 states. [2021-01-06 18:56:55,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10307 to 10131. [2021-01-06 18:56:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10131 states. [2021-01-06 18:56:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10131 states to 10131 states and 18328 transitions. [2021-01-06 18:56:55,249 INFO L78 Accepts]: Start accepts. Automaton has 10131 states and 18328 transitions. Word has length 74 [2021-01-06 18:56:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:55,249 INFO L481 AbstractCegarLoop]: Abstraction has 10131 states and 18328 transitions. [2021-01-06 18:56:55,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 10131 states and 18328 transitions. [2021-01-06 18:56:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:56:55,259 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:55,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:55,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:56:55,260 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:55,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:55,260 INFO L82 PathProgramCache]: Analyzing trace with hash 112762467, now seen corresponding path program 1 times [2021-01-06 18:56:55,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:55,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560460415] [2021-01-06 18:56:55,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:55,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560460415] [2021-01-06 18:56:55,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:55,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:55,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100534235] [2021-01-06 18:56:55,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:55,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:55,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:55,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:55,332 INFO L87 Difference]: Start difference. First operand 10131 states and 18328 transitions. Second operand 3 states. [2021-01-06 18:56:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:56,591 INFO L93 Difference]: Finished difference Result 29631 states and 53663 transitions. [2021-01-06 18:56:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:56,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:56:56,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:56,657 INFO L225 Difference]: With dead ends: 29631 [2021-01-06 18:56:56,657 INFO L226 Difference]: Without dead ends: 19685 [2021-01-06 18:56:56,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:56,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19685 states. [2021-01-06 18:56:57,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19685 to 19509. [2021-01-06 18:56:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19509 states. [2021-01-06 18:56:57,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19509 states to 19509 states and 35289 transitions. [2021-01-06 18:56:57,846 INFO L78 Accepts]: Start accepts. Automaton has 19509 states and 35289 transitions. Word has length 75 [2021-01-06 18:56:57,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:57,846 INFO L481 AbstractCegarLoop]: Abstraction has 19509 states and 35289 transitions. [2021-01-06 18:56:57,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 19509 states and 35289 transitions. [2021-01-06 18:56:57,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:56:57,858 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:57,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:57,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:56:57,859 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:57,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:57,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1327055139, now seen corresponding path program 1 times [2021-01-06 18:56:57,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:57,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782085389] [2021-01-06 18:56:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:57,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782085389] [2021-01-06 18:56:57,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:57,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:57,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448676093] [2021-01-06 18:56:57,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:57,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:57,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:57,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:57,933 INFO L87 Difference]: Start difference. First operand 19509 states and 35289 transitions. Second operand 3 states. [2021-01-06 18:57:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:00,159 INFO L93 Difference]: Finished difference Result 57951 states and 104860 transitions. [2021-01-06 18:57:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:00,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:57:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:00,304 INFO L225 Difference]: With dead ends: 57951 [2021-01-06 18:57:00,304 INFO L226 Difference]: Without dead ends: 38631 [2021-01-06 18:57:00,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:00,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38631 states. [2021-01-06 18:57:03,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38631 to 38455. [2021-01-06 18:57:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38455 states. [2021-01-06 18:57:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38455 states to 38455 states and 69466 transitions. [2021-01-06 18:57:03,135 INFO L78 Accepts]: Start accepts. Automaton has 38455 states and 69466 transitions. Word has length 76 [2021-01-06 18:57:03,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:03,135 INFO L481 AbstractCegarLoop]: Abstraction has 38455 states and 69466 transitions. [2021-01-06 18:57:03,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:03,136 INFO L276 IsEmpty]: Start isEmpty. Operand 38455 states and 69466 transitions. [2021-01-06 18:57:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:57:03,150 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:03,150 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] [2021-01-06 18:57:03,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:57:03,151 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:03,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:03,152 INFO L82 PathProgramCache]: Analyzing trace with hash -465632694, now seen corresponding path program 1 times [2021-01-06 18:57:03,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:03,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307918487] [2021-01-06 18:57:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:57:03,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307918487] [2021-01-06 18:57:03,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:03,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:57:03,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893493766] [2021-01-06 18:57:03,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:03,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:03,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:03,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:03,255 INFO L87 Difference]: Start difference. First operand 38455 states and 69466 transitions. Second operand 5 states. [2021-01-06 18:57:06,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:06,266 INFO L93 Difference]: Finished difference Result 113060 states and 204197 transitions. [2021-01-06 18:57:06,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:57:06,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2021-01-06 18:57:06,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:06,658 INFO L225 Difference]: With dead ends: 113060 [2021-01-06 18:57:06,658 INFO L226 Difference]: Without dead ends: 74862 [2021-01-06 18:57:06,760 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 18:57:06,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74862 states. [2021-01-06 18:57:09,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74862 to 38455. [2021-01-06 18:57:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38455 states. [2021-01-06 18:57:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38455 states to 38455 states and 69208 transitions. [2021-01-06 18:57:09,463 INFO L78 Accepts]: Start accepts. Automaton has 38455 states and 69208 transitions. Word has length 77 [2021-01-06 18:57:09,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:09,463 INFO L481 AbstractCegarLoop]: Abstraction has 38455 states and 69208 transitions. [2021-01-06 18:57:09,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 38455 states and 69208 transitions. [2021-01-06 18:57:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:57:09,482 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:09,482 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] [2021-01-06 18:57:09,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:57:09,483 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:09,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:09,483 INFO L82 PathProgramCache]: Analyzing trace with hash -756717464, now seen corresponding path program 2 times [2021-01-06 18:57:09,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:09,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224019423] [2021-01-06 18:57:09,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:57:09,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224019423] [2021-01-06 18:57:09,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:09,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:57:09,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119959186] [2021-01-06 18:57:09,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:09,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:09,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:09,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:09,557 INFO L87 Difference]: Start difference. First operand 38455 states and 69208 transitions. Second operand 5 states. [2021-01-06 18:57:11,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:11,024 INFO L93 Difference]: Finished difference Result 76823 states and 138262 transitions. [2021-01-06 18:57:11,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:57:11,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2021-01-06 18:57:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:11,129 INFO L225 Difference]: With dead ends: 76823 [2021-01-06 18:57:11,130 INFO L226 Difference]: Without dead ends: 38631 [2021-01-06 18:57:11,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:57:11,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38631 states. [2021-01-06 18:57:12,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38631 to 38455. [2021-01-06 18:57:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38455 states. [2021-01-06 18:57:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38455 states to 38455 states and 69080 transitions. [2021-01-06 18:57:13,054 INFO L78 Accepts]: Start accepts. Automaton has 38455 states and 69080 transitions. Word has length 77 [2021-01-06 18:57:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:13,054 INFO L481 AbstractCegarLoop]: Abstraction has 38455 states and 69080 transitions. [2021-01-06 18:57:13,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 38455 states and 69080 transitions. [2021-01-06 18:57:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:57:13,067 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:13,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:13,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:57:13,067 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:13,068 INFO L82 PathProgramCache]: Analyzing trace with hash 844653525, now seen corresponding path program 1 times [2021-01-06 18:57:13,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:13,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658731941] [2021-01-06 18:57:13,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:57:13,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658731941] [2021-01-06 18:57:13,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:13,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:13,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024748671] [2021-01-06 18:57:13,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:13,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:13,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:13,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:13,129 INFO L87 Difference]: Start difference. First operand 38455 states and 69080 transitions. Second operand 3 states. [2021-01-06 18:57:16,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:16,042 INFO L93 Difference]: Finished difference Result 106945 states and 191840 transitions. [2021-01-06 18:57:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:16,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:57:16,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:16,192 INFO L225 Difference]: With dead ends: 106945 [2021-01-06 18:57:16,193 INFO L226 Difference]: Without dead ends: 68713 [2021-01-06 18:57:16,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68713 states. [2021-01-06 18:57:19,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68713 to 68537. [2021-01-06 18:57:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68537 states. [2021-01-06 18:57:19,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68537 states to 68537 states and 122585 transitions. [2021-01-06 18:57:19,921 INFO L78 Accepts]: Start accepts. Automaton has 68537 states and 122585 transitions. Word has length 77 [2021-01-06 18:57:19,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:19,921 INFO L481 AbstractCegarLoop]: Abstraction has 68537 states and 122585 transitions. [2021-01-06 18:57:19,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:19,922 INFO L276 IsEmpty]: Start isEmpty. Operand 68537 states and 122585 transitions. [2021-01-06 18:57:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:57:19,933 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:19,933 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:19,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:57:19,934 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:19,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:19,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1678974126, now seen corresponding path program 1 times [2021-01-06 18:57:19,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:19,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591099101] [2021-01-06 18:57:19,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:57:20,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591099101] [2021-01-06 18:57:20,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:20,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:57:20,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53819869] [2021-01-06 18:57:20,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:57:20,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:20,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:57:20,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:57:20,156 INFO L87 Difference]: Start difference. First operand 68537 states and 122585 transitions. Second operand 9 states. [2021-01-06 18:57:25,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:25,879 INFO L93 Difference]: Finished difference Result 137903 states and 246469 transitions. [2021-01-06 18:57:25,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:57:25,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2021-01-06 18:57:25,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:26,247 INFO L225 Difference]: With dead ends: 137903 [2021-01-06 18:57:26,247 INFO L226 Difference]: Without dead ends: 137747 [2021-01-06 18:57:26,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:57:26,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137747 states. [2021-01-06 18:57:32,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137747 to 136851. [2021-01-06 18:57:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136851 states. [2021-01-06 18:57:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136851 states to 136851 states and 244805 transitions. [2021-01-06 18:57:32,637 INFO L78 Accepts]: Start accepts. Automaton has 136851 states and 244805 transitions. Word has length 78 [2021-01-06 18:57:32,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:32,637 INFO L481 AbstractCegarLoop]: Abstraction has 136851 states and 244805 transitions. [2021-01-06 18:57:32,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:57:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 136851 states and 244805 transitions. [2021-01-06 18:57:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:57:32,656 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:32,656 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:32,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:57:32,657 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:32,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:32,657 INFO L82 PathProgramCache]: Analyzing trace with hash 2104062041, now seen corresponding path program 1 times [2021-01-06 18:57:32,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:32,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604521267] [2021-01-06 18:57:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:57:32,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604521267] [2021-01-06 18:57:32,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:32,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:57:32,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87733805] [2021-01-06 18:57:32,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:57:32,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:32,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:57:32,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:57:32,788 INFO L87 Difference]: Start difference. First operand 136851 states and 244805 transitions. Second operand 6 states. [2021-01-06 18:57:37,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:37,965 INFO L93 Difference]: Finished difference Result 137153 states and 245291 transitions. [2021-01-06 18:57:37,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:57:37,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2021-01-06 18:57:37,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:38,249 INFO L225 Difference]: With dead ends: 137153 [2021-01-06 18:57:38,249 INFO L226 Difference]: Without dead ends: 136875 [2021-01-06 18:57:38,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:57:38,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136875 states. [2021-01-06 18:57:44,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136875 to 136839. [2021-01-06 18:57:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136839 states. [2021-01-06 18:57:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136839 states to 136839 states and 244778 transitions. [2021-01-06 18:57:44,535 INFO L78 Accepts]: Start accepts. Automaton has 136839 states and 244778 transitions. Word has length 79 [2021-01-06 18:57:44,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:44,535 INFO L481 AbstractCegarLoop]: Abstraction has 136839 states and 244778 transitions. [2021-01-06 18:57:44,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:57:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 136839 states and 244778 transitions. [2021-01-06 18:57:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:57:44,552 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:44,552 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:44,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:57:44,552 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:44,553 INFO L82 PathProgramCache]: Analyzing trace with hash 2086420079, now seen corresponding path program 1 times [2021-01-06 18:57:44,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:44,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202138420] [2021-01-06 18:57:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:57:44,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202138420] [2021-01-06 18:57:44,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:44,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:57:44,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135350951] [2021-01-06 18:57:44,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:57:44,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:44,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:57:44,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:57:44,971 INFO L87 Difference]: Start difference. First operand 136839 states and 244778 transitions. Second operand 8 states. [2021-01-06 18:57:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:50,429 INFO L93 Difference]: Finished difference Result 138333 states and 247170 transitions. [2021-01-06 18:57:50,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 18:57:50,430 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2021-01-06 18:57:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:50,714 INFO L225 Difference]: With dead ends: 138333 [2021-01-06 18:57:50,714 INFO L226 Difference]: Without dead ends: 138099 [2021-01-06 18:57:50,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 18:57:50,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138099 states. [2021-01-06 18:57:56,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138099 to 137093. [2021-01-06 18:57:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137093 states. [2021-01-06 18:57:57,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137093 states to 137093 states and 245184 transitions. [2021-01-06 18:57:57,486 INFO L78 Accepts]: Start accepts. Automaton has 137093 states and 245184 transitions. Word has length 79 [2021-01-06 18:57:57,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:57,487 INFO L481 AbstractCegarLoop]: Abstraction has 137093 states and 245184 transitions. [2021-01-06 18:57:57,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:57:57,487 INFO L276 IsEmpty]: Start isEmpty. Operand 137093 states and 245184 transitions. [2021-01-06 18:57:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:57:57,502 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:57,503 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] [2021-01-06 18:57:57,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:57:57,503 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:57,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:57,504 INFO L82 PathProgramCache]: Analyzing trace with hash 353314900, now seen corresponding path program 1 times [2021-01-06 18:57:57,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:57,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130654829] [2021-01-06 18:57:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:57:57,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130654829] [2021-01-06 18:57:57,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:57,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:57:57,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342913615] [2021-01-06 18:57:57,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:57:57,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:57,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:57:57,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:57:57,601 INFO L87 Difference]: Start difference. First operand 137093 states and 245184 transitions. Second operand 7 states. [2021-01-06 18:58:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:02,890 INFO L93 Difference]: Finished difference Result 137834 states and 246363 transitions. [2021-01-06 18:58:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:58:02,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2021-01-06 18:58:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:03,160 INFO L225 Difference]: With dead ends: 137834 [2021-01-06 18:58:03,160 INFO L226 Difference]: Without dead ends: 137364 [2021-01-06 18:58:03,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:58:03,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137364 states. [2021-01-06 18:58:09,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137364 to 137043. [2021-01-06 18:58:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137043 states. [2021-01-06 18:58:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137043 states to 137043 states and 245100 transitions. [2021-01-06 18:58:09,762 INFO L78 Accepts]: Start accepts. Automaton has 137043 states and 245100 transitions. Word has length 80 [2021-01-06 18:58:09,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:09,762 INFO L481 AbstractCegarLoop]: Abstraction has 137043 states and 245100 transitions. [2021-01-06 18:58:09,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:58:09,762 INFO L276 IsEmpty]: Start isEmpty. Operand 137043 states and 245100 transitions. [2021-01-06 18:58:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:58:09,781 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:09,781 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:09,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:58:09,782 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:09,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:09,782 INFO L82 PathProgramCache]: Analyzing trace with hash 893879682, now seen corresponding path program 1 times [2021-01-06 18:58:09,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:09,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092314187] [2021-01-06 18:58:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:09,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092314187] [2021-01-06 18:58:09,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:09,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:58:09,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069100092] [2021-01-06 18:58:09,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:58:09,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:09,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:58:09,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:58:09,844 INFO L87 Difference]: Start difference. First operand 137043 states and 245100 transitions. Second operand 4 states. [2021-01-06 18:58:15,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:15,123 INFO L93 Difference]: Finished difference Result 138163 states and 246864 transitions. [2021-01-06 18:58:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:58:15,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2021-01-06 18:58:15,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:15,538 INFO L225 Difference]: With dead ends: 138163 [2021-01-06 18:58:15,538 INFO L226 Difference]: Without dead ends: 137697 [2021-01-06 18:58:15,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:15,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137697 states. [2021-01-06 18:58:21,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137697 to 137051. [2021-01-06 18:58:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137051 states. [2021-01-06 18:58:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137051 states to 137051 states and 245108 transitions. [2021-01-06 18:58:21,980 INFO L78 Accepts]: Start accepts. Automaton has 137051 states and 245108 transitions. Word has length 82 [2021-01-06 18:58:21,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:21,980 INFO L481 AbstractCegarLoop]: Abstraction has 137051 states and 245108 transitions. [2021-01-06 18:58:21,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:58:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 137051 states and 245108 transitions. [2021-01-06 18:58:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:58:21,997 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:21,997 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:21,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:58:21,997 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:21,998 INFO L82 PathProgramCache]: Analyzing trace with hash 753331072, now seen corresponding path program 1 times [2021-01-06 18:58:21,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:21,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499284393] [2021-01-06 18:58:21,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:22,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499284393] [2021-01-06 18:58:22,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:22,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:58:22,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218880709] [2021-01-06 18:58:22,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:58:22,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:22,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:58:22,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:58:22,107 INFO L87 Difference]: Start difference. First operand 137051 states and 245108 transitions. Second operand 9 states. [2021-01-06 18:58:33,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:33,209 INFO L93 Difference]: Finished difference Result 276878 states and 494495 transitions. [2021-01-06 18:58:33,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 18:58:33,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2021-01-06 18:58:33,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:34,152 INFO L225 Difference]: With dead ends: 276878 [2021-01-06 18:58:34,153 INFO L226 Difference]: Without dead ends: 276404 [2021-01-06 18:58:34,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2021-01-06 18:58:34,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276404 states. [2021-01-06 18:58:48,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276404 to 273912. [2021-01-06 18:58:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273912 states. [2021-01-06 18:58:49,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273912 states to 273912 states and 489896 transitions. [2021-01-06 18:58:49,830 INFO L78 Accepts]: Start accepts. Automaton has 273912 states and 489896 transitions. Word has length 82 [2021-01-06 18:58:49,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:49,831 INFO L481 AbstractCegarLoop]: Abstraction has 273912 states and 489896 transitions. [2021-01-06 18:58:49,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:58:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 273912 states and 489896 transitions. [2021-01-06 18:58:49,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:58:49,864 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:49,864 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:49,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:58:49,865 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:49,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:49,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1914651683, now seen corresponding path program 1 times [2021-01-06 18:58:49,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:49,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033499852] [2021-01-06 18:58:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:49,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033499852] [2021-01-06 18:58:49,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:49,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:58:49,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802790758] [2021-01-06 18:58:49,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:49,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:49,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:49,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:49,955 INFO L87 Difference]: Start difference. First operand 273912 states and 489896 transitions. Second operand 5 states. [2021-01-06 18:59:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:59:00,533 INFO L93 Difference]: Finished difference Result 275650 states and 492662 transitions. [2021-01-06 18:59:00,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:59:00,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 18:59:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:59:01,388 INFO L225 Difference]: With dead ends: 275650 [2021-01-06 18:59:01,389 INFO L226 Difference]: Without dead ends: 274607 [2021-01-06 18:59:01,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:59:01,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274607 states. [2021-01-06 18:59:13,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274607 to 273844. [2021-01-06 18:59:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273844 states. [2021-01-06 18:59:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273844 states to 273844 states and 489778 transitions. [2021-01-06 18:59:14,962 INFO L78 Accepts]: Start accepts. Automaton has 273844 states and 489778 transitions. Word has length 82 [2021-01-06 18:59:14,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:59:14,962 INFO L481 AbstractCegarLoop]: Abstraction has 273844 states and 489778 transitions. [2021-01-06 18:59:14,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:59:14,963 INFO L276 IsEmpty]: Start isEmpty. Operand 273844 states and 489778 transitions. [2021-01-06 18:59:14,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:59:14,994 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:59:14,994 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:59:14,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:59:14,995 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:59:14,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:59:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1779046402, now seen corresponding path program 1 times [2021-01-06 18:59:14,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:59:14,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476269006] [2021-01-06 18:59:14,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:59:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:59:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:59:15,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476269006] [2021-01-06 18:59:15,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:59:15,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:59:15,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253861916] [2021-01-06 18:59:15,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:59:15,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:59:15,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:59:15,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:59:15,084 INFO L87 Difference]: Start difference. First operand 273844 states and 489778 transitions. Second operand 4 states. [2021-01-06 18:59:26,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:59:26,039 INFO L93 Difference]: Finished difference Result 274503 states and 490794 transitions. [2021-01-06 18:59:26,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:59:26,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2021-01-06 18:59:26,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:59:26,855 INFO L225 Difference]: With dead ends: 274503 [2021-01-06 18:59:26,855 INFO L226 Difference]: Without dead ends: 274009 [2021-01-06 18:59:26,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:59:27,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274009 states. [2021-01-06 18:59:39,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274009 to 273717. [2021-01-06 18:59:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273717 states. [2021-01-06 18:59:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273717 states to 273717 states and 489567 transitions. [2021-01-06 18:59:40,287 INFO L78 Accepts]: Start accepts. Automaton has 273717 states and 489567 transitions. Word has length 82 [2021-01-06 18:59:40,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:59:40,288 INFO L481 AbstractCegarLoop]: Abstraction has 273717 states and 489567 transitions. [2021-01-06 18:59:40,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:59:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 273717 states and 489567 transitions. [2021-01-06 18:59:40,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:59:40,341 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:59:40,341 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:59:40,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:59:40,342 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:59:40,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:59:40,342 INFO L82 PathProgramCache]: Analyzing trace with hash 633035795, now seen corresponding path program 1 times [2021-01-06 18:59:40,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:59:40,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418797798] [2021-01-06 18:59:40,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:59:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:59:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:59:40,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418797798] [2021-01-06 18:59:40,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:59:40,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:59:40,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055953435] [2021-01-06 18:59:40,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:59:40,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:59:40,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:59:40,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:59:40,415 INFO L87 Difference]: Start difference. First operand 273717 states and 489567 transitions. Second operand 5 states. [2021-01-06 19:00:03,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:00:03,168 INFO L93 Difference]: Finished difference Result 774535 states and 1380773 transitions. [2021-01-06 19:00:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:00:03,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2021-01-06 19:00:03,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:00:04,786 INFO L225 Difference]: With dead ends: 774535 [2021-01-06 19:00:04,786 INFO L226 Difference]: Without dead ends: 501200 [2021-01-06 19:00:05,087 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 19:00:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501200 states.