/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_spec0_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:40:46,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:40:46,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:40:46,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:40:46,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:40:46,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:40:46,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:40:46,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:40:46,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:40:46,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:40:46,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:40:46,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:40:46,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:40:46,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:40:46,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:40:46,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:40:46,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:40:46,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:40:46,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:40:46,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:40:46,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:40:46,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:40:46,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:40:46,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:40:46,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:40:46,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:40:46,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:40:46,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:40:46,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:40:46,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:40:46,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:40:46,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:40:46,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:40:46,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:40:46,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:40:46,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:40:46,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:40:46,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:40:46,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:40:46,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:40:46,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:40:46,617 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:40:46,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:40:46,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:40:46,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:40:46,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:40:46,648 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:40:46,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:40:46,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:40:46,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:40:46,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:40:46,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:40:46,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:40:46,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:40:46,650 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:40:46,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:40:46,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:40:46,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:40:46,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:40:46,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:40:46,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:40:46,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:40:46,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:40:46,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:40:46,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:40:46,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:40:46,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:40:46,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:40:47,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:40:47,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:40:47,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:40:47,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:40:47,039 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:40:47,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2020-12-23 08:40:47,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6fb19aac6/b8aeb745706c4c0aba5b725094206f4d/FLAG86239149b [2020-12-23 08:40:47,898 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:40:47,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2020-12-23 08:40:47,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6fb19aac6/b8aeb745706c4c0aba5b725094206f4d/FLAG86239149b [2020-12-23 08:40:48,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6fb19aac6/b8aeb745706c4c0aba5b725094206f4d [2020-12-23 08:40:48,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:40:48,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:40:48,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:40:48,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:40:48,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:40:48,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:40:48" (1/1) ... [2020-12-23 08:40:48,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14aaa766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:48, skipping insertion in model container [2020-12-23 08:40:48,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:40:48" (1/1) ... [2020-12-23 08:40:48,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:40:48,261 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] 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[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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[~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_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~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_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~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_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] 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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~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_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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~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[~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_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~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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~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_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~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:40:48,948 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_spec0_product26.cil.c[63558,63571] [2020-12-23 08:40:48,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:40:48,982 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] 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[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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[~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_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~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_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~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_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] 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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~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_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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~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[~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_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~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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~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_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~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:40:49,178 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_spec0_product26.cil.c[63558,63571] [2020-12-23 08:40:49,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:40:49,264 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:40:49,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49 WrapperNode [2020-12-23 08:40:49,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:40:49,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:40:49,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:40:49,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:40:49,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:40:49,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:40:49,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:40:49,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:40:49,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... [2020-12-23 08:40:49,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:40:49,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:40:49,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:40:49,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:40:49,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:40:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:40:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:40:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:40:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:40:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:40:53,888 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:40:53,889 INFO L299 CfgBuilder]: Removed 725 assume(true) statements. [2020-12-23 08:40:53,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:40:53 BoogieIcfgContainer [2020-12-23 08:40:53,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:40:53,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:40:53,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:40:53,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:40:53,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:40:48" (1/3) ... [2020-12-23 08:40:53,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6beb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:40:53, skipping insertion in model container [2020-12-23 08:40:53,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:49" (2/3) ... [2020-12-23 08:40:53,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6beb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:40:53, skipping insertion in model container [2020-12-23 08:40:53,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:40:53" (3/3) ... [2020-12-23 08:40:53,903 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2020-12-23 08:40:53,911 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:40:53,918 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 08:40:53,941 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 08:40:53,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:40:53,978 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:40:53,978 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:40:53,978 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:40:53,981 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:40:53,981 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:40:53,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:40:53,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:40:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states. [2020-12-23 08:40:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:40:54,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:54,038 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] [2020-12-23 08:40:54,039 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:54,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:54,046 INFO L82 PathProgramCache]: Analyzing trace with hash -590532666, now seen corresponding path program 1 times [2020-12-23 08:40:54,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:54,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908661256] [2020-12-23 08:40:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:54,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908661256] [2020-12-23 08:40:54,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:54,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:54,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782863299] [2020-12-23 08:40:54,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:54,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:54,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:54,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:54,542 INFO L87 Difference]: Start difference. First operand 1026 states. Second operand 3 states. [2020-12-23 08:40:54,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:54,808 INFO L93 Difference]: Finished difference Result 3043 states and 5219 transitions. [2020-12-23 08:40:54,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:54,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 08:40:54,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:54,862 INFO L225 Difference]: With dead ends: 3043 [2020-12-23 08:40:54,862 INFO L226 Difference]: Without dead ends: 1928 [2020-12-23 08:40:54,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:54,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2020-12-23 08:40:55,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 973. [2020-12-23 08:40:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-12-23 08:40:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1664 transitions. [2020-12-23 08:40:55,008 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1664 transitions. Word has length 61 [2020-12-23 08:40:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:55,009 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1664 transitions. [2020-12-23 08:40:55,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1664 transitions. [2020-12-23 08:40:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 08:40:55,016 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:55,017 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] [2020-12-23 08:40:55,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:40:55,017 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:55,018 INFO L82 PathProgramCache]: Analyzing trace with hash -433143979, now seen corresponding path program 1 times [2020-12-23 08:40:55,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:55,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924008829] [2020-12-23 08:40:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:55,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924008829] [2020-12-23 08:40:55,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:55,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:40:55,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91229127] [2020-12-23 08:40:55,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:55,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:55,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:55,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:55,244 INFO L87 Difference]: Start difference. First operand 973 states and 1664 transitions. Second operand 5 states. [2020-12-23 08:40:55,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:55,524 INFO L93 Difference]: Finished difference Result 2868 states and 4908 transitions. [2020-12-23 08:40:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:40:55,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-12-23 08:40:55,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:55,537 INFO L225 Difference]: With dead ends: 2868 [2020-12-23 08:40:55,538 INFO L226 Difference]: Without dead ends: 1914 [2020-12-23 08:40:55,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:40:55,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2020-12-23 08:40:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 973. [2020-12-23 08:40:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-12-23 08:40:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1663 transitions. [2020-12-23 08:40:55,595 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1663 transitions. Word has length 63 [2020-12-23 08:40:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:55,596 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1663 transitions. [2020-12-23 08:40:55,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1663 transitions. [2020-12-23 08:40:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:40:55,599 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:55,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:55,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:40:55,600 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:55,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:55,600 INFO L82 PathProgramCache]: Analyzing trace with hash -891113880, now seen corresponding path program 1 times [2020-12-23 08:40:55,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:55,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679033535] [2020-12-23 08:40:55,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:55,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679033535] [2020-12-23 08:40:55,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:55,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:55,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896760067] [2020-12-23 08:40:55,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:55,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:55,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:55,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:55,709 INFO L87 Difference]: Start difference. First operand 973 states and 1663 transitions. Second operand 3 states. [2020-12-23 08:40:55,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:55,778 INFO L93 Difference]: Finished difference Result 1928 states and 3300 transitions. [2020-12-23 08:40:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:55,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 08:40:55,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:55,784 INFO L225 Difference]: With dead ends: 1928 [2020-12-23 08:40:55,785 INFO L226 Difference]: Without dead ends: 978 [2020-12-23 08:40:55,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:55,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2020-12-23 08:40:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 973. [2020-12-23 08:40:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-12-23 08:40:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1662 transitions. [2020-12-23 08:40:55,830 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1662 transitions. Word has length 64 [2020-12-23 08:40:55,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:55,830 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1662 transitions. [2020-12-23 08:40:55,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1662 transitions. [2020-12-23 08:40:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:40:55,832 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:55,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:55,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:40:55,833 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:55,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:55,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1107954462, now seen corresponding path program 1 times [2020-12-23 08:40:55,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:55,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369802180] [2020-12-23 08:40:55,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:56,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369802180] [2020-12-23 08:40:56,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:56,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:56,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773231070] [2020-12-23 08:40:56,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:56,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:56,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:56,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:56,012 INFO L87 Difference]: Start difference. First operand 973 states and 1662 transitions. Second operand 3 states. [2020-12-23 08:40:56,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:56,087 INFO L93 Difference]: Finished difference Result 1938 states and 3313 transitions. [2020-12-23 08:40:56,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:56,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:40:56,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:56,094 INFO L225 Difference]: With dead ends: 1938 [2020-12-23 08:40:56,094 INFO L226 Difference]: Without dead ends: 973 [2020-12-23 08:40:56,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:56,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-12-23 08:40:56,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 973. [2020-12-23 08:40:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-12-23 08:40:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1660 transitions. [2020-12-23 08:40:56,144 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1660 transitions. Word has length 65 [2020-12-23 08:40:56,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:56,146 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1660 transitions. [2020-12-23 08:40:56,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1660 transitions. [2020-12-23 08:40:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:40:56,150 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:56,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:56,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:40:56,151 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:56,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:56,153 INFO L82 PathProgramCache]: Analyzing trace with hash 721125293, now seen corresponding path program 1 times [2020-12-23 08:40:56,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:56,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153561338] [2020-12-23 08:40:56,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:56,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153561338] [2020-12-23 08:40:56,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:56,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:40:56,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720370526] [2020-12-23 08:40:56,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:56,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:56,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:56,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:56,289 INFO L87 Difference]: Start difference. First operand 973 states and 1660 transitions. Second operand 5 states. [2020-12-23 08:40:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:56,530 INFO L93 Difference]: Finished difference Result 2858 states and 4888 transitions. [2020-12-23 08:40:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:40:56,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-12-23 08:40:56,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:56,545 INFO L225 Difference]: With dead ends: 2858 [2020-12-23 08:40:56,545 INFO L226 Difference]: Without dead ends: 1912 [2020-12-23 08:40:56,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:40:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-12-23 08:40:56,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 973. [2020-12-23 08:40:56,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-12-23 08:40:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1659 transitions. [2020-12-23 08:40:56,622 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1659 transitions. Word has length 66 [2020-12-23 08:40:56,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:56,623 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1659 transitions. [2020-12-23 08:40:56,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1659 transitions. [2020-12-23 08:40:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:40:56,625 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:56,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:56,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:40:56,625 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:56,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:56,626 INFO L82 PathProgramCache]: Analyzing trace with hash -454719830, now seen corresponding path program 1 times [2020-12-23 08:40:56,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:56,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14067486] [2020-12-23 08:40:56,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:56,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14067486] [2020-12-23 08:40:56,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:56,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:40:56,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208818205] [2020-12-23 08:40:56,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:56,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:56,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:56,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:56,785 INFO L87 Difference]: Start difference. First operand 973 states and 1659 transitions. Second operand 5 states. [2020-12-23 08:40:57,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:57,061 INFO L93 Difference]: Finished difference Result 2863 states and 4893 transitions. [2020-12-23 08:40:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:40:57,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2020-12-23 08:40:57,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:57,075 INFO L225 Difference]: With dead ends: 2863 [2020-12-23 08:40:57,075 INFO L226 Difference]: Without dead ends: 1917 [2020-12-23 08:40:57,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:40:57,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-12-23 08:40:57,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 973. [2020-12-23 08:40:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-12-23 08:40:57,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1658 transitions. [2020-12-23 08:40:57,155 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1658 transitions. Word has length 67 [2020-12-23 08:40:57,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:57,155 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1658 transitions. [2020-12-23 08:40:57,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1658 transitions. [2020-12-23 08:40:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:40:57,157 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:57,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:57,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:40:57,158 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:57,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:57,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1281417582, now seen corresponding path program 1 times [2020-12-23 08:40:57,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:57,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129266813] [2020-12-23 08:40:57,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:57,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129266813] [2020-12-23 08:40:57,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:57,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:57,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373874933] [2020-12-23 08:40:57,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:57,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:57,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:57,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:57,286 INFO L87 Difference]: Start difference. First operand 973 states and 1658 transitions. Second operand 3 states. [2020-12-23 08:40:57,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:57,354 INFO L93 Difference]: Finished difference Result 1661 states and 2803 transitions. [2020-12-23 08:40:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:57,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:40:57,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:57,361 INFO L225 Difference]: With dead ends: 1661 [2020-12-23 08:40:57,361 INFO L226 Difference]: Without dead ends: 976 [2020-12-23 08:40:57,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:57,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-12-23 08:40:57,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 975. [2020-12-23 08:40:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-12-23 08:40:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1660 transitions. [2020-12-23 08:40:57,426 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1660 transitions. Word has length 68 [2020-12-23 08:40:57,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:57,429 INFO L481 AbstractCegarLoop]: Abstraction has 975 states and 1660 transitions. [2020-12-23 08:40:57,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:57,429 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1660 transitions. [2020-12-23 08:40:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:40:57,434 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:57,435 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:57,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:40:57,435 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:57,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:57,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1082785380, now seen corresponding path program 1 times [2020-12-23 08:40:57,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:57,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576116375] [2020-12-23 08:40:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:57,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576116375] [2020-12-23 08:40:57,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:57,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:57,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255891736] [2020-12-23 08:40:57,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:57,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:57,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:57,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:57,580 INFO L87 Difference]: Start difference. First operand 975 states and 1660 transitions. Second operand 3 states. [2020-12-23 08:40:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:57,719 INFO L93 Difference]: Finished difference Result 2811 states and 4804 transitions. [2020-12-23 08:40:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:57,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 08:40:57,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:57,731 INFO L225 Difference]: With dead ends: 2811 [2020-12-23 08:40:57,732 INFO L226 Difference]: Without dead ends: 1867 [2020-12-23 08:40:57,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:57,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2020-12-23 08:40:57,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1182. [2020-12-23 08:40:57,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2020-12-23 08:40:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 2042 transitions. [2020-12-23 08:40:57,826 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 2042 transitions. Word has length 76 [2020-12-23 08:40:57,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:57,828 INFO L481 AbstractCegarLoop]: Abstraction has 1182 states and 2042 transitions. [2020-12-23 08:40:57,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2042 transitions. [2020-12-23 08:40:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:40:57,833 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:57,833 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:57,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:40:57,833 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:57,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:57,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1660708069, now seen corresponding path program 1 times [2020-12-23 08:40:57,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:57,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409414913] [2020-12-23 08:40:57,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:57,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409414913] [2020-12-23 08:40:57,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:57,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:40:57,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238690465] [2020-12-23 08:40:57,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:57,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:57,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:57,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:57,939 INFO L87 Difference]: Start difference. First operand 1182 states and 2042 transitions. Second operand 5 states. [2020-12-23 08:40:58,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:58,325 INFO L93 Difference]: Finished difference Result 3476 states and 6032 transitions. [2020-12-23 08:40:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:40:58,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 08:40:58,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:58,339 INFO L225 Difference]: With dead ends: 3476 [2020-12-23 08:40:58,339 INFO L226 Difference]: Without dead ends: 2325 [2020-12-23 08:40:58,343 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 [2020-12-23 08:40:58,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2020-12-23 08:40:58,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 1182. [2020-12-23 08:40:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2020-12-23 08:40:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 2040 transitions. [2020-12-23 08:40:58,440 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 2040 transitions. Word has length 77 [2020-12-23 08:40:58,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:58,440 INFO L481 AbstractCegarLoop]: Abstraction has 1182 states and 2040 transitions. [2020-12-23 08:40:58,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2040 transitions. [2020-12-23 08:40:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:40:58,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:58,443 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:58,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:40:58,443 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:58,444 INFO L82 PathProgramCache]: Analyzing trace with hash 62660718, now seen corresponding path program 1 times [2020-12-23 08:40:58,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:58,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699606974] [2020-12-23 08:40:58,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:58,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699606974] [2020-12-23 08:40:58,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:58,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:58,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670974664] [2020-12-23 08:40:58,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:58,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:58,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:58,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:58,551 INFO L87 Difference]: Start difference. First operand 1182 states and 2040 transitions. Second operand 3 states. [2020-12-23 08:40:58,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:58,706 INFO L93 Difference]: Finished difference Result 3474 states and 6024 transitions. [2020-12-23 08:40:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:58,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 08:40:58,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:58,721 INFO L225 Difference]: With dead ends: 3474 [2020-12-23 08:40:58,721 INFO L226 Difference]: Without dead ends: 2323 [2020-12-23 08:40:58,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:58,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2020-12-23 08:40:58,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 1638. [2020-12-23 08:40:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2020-12-23 08:40:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2881 transitions. [2020-12-23 08:40:58,844 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 2881 transitions. Word has length 78 [2020-12-23 08:40:58,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:58,845 INFO L481 AbstractCegarLoop]: Abstraction has 1638 states and 2881 transitions. [2020-12-23 08:40:58,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2881 transitions. [2020-12-23 08:40:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:40:58,848 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:58,848 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:58,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:40:58,849 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:58,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:58,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1074486160, now seen corresponding path program 1 times [2020-12-23 08:40:58,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:58,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649060018] [2020-12-23 08:40:58,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:58,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649060018] [2020-12-23 08:40:58,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293022837] [2020-12-23 08:40:58,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:40:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:59,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:40:59,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:40:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:59,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:40:59,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:40:59,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037385127] [2020-12-23 08:40:59,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:59,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:59,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:59,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:59,558 INFO L87 Difference]: Start difference. First operand 1638 states and 2881 transitions. Second operand 5 states. [2020-12-23 08:40:59,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:59,818 INFO L93 Difference]: Finished difference Result 3274 states and 5648 transitions. [2020-12-23 08:40:59,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:40:59,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-12-23 08:40:59,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:59,834 INFO L225 Difference]: With dead ends: 3274 [2020-12-23 08:40:59,834 INFO L226 Difference]: Without dead ends: 2589 [2020-12-23 08:40:59,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2020-12-23 08:40:59,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 1901. [2020-12-23 08:40:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1901 states. [2020-12-23 08:40:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 3360 transitions. [2020-12-23 08:40:59,993 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 3360 transitions. Word has length 78 [2020-12-23 08:40:59,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:59,994 INFO L481 AbstractCegarLoop]: Abstraction has 1901 states and 3360 transitions. [2020-12-23 08:40:59,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 3360 transitions. [2020-12-23 08:40:59,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:40:59,997 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:59,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:00,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:41:00,212 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:00,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:00,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1486889581, now seen corresponding path program 1 times [2020-12-23 08:41:00,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:00,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136343101] [2020-12-23 08:41:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:00,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136343101] [2020-12-23 08:41:00,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:00,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:00,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500230542] [2020-12-23 08:41:00,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:00,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:00,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:00,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:00,293 INFO L87 Difference]: Start difference. First operand 1901 states and 3360 transitions. Second operand 3 states. [2020-12-23 08:41:00,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:00,530 INFO L93 Difference]: Finished difference Result 5290 states and 9365 transitions. [2020-12-23 08:41:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:00,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-23 08:41:00,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:00,549 INFO L225 Difference]: With dead ends: 5290 [2020-12-23 08:41:00,549 INFO L226 Difference]: Without dead ends: 3490 [2020-12-23 08:41:00,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:00,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3490 states. [2020-12-23 08:41:00,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3490 to 2805. [2020-12-23 08:41:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2805 states. [2020-12-23 08:41:00,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 5021 transitions. [2020-12-23 08:41:00,732 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 5021 transitions. Word has length 82 [2020-12-23 08:41:00,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:00,732 INFO L481 AbstractCegarLoop]: Abstraction has 2805 states and 5021 transitions. [2020-12-23 08:41:00,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:00,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 5021 transitions. [2020-12-23 08:41:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:41:00,739 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:00,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:00,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:41:00,739 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:00,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:00,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2077216749, now seen corresponding path program 1 times [2020-12-23 08:41:00,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:00,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943029967] [2020-12-23 08:41:00,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:00,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943029967] [2020-12-23 08:41:00,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:00,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:00,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705313209] [2020-12-23 08:41:00,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:00,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:00,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:00,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:00,810 INFO L87 Difference]: Start difference. First operand 2805 states and 5021 transitions. Second operand 3 states. [2020-12-23 08:41:01,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:01,117 INFO L93 Difference]: Finished difference Result 7738 states and 13867 transitions. [2020-12-23 08:41:01,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:01,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 08:41:01,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:01,145 INFO L225 Difference]: With dead ends: 7738 [2020-12-23 08:41:01,145 INFO L226 Difference]: Without dead ends: 5068 [2020-12-23 08:41:01,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:01,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5068 states. [2020-12-23 08:41:01,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5068 to 4383. [2020-12-23 08:41:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4383 states. [2020-12-23 08:41:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 4383 states and 7918 transitions. [2020-12-23 08:41:01,473 INFO L78 Accepts]: Start accepts. Automaton has 4383 states and 7918 transitions. Word has length 83 [2020-12-23 08:41:01,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:01,474 INFO L481 AbstractCegarLoop]: Abstraction has 4383 states and 7918 transitions. [2020-12-23 08:41:01,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 4383 states and 7918 transitions. [2020-12-23 08:41:01,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:41:01,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:01,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:01,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:41:01,486 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:01,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:01,486 INFO L82 PathProgramCache]: Analyzing trace with hash 454251394, now seen corresponding path program 1 times [2020-12-23 08:41:01,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:01,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847755373] [2020-12-23 08:41:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:01,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847755373] [2020-12-23 08:41:01,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:01,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:01,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101042703] [2020-12-23 08:41:01,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:01,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:01,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:01,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:01,563 INFO L87 Difference]: Start difference. First operand 4383 states and 7918 transitions. Second operand 3 states. [2020-12-23 08:41:01,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:01,969 INFO L93 Difference]: Finished difference Result 12188 states and 22041 transitions. [2020-12-23 08:41:01,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:01,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 08:41:01,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:01,990 INFO L225 Difference]: With dead ends: 12188 [2020-12-23 08:41:01,991 INFO L226 Difference]: Without dead ends: 7974 [2020-12-23 08:41:01,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7974 states. [2020-12-23 08:41:02,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7974 to 7289. [2020-12-23 08:41:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7289 states. [2020-12-23 08:41:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7289 states to 7289 states and 13247 transitions. [2020-12-23 08:41:02,389 INFO L78 Accepts]: Start accepts. Automaton has 7289 states and 13247 transitions. Word has length 84 [2020-12-23 08:41:02,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:02,390 INFO L481 AbstractCegarLoop]: Abstraction has 7289 states and 13247 transitions. [2020-12-23 08:41:02,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 7289 states and 13247 transitions. [2020-12-23 08:41:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:41:02,401 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:02,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:02,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:41:02,401 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:02,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:02,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1539318562, now seen corresponding path program 1 times [2020-12-23 08:41:02,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:02,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889471965] [2020-12-23 08:41:02,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:02,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889471965] [2020-12-23 08:41:02,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:02,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:02,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79689648] [2020-12-23 08:41:02,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:02,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:02,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:02,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:02,485 INFO L87 Difference]: Start difference. First operand 7289 states and 13247 transitions. Second operand 3 states. [2020-12-23 08:41:03,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:03,257 INFO L93 Difference]: Finished difference Result 21232 states and 38639 transitions. [2020-12-23 08:41:03,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:03,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-23 08:41:03,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:03,299 INFO L225 Difference]: With dead ends: 21232 [2020-12-23 08:41:03,299 INFO L226 Difference]: Without dead ends: 14120 [2020-12-23 08:41:03,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:03,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14120 states. [2020-12-23 08:41:04,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14120 to 13435. [2020-12-23 08:41:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13435 states. [2020-12-23 08:41:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13435 states to 13435 states and 24512 transitions. [2020-12-23 08:41:04,120 INFO L78 Accepts]: Start accepts. Automaton has 13435 states and 24512 transitions. Word has length 85 [2020-12-23 08:41:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:04,121 INFO L481 AbstractCegarLoop]: Abstraction has 13435 states and 24512 transitions. [2020-12-23 08:41:04,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 13435 states and 24512 transitions. [2020-12-23 08:41:04,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:41:04,138 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:04,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:04,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:41:04,139 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:04,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:04,139 INFO L82 PathProgramCache]: Analyzing trace with hash -294330253, now seen corresponding path program 1 times [2020-12-23 08:41:04,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:04,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658564887] [2020-12-23 08:41:04,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:04,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658564887] [2020-12-23 08:41:04,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:04,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:04,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79069172] [2020-12-23 08:41:04,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:04,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:04,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:04,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:04,285 INFO L87 Difference]: Start difference. First operand 13435 states and 24512 transitions. Second operand 3 states. [2020-12-23 08:41:05,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:05,613 INFO L93 Difference]: Finished difference Result 39500 states and 72133 transitions. [2020-12-23 08:41:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:05,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-23 08:41:05,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:05,687 INFO L225 Difference]: With dead ends: 39500 [2020-12-23 08:41:05,687 INFO L226 Difference]: Without dead ends: 26250 [2020-12-23 08:41:05,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:05,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26250 states. [2020-12-23 08:41:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26250 to 25565. [2020-12-23 08:41:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25565 states. [2020-12-23 08:41:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25565 states to 25565 states and 46721 transitions. [2020-12-23 08:41:07,043 INFO L78 Accepts]: Start accepts. Automaton has 25565 states and 46721 transitions. Word has length 86 [2020-12-23 08:41:07,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:07,044 INFO L481 AbstractCegarLoop]: Abstraction has 25565 states and 46721 transitions. [2020-12-23 08:41:07,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 25565 states and 46721 transitions. [2020-12-23 08:41:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:41:07,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:07,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:07,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:41:07,066 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:07,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:07,066 INFO L82 PathProgramCache]: Analyzing trace with hash -638122573, now seen corresponding path program 1 times [2020-12-23 08:41:07,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:07,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786379894] [2020-12-23 08:41:07,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:07,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786379894] [2020-12-23 08:41:07,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:07,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:07,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630531693] [2020-12-23 08:41:07,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:07,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:07,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:07,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:07,138 INFO L87 Difference]: Start difference. First operand 25565 states and 46721 transitions. Second operand 3 states. [2020-12-23 08:41:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:08,878 INFO L93 Difference]: Finished difference Result 70529 states and 128496 transitions. [2020-12-23 08:41:08,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:08,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-12-23 08:41:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:09,011 INFO L225 Difference]: With dead ends: 70529 [2020-12-23 08:41:09,011 INFO L226 Difference]: Without dead ends: 45196 [2020-12-23 08:41:09,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:09,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45196 states. [2020-12-23 08:41:10,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45196 to 44511. [2020-12-23 08:41:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44511 states. [2020-12-23 08:41:11,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44511 states to 44511 states and 80898 transitions. [2020-12-23 08:41:11,139 INFO L78 Accepts]: Start accepts. Automaton has 44511 states and 80898 transitions. Word has length 87 [2020-12-23 08:41:11,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:11,139 INFO L481 AbstractCegarLoop]: Abstraction has 44511 states and 80898 transitions. [2020-12-23 08:41:11,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 44511 states and 80898 transitions. [2020-12-23 08:41:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:41:11,159 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:11,159 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:11,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:41:11,159 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1308014572, now seen corresponding path program 1 times [2020-12-23 08:41:11,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:11,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044776279] [2020-12-23 08:41:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:11,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:41:11,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044776279] [2020-12-23 08:41:11,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:11,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:41:11,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943065485] [2020-12-23 08:41:11,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:41:11,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:11,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:41:11,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:11,244 INFO L87 Difference]: Start difference. First operand 44511 states and 80898 transitions. Second operand 5 states. [2020-12-23 08:41:14,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:14,462 INFO L93 Difference]: Finished difference Result 131142 states and 238329 transitions. [2020-12-23 08:41:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:41:14,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-12-23 08:41:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:14,676 INFO L225 Difference]: With dead ends: 131142 [2020-12-23 08:41:14,677 INFO L226 Difference]: Without dead ends: 86931 [2020-12-23 08:41:14,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:41:14,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86931 states. [2020-12-23 08:41:17,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86931 to 44511. [2020-12-23 08:41:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44511 states. [2020-12-23 08:41:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44511 states to 44511 states and 80640 transitions. [2020-12-23 08:41:17,135 INFO L78 Accepts]: Start accepts. Automaton has 44511 states and 80640 transitions. Word has length 88 [2020-12-23 08:41:17,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:17,135 INFO L481 AbstractCegarLoop]: Abstraction has 44511 states and 80640 transitions. [2020-12-23 08:41:17,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:41:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 44511 states and 80640 transitions. [2020-12-23 08:41:17,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:41:17,161 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:17,161 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:17,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:41:17,163 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:17,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:17,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1975127282, now seen corresponding path program 2 times [2020-12-23 08:41:17,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:17,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596381280] [2020-12-23 08:41:17,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:17,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596381280] [2020-12-23 08:41:17,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:17,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:17,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647641736] [2020-12-23 08:41:17,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:17,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:17,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:17,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:17,241 INFO L87 Difference]: Start difference. First operand 44511 states and 80640 transitions. Second operand 3 states. [2020-12-23 08:41:18,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:18,999 INFO L93 Difference]: Finished difference Result 89401 states and 161898 transitions. [2020-12-23 08:41:19,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:19,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-12-23 08:41:19,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:19,089 INFO L225 Difference]: With dead ends: 89401 [2020-12-23 08:41:19,090 INFO L226 Difference]: Without dead ends: 45196 [2020-12-23 08:41:19,125 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 [2020-12-23 08:41:19,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45196 states. [2020-12-23 08:41:21,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45196 to 44511. [2020-12-23 08:41:21,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44511 states. [2020-12-23 08:41:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44511 states to 44511 states and 80512 transitions. [2020-12-23 08:41:21,117 INFO L78 Accepts]: Start accepts. Automaton has 44511 states and 80512 transitions. Word has length 88 [2020-12-23 08:41:21,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:21,117 INFO L481 AbstractCegarLoop]: Abstraction has 44511 states and 80512 transitions. [2020-12-23 08:41:21,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 44511 states and 80512 transitions. [2020-12-23 08:41:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:41:21,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:21,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:21,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:41:21,135 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:21,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:21,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1160536127, now seen corresponding path program 1 times [2020-12-23 08:41:21,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:21,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536055965] [2020-12-23 08:41:21,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:21,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:21,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536055965] [2020-12-23 08:41:21,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:21,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:21,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86181598] [2020-12-23 08:41:21,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:21,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:21,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:21,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:21,219 INFO L87 Difference]: Start difference. First operand 44511 states and 80512 transitions. Second operand 3 states. [2020-12-23 08:41:24,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:24,162 INFO L93 Difference]: Finished difference Result 125027 states and 225972 transitions. [2020-12-23 08:41:24,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:24,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-12-23 08:41:24,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:24,305 INFO L225 Difference]: With dead ends: 125027 [2020-12-23 08:41:24,306 INFO L226 Difference]: Without dead ends: 80782 [2020-12-23 08:41:24,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:24,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80782 states. [2020-12-23 08:41:27,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80782 to 80097. [2020-12-23 08:41:27,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80097 states. [2020-12-23 08:41:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80097 states to 80097 states and 144513 transitions. [2020-12-23 08:41:28,018 INFO L78 Accepts]: Start accepts. Automaton has 80097 states and 144513 transitions. Word has length 88 [2020-12-23 08:41:28,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:28,020 INFO L481 AbstractCegarLoop]: Abstraction has 80097 states and 144513 transitions. [2020-12-23 08:41:28,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 80097 states and 144513 transitions. [2020-12-23 08:41:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:41:28,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:28,035 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:28,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:41:28,036 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:28,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:28,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1842542344, now seen corresponding path program 1 times [2020-12-23 08:41:28,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:28,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297194058] [2020-12-23 08:41:28,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:28,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297194058] [2020-12-23 08:41:28,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:28,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:41:28,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88012830] [2020-12-23 08:41:28,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:41:28,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:28,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:41:28,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:41:28,291 INFO L87 Difference]: Start difference. First operand 80097 states and 144513 transitions. Second operand 9 states. [2020-12-23 08:41:36,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:36,109 INFO L93 Difference]: Finished difference Result 163991 states and 295196 transitions. [2020-12-23 08:41:36,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:41:36,110 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-12-23 08:41:36,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:36,398 INFO L225 Difference]: With dead ends: 163991 [2020-12-23 08:41:36,398 INFO L226 Difference]: Without dead ends: 163363 [2020-12-23 08:41:36,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:41:36,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163363 states. [2020-12-23 08:41:42,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163363 to 159819. [2020-12-23 08:41:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159819 states. [2020-12-23 08:41:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159819 states to 159819 states and 288401 transitions. [2020-12-23 08:41:43,222 INFO L78 Accepts]: Start accepts. Automaton has 159819 states and 288401 transitions. Word has length 89 [2020-12-23 08:41:43,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:43,223 INFO L481 AbstractCegarLoop]: Abstraction has 159819 states and 288401 transitions. [2020-12-23 08:41:43,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:41:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 159819 states and 288401 transitions. [2020-12-23 08:41:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:41:43,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:43,252 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:43,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:41:43,252 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:43,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:43,253 INFO L82 PathProgramCache]: Analyzing trace with hash 144444263, now seen corresponding path program 1 times [2020-12-23 08:41:43,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:43,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032115462] [2020-12-23 08:41:43,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:43,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032115462] [2020-12-23 08:41:43,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:43,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:41:43,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436638377] [2020-12-23 08:41:43,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:41:43,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:43,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:41:43,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:41:43,399 INFO L87 Difference]: Start difference. First operand 159819 states and 288401 transitions. Second operand 7 states. [2020-12-23 08:41:48,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:48,818 INFO L93 Difference]: Finished difference Result 161270 states and 290796 transitions. [2020-12-23 08:41:48,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:41:48,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-12-23 08:41:48,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:49,235 INFO L225 Difference]: With dead ends: 161270 [2020-12-23 08:41:49,236 INFO L226 Difference]: Without dead ends: 160148 [2020-12-23 08:41:49,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:41:49,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160148 states. [2020-12-23 08:41:56,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160148 to 159783. [2020-12-23 08:41:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159783 states. [2020-12-23 08:41:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159783 states to 159783 states and 288320 transitions. [2020-12-23 08:41:56,476 INFO L78 Accepts]: Start accepts. Automaton has 159783 states and 288320 transitions. Word has length 90 [2020-12-23 08:41:56,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:56,477 INFO L481 AbstractCegarLoop]: Abstraction has 159783 states and 288320 transitions. [2020-12-23 08:41:56,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:41:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 159783 states and 288320 transitions. [2020-12-23 08:41:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:41:56,507 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:56,507 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:56,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:41:56,508 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:56,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:56,508 INFO L82 PathProgramCache]: Analyzing trace with hash -993893507, now seen corresponding path program 1 times [2020-12-23 08:41:56,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:56,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438719956] [2020-12-23 08:41:56,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:56,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438719956] [2020-12-23 08:41:56,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:56,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:41:56,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474655907] [2020-12-23 08:41:56,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:41:56,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:56,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:41:56,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:41:56,641 INFO L87 Difference]: Start difference. First operand 159783 states and 288320 transitions. Second operand 9 states. [2020-12-23 08:42:04,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:04,280 INFO L93 Difference]: Finished difference Result 165561 states and 297815 transitions. [2020-12-23 08:42:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:42:04,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-12-23 08:42:04,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:04,609 INFO L225 Difference]: With dead ends: 165561 [2020-12-23 08:42:04,609 INFO L226 Difference]: Without dead ends: 164559 [2020-12-23 08:42:04,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:42:04,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164559 states. [2020-12-23 08:42:11,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164559 to 160271. [2020-12-23 08:42:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160271 states. [2020-12-23 08:42:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160271 states to 160271 states and 289119 transitions. [2020-12-23 08:42:11,876 INFO L78 Accepts]: Start accepts. Automaton has 160271 states and 289119 transitions. Word has length 90 [2020-12-23 08:42:11,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:11,877 INFO L481 AbstractCegarLoop]: Abstraction has 160271 states and 289119 transitions. [2020-12-23 08:42:11,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:42:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 160271 states and 289119 transitions. [2020-12-23 08:42:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:42:11,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:11,926 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:11,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:42:11,926 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:11,927 INFO L82 PathProgramCache]: Analyzing trace with hash 2059478664, now seen corresponding path program 1 times [2020-12-23 08:42:11,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:11,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768464158] [2020-12-23 08:42:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:12,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:42:12,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768464158] [2020-12-23 08:42:12,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:12,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:42:12,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658500331] [2020-12-23 08:42:12,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:42:12,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:12,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:42:12,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:42:12,081 INFO L87 Difference]: Start difference. First operand 160271 states and 289119 transitions. Second operand 11 states. [2020-12-23 08:42:21,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:21,130 INFO L93 Difference]: Finished difference Result 167938 states and 301767 transitions. [2020-12-23 08:42:21,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 08:42:21,131 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 91 [2020-12-23 08:42:21,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:21,433 INFO L225 Difference]: With dead ends: 167938 [2020-12-23 08:42:21,433 INFO L226 Difference]: Without dead ends: 166601 [2020-12-23 08:42:21,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 08:42:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166601 states. [2020-12-23 08:42:28,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166601 to 160570. [2020-12-23 08:42:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160570 states. [2020-12-23 08:42:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160570 states to 160570 states and 289613 transitions. [2020-12-23 08:42:28,885 INFO L78 Accepts]: Start accepts. Automaton has 160570 states and 289613 transitions. Word has length 91 [2020-12-23 08:42:28,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:28,890 INFO L481 AbstractCegarLoop]: Abstraction has 160570 states and 289613 transitions. [2020-12-23 08:42:28,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:42:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 160570 states and 289613 transitions. [2020-12-23 08:42:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:42:28,913 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:28,913 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:28,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:42:28,913 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:28,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:28,914 INFO L82 PathProgramCache]: Analyzing trace with hash 803697454, now seen corresponding path program 1 times [2020-12-23 08:42:28,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:28,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931671213] [2020-12-23 08:42:28,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:42:29,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931671213] [2020-12-23 08:42:29,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:29,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:42:29,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662592078] [2020-12-23 08:42:29,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:42:29,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:29,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:42:29,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:42:29,012 INFO L87 Difference]: Start difference. First operand 160570 states and 289613 transitions. Second operand 8 states. [2020-12-23 08:42:34,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:34,600 INFO L93 Difference]: Finished difference Result 163147 states and 293848 transitions. [2020-12-23 08:42:34,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 08:42:34,601 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-12-23 08:42:34,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:34,897 INFO L225 Difference]: With dead ends: 163147 [2020-12-23 08:42:34,897 INFO L226 Difference]: Without dead ends: 161213 [2020-12-23 08:42:34,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2020-12-23 08:42:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161213 states. [2020-12-23 08:42:42,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161213 to 160343. [2020-12-23 08:42:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160343 states. [2020-12-23 08:42:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160343 states to 160343 states and 289215 transitions. [2020-12-23 08:42:43,338 INFO L78 Accepts]: Start accepts. Automaton has 160343 states and 289215 transitions. Word has length 91 [2020-12-23 08:42:43,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:43,338 INFO L481 AbstractCegarLoop]: Abstraction has 160343 states and 289215 transitions. [2020-12-23 08:42:43,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:42:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 160343 states and 289215 transitions. [2020-12-23 08:42:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:42:43,365 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:43,365 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:43,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:42:43,366 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:43,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:43,366 INFO L82 PathProgramCache]: Analyzing trace with hash -565775647, now seen corresponding path program 1 times [2020-12-23 08:42:43,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:43,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470293577] [2020-12-23 08:42:43,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:42:43,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470293577] [2020-12-23 08:42:43,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:43,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:42:43,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529318902] [2020-12-23 08:42:43,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:42:43,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:43,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:42:43,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:42:43,469 INFO L87 Difference]: Start difference. First operand 160343 states and 289215 transitions. Second operand 6 states. [2020-12-23 08:42:52,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:52,363 INFO L93 Difference]: Finished difference Result 244960 states and 440799 transitions. [2020-12-23 08:42:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:42:52,364 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-12-23 08:42:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:53,023 INFO L225 Difference]: With dead ends: 244960 [2020-12-23 08:42:53,024 INFO L226 Difference]: Without dead ends: 243572 [2020-12-23 08:42:53,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:42:53,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243572 states. [2020-12-23 08:43:03,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243572 to 240387. [2020-12-23 08:43:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240387 states. [2020-12-23 08:43:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240387 states to 240387 states and 433318 transitions. [2020-12-23 08:43:04,082 INFO L78 Accepts]: Start accepts. Automaton has 240387 states and 433318 transitions. Word has length 92 [2020-12-23 08:43:04,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:04,083 INFO L481 AbstractCegarLoop]: Abstraction has 240387 states and 433318 transitions. [2020-12-23 08:43:04,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:43:04,083 INFO L276 IsEmpty]: Start isEmpty. Operand 240387 states and 433318 transitions. [2020-12-23 08:43:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:43:04,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:04,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:43:04,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:43:04,117 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:04,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:04,118 INFO L82 PathProgramCache]: Analyzing trace with hash 20748351, now seen corresponding path program 1 times [2020-12-23 08:43:04,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:04,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134587122] [2020-12-23 08:43:04,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:43:04,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134587122] [2020-12-23 08:43:04,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:04,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:43:04,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265318588] [2020-12-23 08:43:04,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:43:04,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:04,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:43:04,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:04,180 INFO L87 Difference]: Start difference. First operand 240387 states and 433318 transitions. Second operand 3 states. [2020-12-23 08:43:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:22,469 INFO L93 Difference]: Finished difference Result 712736 states and 1284863 transitions. [2020-12-23 08:43:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:43:22,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-12-23 08:43:22,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:24,122 INFO L225 Difference]: With dead ends: 712736 [2020-12-23 08:43:24,122 INFO L226 Difference]: Without dead ends: 472699 [2020-12-23 08:43:24,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:24,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472699 states. [2020-12-23 08:43:46,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472699 to 469253. [2020-12-23 08:43:46,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469253 states. [2020-12-23 08:43:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469253 states to 469253 states and 844967 transitions. [2020-12-23 08:43:50,072 INFO L78 Accepts]: Start accepts. Automaton has 469253 states and 844967 transitions. Word has length 92 [2020-12-23 08:43:50,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:50,072 INFO L481 AbstractCegarLoop]: Abstraction has 469253 states and 844967 transitions. [2020-12-23 08:43:50,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:43:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 469253 states and 844967 transitions. [2020-12-23 08:43:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:43:50,132 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:50,132 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:43:50,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:43:50,132 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:50,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:50,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1618647407, now seen corresponding path program 1 times [2020-12-23 08:43:50,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:50,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094937003] [2020-12-23 08:43:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:50,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:43:50,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094937003] [2020-12-23 08:43:50,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:50,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:43:50,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955780050] [2020-12-23 08:43:50,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:43:50,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:50,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:43:50,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:43:50,345 INFO L87 Difference]: Start difference. First operand 469253 states and 844967 transitions. Second operand 10 states. [2020-12-23 08:43:52,865 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 16