/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:34:52,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:34:52,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:34:52,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:34:52,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:34:52,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:34:52,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:34:53,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:34:53,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:34:53,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:34:53,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:34:53,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:34:53,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:34:53,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:34:53,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:34:53,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:34:53,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:34:53,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:34:53,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:34:53,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:34:53,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:34:53,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:34:53,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:34:53,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:34:53,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:34:53,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:34:53,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:34:53,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:34:53,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:34:53,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:34:53,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:34:53,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:34:53,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:34:53,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:34:53,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:34:53,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:34:53,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:34:53,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:34:53,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:34:53,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:34:53,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:34:53,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:34:53,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:34:53,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:34:53,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:34:53,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:34:53,127 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:34:53,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:34:53,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:34:53,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:34:53,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:34:53,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:34:53,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:34:53,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:34:53,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:34:53,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:34:53,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:34:53,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:34:53,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:34:53,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:34:53,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:34:53,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:34:53,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:34:53,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:34:53,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:34:53,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:34:53,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:34:53,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:34:53,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:34:53,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:34:53,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:34:53,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:34:53,597 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:34:53,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2021-01-06 18:34:53,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/523ca6792/ccd95ca42d684a189a03822a7e30cf58/FLAG3e0760297 [2021-01-06 18:34:54,442 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:34:54,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2021-01-06 18:34:54,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/523ca6792/ccd95ca42d684a189a03822a7e30cf58/FLAG3e0760297 [2021-01-06 18:34:54,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/523ca6792/ccd95ca42d684a189a03822a7e30cf58 [2021-01-06 18:34:54,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:34:54,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:34:54,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:34:54,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:34:54,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:34:54,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:34:54" (1/1) ... [2021-01-06 18:34:54,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eaf7683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:54, skipping insertion in model container [2021-01-06 18:34:54,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:34:54" (1/1) ... [2021-01-06 18:34:54,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:34:54,747 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] 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[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] 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___0~2,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] 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___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] [2021-01-06 18:34:55,375 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_product24.cil.c[24959,24972] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~17,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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[~__ste_Client_counter~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~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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~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[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~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_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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_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~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[~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[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2021-01-06 18:34:55,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:34:55,584 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] 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[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] 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___0~2,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] 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___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] [2021-01-06 18:34:55,742 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_product24.cil.c[24959,24972] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~17,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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[~__ste_Client_counter~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~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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~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[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~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_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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_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~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[~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[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2021-01-06 18:34:55,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:34:55,949 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:34:55,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55 WrapperNode [2021-01-06 18:34:55,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:34:55,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:34:55,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:34:55,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:34:55,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:34:56,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:34:56,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:34:56,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:34:56,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... [2021-01-06 18:34:56,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:34:56,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:34:56,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:34:56,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:34:56,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:34:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:34:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:34:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:34:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:34:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:34:58,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:34:58,797 INFO L299 CfgBuilder]: Removed 323 assume(true) statements. [2021-01-06 18:34:58,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:34:58 BoogieIcfgContainer [2021-01-06 18:34:58,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:34:58,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:34:58,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:34:58,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:34:58,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:34:54" (1/3) ... [2021-01-06 18:34:58,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70700c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:34:58, skipping insertion in model container [2021-01-06 18:34:58,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:34:55" (2/3) ... [2021-01-06 18:34:58,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70700c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:34:58, skipping insertion in model container [2021-01-06 18:34:58,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:34:58" (3/3) ... [2021-01-06 18:34:58,810 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product24.cil.c [2021-01-06 18:34:58,817 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:34:58,824 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:34:58,844 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:34:58,882 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:34:58,882 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:34:58,882 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:34:58,882 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:34:58,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:34:58,883 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:34:58,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:34:58,883 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:34:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states. [2021-01-06 18:34:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:34:58,925 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:34:58,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:34:58,926 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:34:58,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:34:58,933 INFO L82 PathProgramCache]: Analyzing trace with hash -93800768, now seen corresponding path program 1 times [2021-01-06 18:34:58,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:34:58,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004935040] [2021-01-06 18:34:58,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:34:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:34:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:34:59,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004935040] [2021-01-06 18:34:59,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:34:59,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:34:59,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447541645] [2021-01-06 18:34:59,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:34:59,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:34:59,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:34:59,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:34:59,476 INFO L87 Difference]: Start difference. First operand 463 states. Second operand 3 states. [2021-01-06 18:34:59,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:34:59,649 INFO L93 Difference]: Finished difference Result 1354 states and 2339 transitions. [2021-01-06 18:34:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:34:59,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 18:34:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:34:59,675 INFO L225 Difference]: With dead ends: 1354 [2021-01-06 18:34:59,675 INFO L226 Difference]: Without dead ends: 852 [2021-01-06 18:34:59,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:34:59,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2021-01-06 18:34:59,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 435. [2021-01-06 18:34:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2021-01-06 18:34:59,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 749 transitions. [2021-01-06 18:34:59,806 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 749 transitions. Word has length 51 [2021-01-06 18:34:59,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:34:59,807 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 749 transitions. [2021-01-06 18:34:59,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:34:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 749 transitions. [2021-01-06 18:34:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:34:59,817 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:34:59,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:34:59,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:34:59,819 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:34:59,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:34:59,821 INFO L82 PathProgramCache]: Analyzing trace with hash 568011277, now seen corresponding path program 1 times [2021-01-06 18:34:59,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:34:59,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597130309] [2021-01-06 18:34:59,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:34:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:00,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597130309] [2021-01-06 18:35:00,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:00,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:00,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216244826] [2021-01-06 18:35:00,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:00,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:00,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:00,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:00,063 INFO L87 Difference]: Start difference. First operand 435 states and 749 transitions. Second operand 5 states. [2021-01-06 18:35:00,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:00,298 INFO L93 Difference]: Finished difference Result 1254 states and 2163 transitions. [2021-01-06 18:35:00,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:35:00,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-01-06 18:35:00,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:00,304 INFO L225 Difference]: With dead ends: 1254 [2021-01-06 18:35:00,304 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 18:35:00,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:35:00,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 18:35:00,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 435. [2021-01-06 18:35:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2021-01-06 18:35:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 748 transitions. [2021-01-06 18:35:00,331 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 748 transitions. Word has length 53 [2021-01-06 18:35:00,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:00,332 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 748 transitions. [2021-01-06 18:35:00,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 748 transitions. [2021-01-06 18:35:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:35:00,334 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:00,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:00,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:35:00,334 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:00,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:00,335 INFO L82 PathProgramCache]: Analyzing trace with hash -802667296, now seen corresponding path program 1 times [2021-01-06 18:35:00,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:00,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126103021] [2021-01-06 18:35:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:00,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126103021] [2021-01-06 18:35:00,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:00,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:00,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473634918] [2021-01-06 18:35:00,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:00,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:00,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:00,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:00,467 INFO L87 Difference]: Start difference. First operand 435 states and 748 transitions. Second operand 3 states. [2021-01-06 18:35:00,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:00,510 INFO L93 Difference]: Finished difference Result 852 states and 1470 transitions. [2021-01-06 18:35:00,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:00,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-06 18:35:00,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:00,514 INFO L225 Difference]: With dead ends: 852 [2021-01-06 18:35:00,514 INFO L226 Difference]: Without dead ends: 440 [2021-01-06 18:35:00,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:00,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-01-06 18:35:00,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 435. [2021-01-06 18:35:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2021-01-06 18:35:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 747 transitions. [2021-01-06 18:35:00,535 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 747 transitions. Word has length 54 [2021-01-06 18:35:00,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:00,535 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 747 transitions. [2021-01-06 18:35:00,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:00,536 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 747 transitions. [2021-01-06 18:35:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:35:00,537 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:00,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:00,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:35:00,538 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:00,539 INFO L82 PathProgramCache]: Analyzing trace with hash -2010088486, now seen corresponding path program 1 times [2021-01-06 18:35:00,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:00,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029222617] [2021-01-06 18:35:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:00,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029222617] [2021-01-06 18:35:00,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:00,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:00,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803337528] [2021-01-06 18:35:00,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:00,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:00,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:00,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:00,634 INFO L87 Difference]: Start difference. First operand 435 states and 747 transitions. Second operand 3 states. [2021-01-06 18:35:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:00,681 INFO L93 Difference]: Finished difference Result 862 states and 1483 transitions. [2021-01-06 18:35:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:00,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 18:35:00,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:00,684 INFO L225 Difference]: With dead ends: 862 [2021-01-06 18:35:00,685 INFO L226 Difference]: Without dead ends: 435 [2021-01-06 18:35:00,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-01-06 18:35:00,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2021-01-06 18:35:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2021-01-06 18:35:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 745 transitions. [2021-01-06 18:35:00,708 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 745 transitions. Word has length 55 [2021-01-06 18:35:00,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:00,710 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 745 transitions. [2021-01-06 18:35:00,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 745 transitions. [2021-01-06 18:35:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:35:00,713 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:00,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:00,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:35:00,713 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:00,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:00,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1103890331, now seen corresponding path program 1 times [2021-01-06 18:35:00,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:00,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161119819] [2021-01-06 18:35:00,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:00,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161119819] [2021-01-06 18:35:00,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:00,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:00,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239785870] [2021-01-06 18:35:00,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:00,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:00,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:00,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:00,859 INFO L87 Difference]: Start difference. First operand 435 states and 745 transitions. Second operand 5 states. [2021-01-06 18:35:01,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:01,075 INFO L93 Difference]: Finished difference Result 1244 states and 2143 transitions. [2021-01-06 18:35:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:01,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-01-06 18:35:01,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:01,081 INFO L225 Difference]: With dead ends: 1244 [2021-01-06 18:35:01,081 INFO L226 Difference]: Without dead ends: 836 [2021-01-06 18:35:01,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:35:01,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-01-06 18:35:01,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 435. [2021-01-06 18:35:01,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2021-01-06 18:35:01,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 744 transitions. [2021-01-06 18:35:01,115 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 744 transitions. Word has length 56 [2021-01-06 18:35:01,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:01,116 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 744 transitions. [2021-01-06 18:35:01,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 744 transitions. [2021-01-06 18:35:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:35:01,118 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:01,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:01,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:35:01,118 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:01,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:01,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1722931294, now seen corresponding path program 1 times [2021-01-06 18:35:01,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:01,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830257892] [2021-01-06 18:35:01,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:01,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830257892] [2021-01-06 18:35:01,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:01,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:01,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377640259] [2021-01-06 18:35:01,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:01,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:01,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:01,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:01,208 INFO L87 Difference]: Start difference. First operand 435 states and 744 transitions. Second operand 5 states. [2021-01-06 18:35:01,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:01,400 INFO L93 Difference]: Finished difference Result 1249 states and 2148 transitions. [2021-01-06 18:35:01,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:01,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2021-01-06 18:35:01,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:01,406 INFO L225 Difference]: With dead ends: 1249 [2021-01-06 18:35:01,406 INFO L226 Difference]: Without dead ends: 841 [2021-01-06 18:35:01,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:35:01,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2021-01-06 18:35:01,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 435. [2021-01-06 18:35:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2021-01-06 18:35:01,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 743 transitions. [2021-01-06 18:35:01,438 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 743 transitions. Word has length 57 [2021-01-06 18:35:01,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:01,439 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 743 transitions. [2021-01-06 18:35:01,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:01,439 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 743 transitions. [2021-01-06 18:35:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:35:01,440 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:01,440 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] [2021-01-06 18:35:01,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:35:01,441 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:01,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:01,442 INFO L82 PathProgramCache]: Analyzing trace with hash -2084503158, now seen corresponding path program 1 times [2021-01-06 18:35:01,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:01,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029796484] [2021-01-06 18:35:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:01,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029796484] [2021-01-06 18:35:01,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:01,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:01,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375879004] [2021-01-06 18:35:01,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:01,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:01,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:01,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:01,514 INFO L87 Difference]: Start difference. First operand 435 states and 743 transitions. Second operand 3 states. [2021-01-06 18:35:01,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:01,549 INFO L93 Difference]: Finished difference Result 628 states and 1055 transitions. [2021-01-06 18:35:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:01,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:35:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:01,553 INFO L225 Difference]: With dead ends: 628 [2021-01-06 18:35:01,553 INFO L226 Difference]: Without dead ends: 438 [2021-01-06 18:35:01,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:01,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-01-06 18:35:01,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 437. [2021-01-06 18:35:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2021-01-06 18:35:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 745 transitions. [2021-01-06 18:35:01,589 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 745 transitions. Word has length 58 [2021-01-06 18:35:01,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:01,592 INFO L481 AbstractCegarLoop]: Abstraction has 437 states and 745 transitions. [2021-01-06 18:35:01,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:01,592 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 745 transitions. [2021-01-06 18:35:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:35:01,593 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:01,594 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:01,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:35:01,594 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:01,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:01,595 INFO L82 PathProgramCache]: Analyzing trace with hash 993533916, now seen corresponding path program 1 times [2021-01-06 18:35:01,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:01,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822633326] [2021-01-06 18:35:01,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:01,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822633326] [2021-01-06 18:35:01,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:01,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:01,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131316406] [2021-01-06 18:35:01,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:01,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:01,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:01,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:01,690 INFO L87 Difference]: Start difference. First operand 437 states and 745 transitions. Second operand 3 states. [2021-01-06 18:35:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:01,766 INFO L93 Difference]: Finished difference Result 1197 states and 2059 transitions. [2021-01-06 18:35:01,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:01,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:35:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:01,772 INFO L225 Difference]: With dead ends: 1197 [2021-01-06 18:35:01,772 INFO L226 Difference]: Without dead ends: 791 [2021-01-06 18:35:01,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:01,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-01-06 18:35:01,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 601. [2021-01-06 18:35:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2021-01-06 18:35:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1045 transitions. [2021-01-06 18:35:01,818 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1045 transitions. Word has length 66 [2021-01-06 18:35:01,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:01,818 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 1045 transitions. [2021-01-06 18:35:01,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:01,819 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1045 transitions. [2021-01-06 18:35:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:35:01,820 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:01,821 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:01,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:35:01,823 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:01,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:01,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1356825501, now seen corresponding path program 1 times [2021-01-06 18:35:01,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:01,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587056934] [2021-01-06 18:35:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:01,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587056934] [2021-01-06 18:35:01,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:01,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:01,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193825782] [2021-01-06 18:35:01,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:01,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:01,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:01,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:01,947 INFO L87 Difference]: Start difference. First operand 601 states and 1045 transitions. Second operand 5 states. [2021-01-06 18:35:02,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:02,222 INFO L93 Difference]: Finished difference Result 1733 states and 3041 transitions. [2021-01-06 18:35:02,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:02,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 18:35:02,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:02,230 INFO L225 Difference]: With dead ends: 1733 [2021-01-06 18:35:02,230 INFO L226 Difference]: Without dead ends: 1163 [2021-01-06 18:35:02,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:35:02,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2021-01-06 18:35:02,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 601. [2021-01-06 18:35:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2021-01-06 18:35:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1043 transitions. [2021-01-06 18:35:02,285 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1043 transitions. Word has length 67 [2021-01-06 18:35:02,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:02,285 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 1043 transitions. [2021-01-06 18:35:02,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1043 transitions. [2021-01-06 18:35:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:35:02,294 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:02,294 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] [2021-01-06 18:35:02,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:35:02,294 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:02,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:02,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1182701978, now seen corresponding path program 1 times [2021-01-06 18:35:02,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:02,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047924541] [2021-01-06 18:35:02,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:02,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047924541] [2021-01-06 18:35:02,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:02,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:02,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625157534] [2021-01-06 18:35:02,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:02,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:02,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:02,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:02,377 INFO L87 Difference]: Start difference. First operand 601 states and 1043 transitions. Second operand 3 states. [2021-01-06 18:35:02,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:02,483 INFO L93 Difference]: Finished difference Result 1731 states and 3033 transitions. [2021-01-06 18:35:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:02,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:35:02,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:02,491 INFO L225 Difference]: With dead ends: 1731 [2021-01-06 18:35:02,491 INFO L226 Difference]: Without dead ends: 1161 [2021-01-06 18:35:02,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:02,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2021-01-06 18:35:02,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 971. [2021-01-06 18:35:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2021-01-06 18:35:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1720 transitions. [2021-01-06 18:35:02,557 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1720 transitions. Word has length 68 [2021-01-06 18:35:02,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:02,558 INFO L481 AbstractCegarLoop]: Abstraction has 971 states and 1720 transitions. [2021-01-06 18:35:02,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1720 transitions. [2021-01-06 18:35:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:35:02,560 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:02,560 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] [2021-01-06 18:35:02,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:35:02,561 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:02,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:02,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1616395256, now seen corresponding path program 1 times [2021-01-06 18:35:02,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:02,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498805014] [2021-01-06 18:35:02,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:02,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498805014] [2021-01-06 18:35:02,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149921686] [2021-01-06 18:35:02,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:35:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:03,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:35:03,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:35:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:03,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:35:03,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:35:03,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585672879] [2021-01-06 18:35:03,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:03,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:03,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:03,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:03,242 INFO L87 Difference]: Start difference. First operand 971 states and 1720 transitions. Second operand 5 states. [2021-01-06 18:35:03,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:03,425 INFO L93 Difference]: Finished difference Result 1574 states and 2739 transitions. [2021-01-06 18:35:03,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:35:03,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 18:35:03,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:03,433 INFO L225 Difference]: With dead ends: 1574 [2021-01-06 18:35:03,433 INFO L226 Difference]: Without dead ends: 1384 [2021-01-06 18:35:03,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2021-01-06 18:35:03,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1191. [2021-01-06 18:35:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1191 states. [2021-01-06 18:35:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 2117 transitions. [2021-01-06 18:35:03,560 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 2117 transitions. Word has length 68 [2021-01-06 18:35:03,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:03,561 INFO L481 AbstractCegarLoop]: Abstraction has 1191 states and 2117 transitions. [2021-01-06 18:35:03,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 2117 transitions. [2021-01-06 18:35:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:35:03,564 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:03,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:03,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:35:03,780 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:03,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:03,781 INFO L82 PathProgramCache]: Analyzing trace with hash 211185547, now seen corresponding path program 1 times [2021-01-06 18:35:03,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:03,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301035296] [2021-01-06 18:35:03,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:03,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301035296] [2021-01-06 18:35:03,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:03,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:03,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353352912] [2021-01-06 18:35:03,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:03,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:03,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:03,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:03,852 INFO L87 Difference]: Start difference. First operand 1191 states and 2117 transitions. Second operand 3 states. [2021-01-06 18:35:03,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:03,994 INFO L93 Difference]: Finished difference Result 3203 states and 5718 transitions. [2021-01-06 18:35:03,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:03,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:35:03,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:04,007 INFO L225 Difference]: With dead ends: 3203 [2021-01-06 18:35:04,007 INFO L226 Difference]: Without dead ends: 2113 [2021-01-06 18:35:04,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:04,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2021-01-06 18:35:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 1923. [2021-01-06 18:35:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2021-01-06 18:35:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 3450 transitions. [2021-01-06 18:35:04,203 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 3450 transitions. Word has length 72 [2021-01-06 18:35:04,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:04,205 INFO L481 AbstractCegarLoop]: Abstraction has 1923 states and 3450 transitions. [2021-01-06 18:35:04,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 3450 transitions. [2021-01-06 18:35:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:35:04,210 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:04,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:04,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:35:04,210 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:04,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:04,211 INFO L82 PathProgramCache]: Analyzing trace with hash 531882507, now seen corresponding path program 1 times [2021-01-06 18:35:04,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:04,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171554419] [2021-01-06 18:35:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:04,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171554419] [2021-01-06 18:35:04,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:04,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:04,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629644612] [2021-01-06 18:35:04,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:04,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:04,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:04,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:04,309 INFO L87 Difference]: Start difference. First operand 1923 states and 3450 transitions. Second operand 3 states. [2021-01-06 18:35:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:04,509 INFO L93 Difference]: Finished difference Result 5135 states and 9236 transitions. [2021-01-06 18:35:04,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:04,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2021-01-06 18:35:04,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:04,531 INFO L225 Difference]: With dead ends: 5135 [2021-01-06 18:35:04,531 INFO L226 Difference]: Without dead ends: 3347 [2021-01-06 18:35:04,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:04,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2021-01-06 18:35:04,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 3157. [2021-01-06 18:35:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3157 states. [2021-01-06 18:35:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 3157 states and 5691 transitions. [2021-01-06 18:35:04,800 INFO L78 Accepts]: Start accepts. Automaton has 3157 states and 5691 transitions. Word has length 73 [2021-01-06 18:35:04,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:04,801 INFO L481 AbstractCegarLoop]: Abstraction has 3157 states and 5691 transitions. [2021-01-06 18:35:04,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3157 states and 5691 transitions. [2021-01-06 18:35:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:35:04,807 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:04,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:04,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:35:04,807 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:04,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:04,808 INFO L82 PathProgramCache]: Analyzing trace with hash 184071226, now seen corresponding path program 1 times [2021-01-06 18:35:04,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:04,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144433706] [2021-01-06 18:35:04,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:04,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144433706] [2021-01-06 18:35:04,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:04,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:04,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154067958] [2021-01-06 18:35:04,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:04,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:04,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:04,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:04,875 INFO L87 Difference]: Start difference. First operand 3157 states and 5691 transitions. Second operand 3 states. [2021-01-06 18:35:05,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:05,185 INFO L93 Difference]: Finished difference Result 8553 states and 15442 transitions. [2021-01-06 18:35:05,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:05,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:35:05,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:05,221 INFO L225 Difference]: With dead ends: 8553 [2021-01-06 18:35:05,221 INFO L226 Difference]: Without dead ends: 5565 [2021-01-06 18:35:05,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:05,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5565 states. [2021-01-06 18:35:05,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5565 to 5375. [2021-01-06 18:35:05,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5375 states. [2021-01-06 18:35:05,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5375 states to 5375 states and 9708 transitions. [2021-01-06 18:35:05,606 INFO L78 Accepts]: Start accepts. Automaton has 5375 states and 9708 transitions. Word has length 74 [2021-01-06 18:35:05,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:05,606 INFO L481 AbstractCegarLoop]: Abstraction has 5375 states and 9708 transitions. [2021-01-06 18:35:05,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5375 states and 9708 transitions. [2021-01-06 18:35:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:35:05,623 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:05,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:05,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:35:05,624 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:05,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:05,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1697215526, now seen corresponding path program 1 times [2021-01-06 18:35:05,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:05,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190990862] [2021-01-06 18:35:05,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:05,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190990862] [2021-01-06 18:35:05,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:05,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:05,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494125437] [2021-01-06 18:35:05,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:05,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:05,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:05,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:05,722 INFO L87 Difference]: Start difference. First operand 5375 states and 9708 transitions. Second operand 3 states. [2021-01-06 18:35:06,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:06,388 INFO L93 Difference]: Finished difference Result 15533 states and 28104 transitions. [2021-01-06 18:35:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:06,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:35:06,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:06,439 INFO L225 Difference]: With dead ends: 15533 [2021-01-06 18:35:06,439 INFO L226 Difference]: Without dead ends: 10335 [2021-01-06 18:35:06,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:06,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10335 states. [2021-01-06 18:35:07,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10335 to 10145. [2021-01-06 18:35:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10145 states. [2021-01-06 18:35:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10145 states to 10145 states and 18349 transitions. [2021-01-06 18:35:07,074 INFO L78 Accepts]: Start accepts. Automaton has 10145 states and 18349 transitions. Word has length 75 [2021-01-06 18:35:07,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:07,074 INFO L481 AbstractCegarLoop]: Abstraction has 10145 states and 18349 transitions. [2021-01-06 18:35:07,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 10145 states and 18349 transitions. [2021-01-06 18:35:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:35:07,085 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:07,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:07,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:35:07,085 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:07,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:07,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1923582571, now seen corresponding path program 1 times [2021-01-06 18:35:07,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:07,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505042233] [2021-01-06 18:35:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:07,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505042233] [2021-01-06 18:35:07,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:07,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:07,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456937279] [2021-01-06 18:35:07,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:07,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:07,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:07,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:07,222 INFO L87 Difference]: Start difference. First operand 10145 states and 18349 transitions. Second operand 3 states. [2021-01-06 18:35:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:08,139 INFO L93 Difference]: Finished difference Result 29673 states and 53726 transitions. [2021-01-06 18:35:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:08,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:35:08,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:08,218 INFO L225 Difference]: With dead ends: 29673 [2021-01-06 18:35:08,218 INFO L226 Difference]: Without dead ends: 19713 [2021-01-06 18:35:08,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:08,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19713 states. [2021-01-06 18:35:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19713 to 19523. [2021-01-06 18:35:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19523 states. [2021-01-06 18:35:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 35310 transitions. [2021-01-06 18:35:09,565 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 35310 transitions. Word has length 76 [2021-01-06 18:35:09,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:09,565 INFO L481 AbstractCegarLoop]: Abstraction has 19523 states and 35310 transitions. [2021-01-06 18:35:09,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:09,565 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 35310 transitions. [2021-01-06 18:35:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:35:09,580 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:09,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:09,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:35:09,581 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:09,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:09,581 INFO L82 PathProgramCache]: Analyzing trace with hash 911949739, now seen corresponding path program 1 times [2021-01-06 18:35:09,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:09,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086408165] [2021-01-06 18:35:09,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:09,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086408165] [2021-01-06 18:35:09,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:09,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:09,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561108435] [2021-01-06 18:35:09,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:09,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:09,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:09,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:09,673 INFO L87 Difference]: Start difference. First operand 19523 states and 35310 transitions. Second operand 3 states. [2021-01-06 18:35:11,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:11,601 INFO L93 Difference]: Finished difference Result 57993 states and 104923 transitions. [2021-01-06 18:35:11,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:11,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:35:11,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:11,741 INFO L225 Difference]: With dead ends: 57993 [2021-01-06 18:35:11,742 INFO L226 Difference]: Without dead ends: 38659 [2021-01-06 18:35:11,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:11,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38659 states. [2021-01-06 18:35:13,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38659 to 38469. [2021-01-06 18:35:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38469 states. [2021-01-06 18:35:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38469 states to 38469 states and 69487 transitions. [2021-01-06 18:35:14,029 INFO L78 Accepts]: Start accepts. Automaton has 38469 states and 69487 transitions. Word has length 77 [2021-01-06 18:35:14,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:14,029 INFO L481 AbstractCegarLoop]: Abstraction has 38469 states and 69487 transitions. [2021-01-06 18:35:14,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 38469 states and 69487 transitions. [2021-01-06 18:35:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:35:14,045 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:14,046 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:14,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:35:14,046 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:14,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:14,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1173201764, now seen corresponding path program 1 times [2021-01-06 18:35:14,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:14,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674951944] [2021-01-06 18:35:14,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:35:14,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674951944] [2021-01-06 18:35:14,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:14,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:14,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722670553] [2021-01-06 18:35:14,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:14,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:14,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:14,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:14,130 INFO L87 Difference]: Start difference. First operand 38469 states and 69487 transitions. Second operand 5 states. [2021-01-06 18:35:17,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:17,394 INFO L93 Difference]: Finished difference Result 113102 states and 204260 transitions. [2021-01-06 18:35:17,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:35:17,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2021-01-06 18:35:17,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:17,701 INFO L225 Difference]: With dead ends: 113102 [2021-01-06 18:35:17,701 INFO L226 Difference]: Without dead ends: 74890 [2021-01-06 18:35:17,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:35:17,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74890 states. [2021-01-06 18:35:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74890 to 38469. [2021-01-06 18:35:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38469 states. [2021-01-06 18:35:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38469 states to 38469 states and 69229 transitions. [2021-01-06 18:35:20,038 INFO L78 Accepts]: Start accepts. Automaton has 38469 states and 69229 transitions. Word has length 78 [2021-01-06 18:35:20,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:20,038 INFO L481 AbstractCegarLoop]: Abstraction has 38469 states and 69229 transitions. [2021-01-06 18:35:20,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 38469 states and 69229 transitions. [2021-01-06 18:35:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:35:20,059 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:20,059 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] [2021-01-06 18:35:20,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:35:20,060 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:20,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:20,060 INFO L82 PathProgramCache]: Analyzing trace with hash 739508486, now seen corresponding path program 2 times [2021-01-06 18:35:20,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:20,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006815029] [2021-01-06 18:35:20,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:20,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006815029] [2021-01-06 18:35:20,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:20,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:20,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4786554] [2021-01-06 18:35:20,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:20,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:20,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:20,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:20,123 INFO L87 Difference]: Start difference. First operand 38469 states and 69229 transitions. Second operand 3 states. [2021-01-06 18:35:21,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:21,941 INFO L93 Difference]: Finished difference Result 76865 states and 138325 transitions. [2021-01-06 18:35:21,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:21,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:35:21,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:22,041 INFO L225 Difference]: With dead ends: 76865 [2021-01-06 18:35:22,041 INFO L226 Difference]: Without dead ends: 38659 [2021-01-06 18:35:22,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:22,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38659 states. [2021-01-06 18:35:23,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38659 to 38469. [2021-01-06 18:35:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38469 states. [2021-01-06 18:35:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38469 states to 38469 states and 69101 transitions. [2021-01-06 18:35:23,821 INFO L78 Accepts]: Start accepts. Automaton has 38469 states and 69101 transitions. Word has length 78 [2021-01-06 18:35:23,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:23,822 INFO L481 AbstractCegarLoop]: Abstraction has 38469 states and 69101 transitions. [2021-01-06 18:35:23,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 38469 states and 69101 transitions. [2021-01-06 18:35:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:35:23,835 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:23,835 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] [2021-01-06 18:35:23,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:35:23,835 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:23,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:23,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1157598407, now seen corresponding path program 1 times [2021-01-06 18:35:23,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:23,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773897589] [2021-01-06 18:35:23,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:23,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773897589] [2021-01-06 18:35:23,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:23,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:23,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4673270] [2021-01-06 18:35:23,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:23,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:23,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:23,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:23,917 INFO L87 Difference]: Start difference. First operand 38469 states and 69101 transitions. Second operand 3 states. [2021-01-06 18:35:26,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:26,462 INFO L93 Difference]: Finished difference Result 106987 states and 191903 transitions. [2021-01-06 18:35:26,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:26,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:35:26,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:26,634 INFO L225 Difference]: With dead ends: 106987 [2021-01-06 18:35:26,634 INFO L226 Difference]: Without dead ends: 68741 [2021-01-06 18:35:26,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:26,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68741 states. [2021-01-06 18:35:29,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68741 to 68551. [2021-01-06 18:35:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68551 states. [2021-01-06 18:35:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68551 states to 68551 states and 122606 transitions. [2021-01-06 18:35:29,887 INFO L78 Accepts]: Start accepts. Automaton has 68551 states and 122606 transitions. Word has length 78 [2021-01-06 18:35:29,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:29,888 INFO L481 AbstractCegarLoop]: Abstraction has 68551 states and 122606 transitions. [2021-01-06 18:35:29,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 68551 states and 122606 transitions. [2021-01-06 18:35:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:35:29,900 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:29,900 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:29,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:35:29,901 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:29,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:29,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1063463552, now seen corresponding path program 1 times [2021-01-06 18:35:29,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:29,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324127008] [2021-01-06 18:35:29,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:35:30,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324127008] [2021-01-06 18:35:30,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321501455] [2021-01-06 18:35:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:35:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:30,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:35:30,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:35:30,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:30,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:35:30,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-01-06 18:35:30,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045197972] [2021-01-06 18:35:30,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:35:30,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:30,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:35:30,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:35:30,769 INFO L87 Difference]: Start difference. First operand 68551 states and 122606 transitions. Second operand 8 states. [2021-01-06 18:35:33,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:33,776 INFO L93 Difference]: Finished difference Result 71613 states and 127856 transitions. [2021-01-06 18:35:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-06 18:35:33,777 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2021-01-06 18:35:33,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:33,878 INFO L225 Difference]: With dead ends: 71613 [2021-01-06 18:35:33,878 INFO L226 Difference]: Without dead ends: 71423 [2021-01-06 18:35:33,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2021-01-06 18:35:33,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71423 states. [2021-01-06 18:35:36,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71423 to 70617. [2021-01-06 18:35:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70617 states. [2021-01-06 18:35:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70617 states to 70617 states and 126222 transitions. [2021-01-06 18:35:37,051 INFO L78 Accepts]: Start accepts. Automaton has 70617 states and 126222 transitions. Word has length 79 [2021-01-06 18:35:37,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:37,052 INFO L481 AbstractCegarLoop]: Abstraction has 70617 states and 126222 transitions. [2021-01-06 18:35:37,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:35:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 70617 states and 126222 transitions. [2021-01-06 18:35:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:35:37,068 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:37,069 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] [2021-01-06 18:35:37,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:35:37,283 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:37,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:37,284 INFO L82 PathProgramCache]: Analyzing trace with hash -831476787, now seen corresponding path program 1 times [2021-01-06 18:35:37,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:37,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281642601] [2021-01-06 18:35:37,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:37,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281642601] [2021-01-06 18:35:37,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:37,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:37,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774343316] [2021-01-06 18:35:37,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:37,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:37,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:37,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:37,391 INFO L87 Difference]: Start difference. First operand 70617 states and 126222 transitions. Second operand 3 states. [2021-01-06 18:35:42,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:42,090 INFO L93 Difference]: Finished difference Result 205416 states and 367327 transitions. [2021-01-06 18:35:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:42,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2021-01-06 18:35:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:42,580 INFO L225 Difference]: With dead ends: 205416 [2021-01-06 18:35:42,580 INFO L226 Difference]: Without dead ends: 136574 [2021-01-06 18:35:42,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:42,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136574 states. [2021-01-06 18:35:48,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136574 to 136384. [2021-01-06 18:35:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136384 states. [2021-01-06 18:35:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136384 states to 136384 states and 243342 transitions. [2021-01-06 18:35:48,572 INFO L78 Accepts]: Start accepts. Automaton has 136384 states and 243342 transitions. Word has length 82 [2021-01-06 18:35:48,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:48,572 INFO L481 AbstractCegarLoop]: Abstraction has 136384 states and 243342 transitions. [2021-01-06 18:35:48,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 136384 states and 243342 transitions. [2021-01-06 18:35:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:35:48,869 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:48,872 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] [2021-01-06 18:35:48,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:35:48,872 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:48,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:48,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1578245388, now seen corresponding path program 1 times [2021-01-06 18:35:48,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:48,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888485884] [2021-01-06 18:35:48,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:48,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888485884] [2021-01-06 18:35:48,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:48,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:48,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162450771] [2021-01-06 18:35:48,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:48,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:48,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:48,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:48,956 INFO L87 Difference]: Start difference. First operand 136384 states and 243342 transitions. Second operand 3 states. [2021-01-06 18:35:56,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:56,547 INFO L93 Difference]: Finished difference Result 238849 states and 424515 transitions. [2021-01-06 18:35:56,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:56,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-01-06 18:35:56,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:57,213 INFO L225 Difference]: With dead ends: 238849 [2021-01-06 18:35:57,214 INFO L226 Difference]: Without dead ends: 238659 [2021-01-06 18:35:57,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:57,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238659 states. [2021-01-06 18:36:07,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238659 to 238469. [2021-01-06 18:36:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238469 states. [2021-01-06 18:36:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238469 states to 238469 states and 422867 transitions. [2021-01-06 18:36:08,068 INFO L78 Accepts]: Start accepts. Automaton has 238469 states and 422867 transitions. Word has length 83 [2021-01-06 18:36:08,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:08,068 INFO L481 AbstractCegarLoop]: Abstraction has 238469 states and 422867 transitions. [2021-01-06 18:36:08,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 238469 states and 422867 transitions. [2021-01-06 18:36:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:36:08,095 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:08,096 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] [2021-01-06 18:36:08,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:36:08,098 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:08,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:08,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1803479941, now seen corresponding path program 1 times [2021-01-06 18:36:08,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:08,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469663878] [2021-01-06 18:36:08,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:08,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469663878] [2021-01-06 18:36:08,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:08,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:36:08,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638394602] [2021-01-06 18:36:08,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:36:08,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:08,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:36:08,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:36:08,249 INFO L87 Difference]: Start difference. First operand 238469 states and 422867 transitions. Second operand 10 states. [2021-01-06 18:36:10,202 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-01-06 18:36:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:18,171 INFO L93 Difference]: Finished difference Result 240007 states and 425329 transitions. [2021-01-06 18:36:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-01-06 18:36:18,172 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 18:36:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:18,713 INFO L225 Difference]: With dead ends: 240007 [2021-01-06 18:36:18,713 INFO L226 Difference]: Without dead ends: 239881 [2021-01-06 18:36:18,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=381, Invalid=951, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 18:36:18,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239881 states. [2021-01-06 18:36:29,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239881 to 238661. [2021-01-06 18:36:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238661 states. [2021-01-06 18:36:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238661 states to 238661 states and 423181 transitions. [2021-01-06 18:36:29,776 INFO L78 Accepts]: Start accepts. Automaton has 238661 states and 423181 transitions. Word has length 84 [2021-01-06 18:36:29,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:29,776 INFO L481 AbstractCegarLoop]: Abstraction has 238661 states and 423181 transitions. [2021-01-06 18:36:29,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:36:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 238661 states and 423181 transitions. [2021-01-06 18:36:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:36:29,793 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:29,793 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] [2021-01-06 18:36:29,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:36:29,794 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:29,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:29,794 INFO L82 PathProgramCache]: Analyzing trace with hash 175713919, now seen corresponding path program 1 times [2021-01-06 18:36:29,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:29,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687115289] [2021-01-06 18:36:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:29,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687115289] [2021-01-06 18:36:29,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:29,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:36:29,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290556146] [2021-01-06 18:36:29,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:36:29,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:29,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:36:29,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:36:29,906 INFO L87 Difference]: Start difference. First operand 238661 states and 423181 transitions. Second operand 7 states. [2021-01-06 18:36:38,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:38,364 INFO L93 Difference]: Finished difference Result 239291 states and 424174 transitions. [2021-01-06 18:36:38,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:36:38,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2021-01-06 18:36:38,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:39,288 INFO L225 Difference]: With dead ends: 239291 [2021-01-06 18:36:39,288 INFO L226 Difference]: Without dead ends: 239089 [2021-01-06 18:36:39,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-01-06 18:36:39,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239089 states. [2021-01-06 18:36:50,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239089 to 238691. [2021-01-06 18:36:50,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238691 states. [2021-01-06 18:36:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238691 states to 238691 states and 423226 transitions. [2021-01-06 18:36:51,703 INFO L78 Accepts]: Start accepts. Automaton has 238691 states and 423226 transitions. Word has length 85 [2021-01-06 18:36:51,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:51,703 INFO L481 AbstractCegarLoop]: Abstraction has 238691 states and 423226 transitions. [2021-01-06 18:36:51,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:36:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 238691 states and 423226 transitions. [2021-01-06 18:36:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:36:51,718 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:51,718 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] [2021-01-06 18:36:51,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:36:51,718 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:51,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:51,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1036905526, now seen corresponding path program 1 times [2021-01-06 18:36:51,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:51,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045776502] [2021-01-06 18:36:51,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:51,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045776502] [2021-01-06 18:36:51,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:51,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:36:51,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796151432] [2021-01-06 18:36:51,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:36:51,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:51,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:36:51,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:36:51,867 INFO L87 Difference]: Start difference. First operand 238691 states and 423226 transitions. Second operand 7 states. [2021-01-06 18:36:59,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:59,922 INFO L93 Difference]: Finished difference Result 239116 states and 423896 transitions. [2021-01-06 18:36:59,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:36:59,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2021-01-06 18:36:59,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:00,448 INFO L225 Difference]: With dead ends: 239116 [2021-01-06 18:37:00,449 INFO L226 Difference]: Without dead ends: 238786 [2021-01-06 18:37:00,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:37:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238786 states. [2021-01-06 18:37:10,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238786 to 238645. [2021-01-06 18:37:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238645 states. [2021-01-06 18:37:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238645 states to 238645 states and 423147 transitions. [2021-01-06 18:37:11,927 INFO L78 Accepts]: Start accepts. Automaton has 238645 states and 423147 transitions. Word has length 85 [2021-01-06 18:37:11,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:11,927 INFO L481 AbstractCegarLoop]: Abstraction has 238645 states and 423147 transitions. [2021-01-06 18:37:11,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:37:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 238645 states and 423147 transitions. [2021-01-06 18:37:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:37:11,948 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:11,948 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] [2021-01-06 18:37:11,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:37:11,948 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:11,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:11,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1126697430, now seen corresponding path program 1 times [2021-01-06 18:37:11,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:11,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211600182] [2021-01-06 18:37:11,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:37:12,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211600182] [2021-01-06 18:37:12,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:12,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:37:12,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640381557] [2021-01-06 18:37:12,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:37:12,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:12,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:37:12,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:37:12,057 INFO L87 Difference]: Start difference. First operand 238645 states and 423147 transitions. Second operand 4 states. [2021-01-06 18:37:20,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:20,035 INFO L93 Difference]: Finished difference Result 238952 states and 423624 transitions. [2021-01-06 18:37:20,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:37:20,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2021-01-06 18:37:20,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:20,547 INFO L225 Difference]: With dead ends: 238952 [2021-01-06 18:37:20,548 INFO L226 Difference]: Without dead ends: 238748 [2021-01-06 18:37:20,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:37:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238748 states. [2021-01-06 18:37:30,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238748 to 238570. [2021-01-06 18:37:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238570 states. [2021-01-06 18:37:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238570 states to 238570 states and 423021 transitions. [2021-01-06 18:37:31,962 INFO L78 Accepts]: Start accepts. Automaton has 238570 states and 423021 transitions. Word has length 85 [2021-01-06 18:37:31,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:31,962 INFO L481 AbstractCegarLoop]: Abstraction has 238570 states and 423021 transitions. [2021-01-06 18:37:31,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:37:31,962 INFO L276 IsEmpty]: Start isEmpty. Operand 238570 states and 423021 transitions. [2021-01-06 18:37:31,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:37:31,982 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:31,982 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] [2021-01-06 18:37:31,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:37:31,982 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:31,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:31,983 INFO L82 PathProgramCache]: Analyzing trace with hash 569102125, now seen corresponding path program 1 times [2021-01-06 18:37:31,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:31,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701820364] [2021-01-06 18:37:31,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:37:32,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701820364] [2021-01-06 18:37:32,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:32,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:37:32,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779373472] [2021-01-06 18:37:32,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:37:32,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:32,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:37:32,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:37:32,097 INFO L87 Difference]: Start difference. First operand 238570 states and 423021 transitions. Second operand 5 states.