/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_spec11_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:44:06,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:44:06,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:44:06,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:44:06,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:44:06,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:44:06,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:44:06,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:44:06,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:44:06,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:44:06,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:44:06,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:44:06,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:44:06,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:44:06,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:44:06,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:44:06,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:44:06,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:44:06,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:44:06,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:44:06,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:44:06,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:44:06,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:44:06,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:44:06,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:44:06,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:44:06,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:44:06,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:44:06,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:44:06,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:44:06,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:44:06,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:44:06,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:44:06,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:44:06,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:44:06,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:44:06,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:44:06,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:44:06,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:44:06,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:44:06,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:44:06,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:44:06,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:44:06,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:44:06,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:44:06,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:44:06,317 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:44:06,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:44:06,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:44:06,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:44:06,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:44:06,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:44:06,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:44:06,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:44:06,320 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:44:06,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:44:06,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:44:06,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:44:06,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:44:06,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:44:06,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:44:06,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:44:06,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:44:06,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:44:06,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:44:06,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:44:06,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:44:06,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:44:06,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:44:06,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:44:06,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:44:06,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:44:06,754 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:44:06,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product22.cil.c [2020-12-23 08:44:06,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/97b0fced9/250ad85e270e469e86a30c1e13fd39a7/FLAGb78ddbfd5 [2020-12-23 08:44:07,640 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:44:07,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product22.cil.c [2020-12-23 08:44:07,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/97b0fced9/250ad85e270e469e86a30c1e13fd39a7/FLAGb78ddbfd5 [2020-12-23 08:44:07,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/97b0fced9/250ad85e270e469e86a30c1e13fd39a7 [2020-12-23 08:44:07,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:44:07,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:44:07,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:44:07,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:44:07,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:44:07,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:44:07" (1/1) ... [2020-12-23 08:44:07,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53631f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:07, skipping insertion in model container [2020-12-23 08:44:07,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:44:07" (1/1) ... [2020-12-23 08:44:07,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:44:07,904 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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[~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[~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[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~15,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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] [2020-12-23 08:44:08,520 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_spec11_product22.cil.c[40551,40564] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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~28,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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_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~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_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~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_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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 08:44:08,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:44:08,750 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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[~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[~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[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~15,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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] [2020-12-23 08:44:08,887 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_spec11_product22.cil.c[40551,40564] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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~28,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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_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~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_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~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_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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 08:44:08,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:44:09,055 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:44:09,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09 WrapperNode [2020-12-23 08:44:09,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:44:09,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:44:09,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:44:09,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:44:09,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:44:09,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:44:09,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:44:09,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:44:09,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... [2020-12-23 08:44:09,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:44:09,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:44:09,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:44:09,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:44:09,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:44:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:44:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:44:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:44:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:44:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:44:11,464 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:44:11,465 INFO L299 CfgBuilder]: Removed 323 assume(true) statements. [2020-12-23 08:44:11,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:44:11 BoogieIcfgContainer [2020-12-23 08:44:11,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:44:11,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:44:11,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:44:11,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:44:11,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:44:07" (1/3) ... [2020-12-23 08:44:11,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afbe2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:44:11, skipping insertion in model container [2020-12-23 08:44:11,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:09" (2/3) ... [2020-12-23 08:44:11,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afbe2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:44:11, skipping insertion in model container [2020-12-23 08:44:11,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:44:11" (3/3) ... [2020-12-23 08:44:11,477 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product22.cil.c [2020-12-23 08:44:11,483 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:44:11,489 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:44:11,507 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:44:11,539 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:44:11,539 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:44:11,540 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:44:11,540 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:44:11,540 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:44:11,540 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:44:11,540 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:44:11,540 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:44:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states. [2020-12-23 08:44:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:44:11,586 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:11,587 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] [2020-12-23 08:44:11,587 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:11,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:11,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1122672525, now seen corresponding path program 1 times [2020-12-23 08:44:11,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:11,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988113061] [2020-12-23 08:44:11,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:12,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988113061] [2020-12-23 08:44:12,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:12,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:12,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005586033] [2020-12-23 08:44:12,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:12,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:12,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:12,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:12,044 INFO L87 Difference]: Start difference. First operand 475 states. Second operand 3 states. [2020-12-23 08:44:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:12,234 INFO L93 Difference]: Finished difference Result 1390 states and 2405 transitions. [2020-12-23 08:44:12,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:12,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 08:44:12,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:12,273 INFO L225 Difference]: With dead ends: 1390 [2020-12-23 08:44:12,273 INFO L226 Difference]: Without dead ends: 844 [2020-12-23 08:44:12,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:12,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-12-23 08:44:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 431. [2020-12-23 08:44:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-12-23 08:44:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 744 transitions. [2020-12-23 08:44:12,418 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 744 transitions. Word has length 52 [2020-12-23 08:44:12,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:12,419 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 744 transitions. [2020-12-23 08:44:12,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:12,419 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 744 transitions. [2020-12-23 08:44:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:44:12,424 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:12,424 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] [2020-12-23 08:44:12,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:44:12,424 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:12,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:12,425 INFO L82 PathProgramCache]: Analyzing trace with hash 164009440, now seen corresponding path program 1 times [2020-12-23 08:44:12,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:12,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068229664] [2020-12-23 08:44:12,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:12,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068229664] [2020-12-23 08:44:12,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:12,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:12,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010410028] [2020-12-23 08:44:12,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:12,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:12,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:12,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:12,580 INFO L87 Difference]: Start difference. First operand 431 states and 744 transitions. Second operand 5 states. [2020-12-23 08:44:12,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:12,802 INFO L93 Difference]: Finished difference Result 1242 states and 2148 transitions. [2020-12-23 08:44:12,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:44:12,802 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 08:44:12,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:12,808 INFO L225 Difference]: With dead ends: 1242 [2020-12-23 08:44:12,808 INFO L226 Difference]: Without dead ends: 830 [2020-12-23 08:44:12,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:44:12,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-12-23 08:44:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 431. [2020-12-23 08:44:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-12-23 08:44:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 743 transitions. [2020-12-23 08:44:12,842 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 743 transitions. Word has length 54 [2020-12-23 08:44:12,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:12,844 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 743 transitions. [2020-12-23 08:44:12,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 743 transitions. [2020-12-23 08:44:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:44:12,858 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:12,858 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] [2020-12-23 08:44:12,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:44:12,859 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:12,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:12,861 INFO L82 PathProgramCache]: Analyzing trace with hash 622646637, now seen corresponding path program 1 times [2020-12-23 08:44:12,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:12,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280575466] [2020-12-23 08:44:12,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:13,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280575466] [2020-12-23 08:44:13,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:13,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:13,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363416855] [2020-12-23 08:44:13,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:13,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:13,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:13,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:13,023 INFO L87 Difference]: Start difference. First operand 431 states and 743 transitions. Second operand 3 states. [2020-12-23 08:44:13,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:13,067 INFO L93 Difference]: Finished difference Result 844 states and 1460 transitions. [2020-12-23 08:44:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:13,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:44:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:13,072 INFO L225 Difference]: With dead ends: 844 [2020-12-23 08:44:13,072 INFO L226 Difference]: Without dead ends: 436 [2020-12-23 08:44:13,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-12-23 08:44:13,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 431. [2020-12-23 08:44:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-12-23 08:44:13,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 742 transitions. [2020-12-23 08:44:13,097 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 742 transitions. Word has length 55 [2020-12-23 08:44:13,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:13,105 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 742 transitions. [2020-12-23 08:44:13,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 742 transitions. [2020-12-23 08:44:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 08:44:13,106 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:13,107 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] [2020-12-23 08:44:13,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:44:13,107 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:13,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:13,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1847295411, now seen corresponding path program 1 times [2020-12-23 08:44:13,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:13,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434744175] [2020-12-23 08:44:13,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:13,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434744175] [2020-12-23 08:44:13,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:13,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:13,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250234481] [2020-12-23 08:44:13,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:13,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:13,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:13,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:13,238 INFO L87 Difference]: Start difference. First operand 431 states and 742 transitions. Second operand 3 states. [2020-12-23 08:44:13,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:13,274 INFO L93 Difference]: Finished difference Result 854 states and 1473 transitions. [2020-12-23 08:44:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:13,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-23 08:44:13,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:13,277 INFO L225 Difference]: With dead ends: 854 [2020-12-23 08:44:13,278 INFO L226 Difference]: Without dead ends: 431 [2020-12-23 08:44:13,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:13,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-12-23 08:44:13,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2020-12-23 08:44:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-12-23 08:44:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 740 transitions. [2020-12-23 08:44:13,328 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 740 transitions. Word has length 56 [2020-12-23 08:44:13,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:13,329 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 740 transitions. [2020-12-23 08:44:13,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:13,329 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 740 transitions. [2020-12-23 08:44:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 08:44:13,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:13,331 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] [2020-12-23 08:44:13,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:44:13,331 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:13,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:13,332 INFO L82 PathProgramCache]: Analyzing trace with hash -125332856, now seen corresponding path program 1 times [2020-12-23 08:44:13,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:13,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253026969] [2020-12-23 08:44:13,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:13,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253026969] [2020-12-23 08:44:13,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:13,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:13,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995463504] [2020-12-23 08:44:13,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:13,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:13,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:13,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:13,409 INFO L87 Difference]: Start difference. First operand 431 states and 740 transitions. Second operand 5 states. [2020-12-23 08:44:13,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:13,557 INFO L93 Difference]: Finished difference Result 1232 states and 2128 transitions. [2020-12-23 08:44:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:13,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-23 08:44:13,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:13,564 INFO L225 Difference]: With dead ends: 1232 [2020-12-23 08:44:13,564 INFO L226 Difference]: Without dead ends: 828 [2020-12-23 08:44:13,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:13,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-12-23 08:44:13,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 431. [2020-12-23 08:44:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-12-23 08:44:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 739 transitions. [2020-12-23 08:44:13,590 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 739 transitions. Word has length 57 [2020-12-23 08:44:13,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:13,590 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 739 transitions. [2020-12-23 08:44:13,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 739 transitions. [2020-12-23 08:44:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:44:13,592 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:13,592 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] [2020-12-23 08:44:13,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:44:13,592 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:13,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:13,593 INFO L82 PathProgramCache]: Analyzing trace with hash -2135733525, now seen corresponding path program 1 times [2020-12-23 08:44:13,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:13,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308724791] [2020-12-23 08:44:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:13,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308724791] [2020-12-23 08:44:13,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:13,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:13,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766163950] [2020-12-23 08:44:13,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:13,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:13,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:13,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:13,689 INFO L87 Difference]: Start difference. First operand 431 states and 739 transitions. Second operand 5 states. [2020-12-23 08:44:13,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:13,853 INFO L93 Difference]: Finished difference Result 1237 states and 2133 transitions. [2020-12-23 08:44:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:13,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-23 08:44:13,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:13,859 INFO L225 Difference]: With dead ends: 1237 [2020-12-23 08:44:13,859 INFO L226 Difference]: Without dead ends: 833 [2020-12-23 08:44:13,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:13,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2020-12-23 08:44:13,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 431. [2020-12-23 08:44:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-12-23 08:44:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 738 transitions. [2020-12-23 08:44:13,913 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 738 transitions. Word has length 58 [2020-12-23 08:44:13,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:13,913 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 738 transitions. [2020-12-23 08:44:13,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 738 transitions. [2020-12-23 08:44:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:44:13,915 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:13,915 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] [2020-12-23 08:44:13,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:44:13,916 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:13,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:13,917 INFO L82 PathProgramCache]: Analyzing trace with hash -459559421, now seen corresponding path program 1 times [2020-12-23 08:44:13,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:13,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810587697] [2020-12-23 08:44:13,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:13,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810587697] [2020-12-23 08:44:13,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:13,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:13,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242215365] [2020-12-23 08:44:13,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:13,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:13,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:13,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:13,990 INFO L87 Difference]: Start difference. First operand 431 states and 738 transitions. Second operand 3 states. [2020-12-23 08:44:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:14,030 INFO L93 Difference]: Finished difference Result 620 states and 1045 transitions. [2020-12-23 08:44:14,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:14,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-23 08:44:14,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:14,034 INFO L225 Difference]: With dead ends: 620 [2020-12-23 08:44:14,034 INFO L226 Difference]: Without dead ends: 434 [2020-12-23 08:44:14,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-12-23 08:44:14,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 433. [2020-12-23 08:44:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-12-23 08:44:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 740 transitions. [2020-12-23 08:44:14,071 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 740 transitions. Word has length 59 [2020-12-23 08:44:14,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:14,074 INFO L481 AbstractCegarLoop]: Abstraction has 433 states and 740 transitions. [2020-12-23 08:44:14,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 740 transitions. [2020-12-23 08:44:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:44:14,076 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:14,076 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] [2020-12-23 08:44:14,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:44:14,077 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:14,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:14,078 INFO L82 PathProgramCache]: Analyzing trace with hash 470309361, now seen corresponding path program 1 times [2020-12-23 08:44:14,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:14,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062465086] [2020-12-23 08:44:14,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:14,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062465086] [2020-12-23 08:44:14,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:14,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:14,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023666472] [2020-12-23 08:44:14,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:14,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:14,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:14,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:14,185 INFO L87 Difference]: Start difference. First operand 433 states and 740 transitions. Second operand 3 states. [2020-12-23 08:44:14,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:14,251 INFO L93 Difference]: Finished difference Result 1185 states and 2044 transitions. [2020-12-23 08:44:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:14,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:44:14,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:14,257 INFO L225 Difference]: With dead ends: 1185 [2020-12-23 08:44:14,258 INFO L226 Difference]: Without dead ends: 783 [2020-12-23 08:44:14,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-12-23 08:44:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 597. [2020-12-23 08:44:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-12-23 08:44:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1040 transitions. [2020-12-23 08:44:14,305 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1040 transitions. Word has length 67 [2020-12-23 08:44:14,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:14,305 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 1040 transitions. [2020-12-23 08:44:14,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1040 transitions. [2020-12-23 08:44:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:44:14,307 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:14,308 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] [2020-12-23 08:44:14,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:44:14,310 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:14,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:14,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1152553392, now seen corresponding path program 1 times [2020-12-23 08:44:14,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:14,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866439107] [2020-12-23 08:44:14,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:14,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:14,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866439107] [2020-12-23 08:44:14,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:14,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:14,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672004209] [2020-12-23 08:44:14,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:14,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:14,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:14,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:14,445 INFO L87 Difference]: Start difference. First operand 597 states and 1040 transitions. Second operand 5 states. [2020-12-23 08:44:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:14,687 INFO L93 Difference]: Finished difference Result 1721 states and 3026 transitions. [2020-12-23 08:44:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:14,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-23 08:44:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:14,695 INFO L225 Difference]: With dead ends: 1721 [2020-12-23 08:44:14,695 INFO L226 Difference]: Without dead ends: 1155 [2020-12-23 08:44:14,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2020-12-23 08:44:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 597. [2020-12-23 08:44:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-12-23 08:44:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1038 transitions. [2020-12-23 08:44:14,758 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1038 transitions. Word has length 68 [2020-12-23 08:44:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:14,758 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 1038 transitions. [2020-12-23 08:44:14,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1038 transitions. [2020-12-23 08:44:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:44:14,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:14,760 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:14,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:44:14,761 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:14,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:14,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1726473383, now seen corresponding path program 1 times [2020-12-23 08:44:14,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:14,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727389195] [2020-12-23 08:44:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:14,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727389195] [2020-12-23 08:44:14,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:14,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:14,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252959804] [2020-12-23 08:44:14,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:14,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:14,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:14,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:14,864 INFO L87 Difference]: Start difference. First operand 597 states and 1038 transitions. Second operand 3 states. [2020-12-23 08:44:14,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:14,951 INFO L93 Difference]: Finished difference Result 1719 states and 3018 transitions. [2020-12-23 08:44:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:14,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:44:14,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:14,961 INFO L225 Difference]: With dead ends: 1719 [2020-12-23 08:44:14,961 INFO L226 Difference]: Without dead ends: 1153 [2020-12-23 08:44:14,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:14,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2020-12-23 08:44:15,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 967. [2020-12-23 08:44:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2020-12-23 08:44:15,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1715 transitions. [2020-12-23 08:44:15,029 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1715 transitions. Word has length 69 [2020-12-23 08:44:15,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:15,030 INFO L481 AbstractCegarLoop]: Abstraction has 967 states and 1715 transitions. [2020-12-23 08:44:15,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1715 transitions. [2020-12-23 08:44:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:44:15,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:15,033 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:15,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:44:15,033 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:15,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:15,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1166883653, now seen corresponding path program 1 times [2020-12-23 08:44:15,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:15,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762917735] [2020-12-23 08:44:15,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:15,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762917735] [2020-12-23 08:44:15,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830890893] [2020-12-23 08:44:15,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:44:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:15,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:44:15,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:44:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:15,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:44:15,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:44:15,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125928321] [2020-12-23 08:44:15,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:15,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:15,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:15,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:15,692 INFO L87 Difference]: Start difference. First operand 967 states and 1715 transitions. Second operand 5 states. [2020-12-23 08:44:15,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:15,824 INFO L93 Difference]: Finished difference Result 1562 states and 2724 transitions. [2020-12-23 08:44:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:44:15,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-12-23 08:44:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:15,834 INFO L225 Difference]: With dead ends: 1562 [2020-12-23 08:44:15,835 INFO L226 Difference]: Without dead ends: 1376 [2020-12-23 08:44:15,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:15,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2020-12-23 08:44:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1187. [2020-12-23 08:44:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2020-12-23 08:44:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2112 transitions. [2020-12-23 08:44:15,941 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2112 transitions. Word has length 69 [2020-12-23 08:44:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:15,942 INFO L481 AbstractCegarLoop]: Abstraction has 1187 states and 2112 transitions. [2020-12-23 08:44:15,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2112 transitions. [2020-12-23 08:44:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:44:15,945 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:15,945 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] [2020-12-23 08:44:16,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:44:16,159 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:16,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1987313698, now seen corresponding path program 1 times [2020-12-23 08:44:16,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:16,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897595109] [2020-12-23 08:44:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:16,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897595109] [2020-12-23 08:44:16,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:16,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:16,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888883378] [2020-12-23 08:44:16,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:16,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:16,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:16,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:16,258 INFO L87 Difference]: Start difference. First operand 1187 states and 2112 transitions. Second operand 3 states. [2020-12-23 08:44:16,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:16,401 INFO L93 Difference]: Finished difference Result 3191 states and 5703 transitions. [2020-12-23 08:44:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:16,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 08:44:16,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:16,413 INFO L225 Difference]: With dead ends: 3191 [2020-12-23 08:44:16,414 INFO L226 Difference]: Without dead ends: 2105 [2020-12-23 08:44:16,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:16,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2020-12-23 08:44:16,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 1919. [2020-12-23 08:44:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1919 states. [2020-12-23 08:44:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 3445 transitions. [2020-12-23 08:44:16,570 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 3445 transitions. Word has length 73 [2020-12-23 08:44:16,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:16,572 INFO L481 AbstractCegarLoop]: Abstraction has 1919 states and 3445 transitions. [2020-12-23 08:44:16,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:16,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 3445 transitions. [2020-12-23 08:44:16,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:44:16,576 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:16,577 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] [2020-12-23 08:44:16,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:44:16,577 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:16,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:16,578 INFO L82 PathProgramCache]: Analyzing trace with hash -955982430, now seen corresponding path program 1 times [2020-12-23 08:44:16,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:16,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600015009] [2020-12-23 08:44:16,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:16,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:16,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600015009] [2020-12-23 08:44:16,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:16,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:16,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660227840] [2020-12-23 08:44:16,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:16,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:16,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:16,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:16,667 INFO L87 Difference]: Start difference. First operand 1919 states and 3445 transitions. Second operand 3 states. [2020-12-23 08:44:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:16,846 INFO L93 Difference]: Finished difference Result 5123 states and 9221 transitions. [2020-12-23 08:44:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:16,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:44:16,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:16,865 INFO L225 Difference]: With dead ends: 5123 [2020-12-23 08:44:16,865 INFO L226 Difference]: Without dead ends: 3339 [2020-12-23 08:44:16,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:16,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2020-12-23 08:44:17,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 3153. [2020-12-23 08:44:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3153 states. [2020-12-23 08:44:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 3153 states and 5686 transitions. [2020-12-23 08:44:17,107 INFO L78 Accepts]: Start accepts. Automaton has 3153 states and 5686 transitions. Word has length 74 [2020-12-23 08:44:17,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:17,108 INFO L481 AbstractCegarLoop]: Abstraction has 3153 states and 5686 transitions. [2020-12-23 08:44:17,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 5686 transitions. [2020-12-23 08:44:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:44:17,114 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:17,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:17,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:44:17,115 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:17,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:17,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1146769747, now seen corresponding path program 1 times [2020-12-23 08:44:17,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:17,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306958560] [2020-12-23 08:44:17,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:17,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306958560] [2020-12-23 08:44:17,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:17,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:17,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414066758] [2020-12-23 08:44:17,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:17,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:17,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:17,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:17,208 INFO L87 Difference]: Start difference. First operand 3153 states and 5686 transitions. Second operand 3 states. [2020-12-23 08:44:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:17,574 INFO L93 Difference]: Finished difference Result 8541 states and 15427 transitions. [2020-12-23 08:44:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:17,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:44:17,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:17,616 INFO L225 Difference]: With dead ends: 8541 [2020-12-23 08:44:17,617 INFO L226 Difference]: Without dead ends: 5557 [2020-12-23 08:44:17,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:17,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2020-12-23 08:44:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 5371. [2020-12-23 08:44:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5371 states. [2020-12-23 08:44:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 9703 transitions. [2020-12-23 08:44:18,098 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 9703 transitions. Word has length 75 [2020-12-23 08:44:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:18,099 INFO L481 AbstractCegarLoop]: Abstraction has 5371 states and 9703 transitions. [2020-12-23 08:44:18,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 9703 transitions. [2020-12-23 08:44:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:44:18,107 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:18,107 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] [2020-12-23 08:44:18,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:44:18,107 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:18,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1338544717, now seen corresponding path program 1 times [2020-12-23 08:44:18,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:18,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855898025] [2020-12-23 08:44:18,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:18,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855898025] [2020-12-23 08:44:18,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:18,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:18,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711653555] [2020-12-23 08:44:18,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:18,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:18,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:18,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:18,180 INFO L87 Difference]: Start difference. First operand 5371 states and 9703 transitions. Second operand 3 states. [2020-12-23 08:44:18,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:18,727 INFO L93 Difference]: Finished difference Result 15521 states and 28089 transitions. [2020-12-23 08:44:18,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:18,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 08:44:18,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:18,783 INFO L225 Difference]: With dead ends: 15521 [2020-12-23 08:44:18,784 INFO L226 Difference]: Without dead ends: 10327 [2020-12-23 08:44:18,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:18,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10327 states. [2020-12-23 08:44:19,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10327 to 10141. [2020-12-23 08:44:19,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10141 states. [2020-12-23 08:44:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10141 states to 10141 states and 18344 transitions. [2020-12-23 08:44:19,462 INFO L78 Accepts]: Start accepts. Automaton has 10141 states and 18344 transitions. Word has length 76 [2020-12-23 08:44:19,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:19,462 INFO L481 AbstractCegarLoop]: Abstraction has 10141 states and 18344 transitions. [2020-12-23 08:44:19,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 10141 states and 18344 transitions. [2020-12-23 08:44:19,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:44:19,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:19,472 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] [2020-12-23 08:44:19,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:44:19,473 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:19,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:19,473 INFO L82 PathProgramCache]: Analyzing trace with hash -762953406, now seen corresponding path program 1 times [2020-12-23 08:44:19,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:19,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262215693] [2020-12-23 08:44:19,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:19,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262215693] [2020-12-23 08:44:19,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:19,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:19,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288913858] [2020-12-23 08:44:19,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:19,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:19,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:19,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:19,540 INFO L87 Difference]: Start difference. First operand 10141 states and 18344 transitions. Second operand 3 states. [2020-12-23 08:44:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:20,926 INFO L93 Difference]: Finished difference Result 29661 states and 53711 transitions. [2020-12-23 08:44:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:20,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:44:20,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:20,994 INFO L225 Difference]: With dead ends: 29661 [2020-12-23 08:44:20,994 INFO L226 Difference]: Without dead ends: 19705 [2020-12-23 08:44:21,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:21,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19705 states. [2020-12-23 08:44:22,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19705 to 19519. [2020-12-23 08:44:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19519 states. [2020-12-23 08:44:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19519 states to 19519 states and 35305 transitions. [2020-12-23 08:44:22,082 INFO L78 Accepts]: Start accepts. Automaton has 19519 states and 35305 transitions. Word has length 77 [2020-12-23 08:44:22,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:22,083 INFO L481 AbstractCegarLoop]: Abstraction has 19519 states and 35305 transitions. [2020-12-23 08:44:22,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 19519 states and 35305 transitions. [2020-12-23 08:44:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:44:22,095 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:22,095 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] [2020-12-23 08:44:22,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:44:22,096 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:22,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:22,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2058800126, now seen corresponding path program 1 times [2020-12-23 08:44:22,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:22,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397867696] [2020-12-23 08:44:22,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:22,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397867696] [2020-12-23 08:44:22,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:22,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:22,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328069401] [2020-12-23 08:44:22,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:22,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:22,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:22,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:22,163 INFO L87 Difference]: Start difference. First operand 19519 states and 35305 transitions. Second operand 3 states. [2020-12-23 08:44:24,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:24,175 INFO L93 Difference]: Finished difference Result 57981 states and 104908 transitions. [2020-12-23 08:44:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:24,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 08:44:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:24,288 INFO L225 Difference]: With dead ends: 57981 [2020-12-23 08:44:24,288 INFO L226 Difference]: Without dead ends: 38651 [2020-12-23 08:44:24,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:24,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38651 states. [2020-12-23 08:44:26,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38651 to 38465. [2020-12-23 08:44:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38465 states. [2020-12-23 08:44:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38465 states to 38465 states and 69482 transitions. [2020-12-23 08:44:26,461 INFO L78 Accepts]: Start accepts. Automaton has 38465 states and 69482 transitions. Word has length 78 [2020-12-23 08:44:26,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:26,461 INFO L481 AbstractCegarLoop]: Abstraction has 38465 states and 69482 transitions. [2020-12-23 08:44:26,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 38465 states and 69482 transitions. [2020-12-23 08:44:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:44:26,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:26,479 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] [2020-12-23 08:44:26,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:44:26,480 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:26,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1745045353, now seen corresponding path program 1 times [2020-12-23 08:44:26,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:26,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320321802] [2020-12-23 08:44:26,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:44:26,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320321802] [2020-12-23 08:44:26,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:26,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:26,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145914201] [2020-12-23 08:44:26,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:26,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:26,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:26,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:26,571 INFO L87 Difference]: Start difference. First operand 38465 states and 69482 transitions. Second operand 5 states. [2020-12-23 08:44:29,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:29,179 INFO L93 Difference]: Finished difference Result 113090 states and 204245 transitions. [2020-12-23 08:44:29,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:44:29,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-23 08:44:29,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:29,361 INFO L225 Difference]: With dead ends: 113090 [2020-12-23 08:44:29,361 INFO L226 Difference]: Without dead ends: 74882 [2020-12-23 08:44:29,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:44:29,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74882 states. [2020-12-23 08:44:31,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74882 to 38465. [2020-12-23 08:44:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38465 states. [2020-12-23 08:44:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38465 states to 38465 states and 69224 transitions. [2020-12-23 08:44:31,740 INFO L78 Accepts]: Start accepts. Automaton has 38465 states and 69224 transitions. Word has length 79 [2020-12-23 08:44:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:31,741 INFO L481 AbstractCegarLoop]: Abstraction has 38465 states and 69224 transitions. [2020-12-23 08:44:31,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 38465 states and 69224 transitions. [2020-12-23 08:44:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:44:31,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:31,755 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:31,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:44:31,755 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:31,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:31,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1185455623, now seen corresponding path program 2 times [2020-12-23 08:44:31,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:31,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569717259] [2020-12-23 08:44:31,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:31,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569717259] [2020-12-23 08:44:31,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:31,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:31,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842085310] [2020-12-23 08:44:31,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:31,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:31,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:31,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:31,828 INFO L87 Difference]: Start difference. First operand 38465 states and 69224 transitions. Second operand 3 states. [2020-12-23 08:44:33,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:33,594 INFO L93 Difference]: Finished difference Result 76853 states and 138310 transitions. [2020-12-23 08:44:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:33,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 08:44:33,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:33,670 INFO L225 Difference]: With dead ends: 76853 [2020-12-23 08:44:33,671 INFO L226 Difference]: Without dead ends: 38651 [2020-12-23 08:44:33,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:33,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38651 states. [2020-12-23 08:44:35,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38651 to 38465. [2020-12-23 08:44:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38465 states. [2020-12-23 08:44:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38465 states to 38465 states and 69096 transitions. [2020-12-23 08:44:35,748 INFO L78 Accepts]: Start accepts. Automaton has 38465 states and 69096 transitions. Word has length 79 [2020-12-23 08:44:35,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:35,748 INFO L481 AbstractCegarLoop]: Abstraction has 38465 states and 69096 transitions. [2020-12-23 08:44:35,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 38465 states and 69096 transitions. [2020-12-23 08:44:35,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:44:35,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:35,762 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] [2020-12-23 08:44:35,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:44:35,763 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:35,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:35,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1790283212, now seen corresponding path program 1 times [2020-12-23 08:44:35,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:35,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275663879] [2020-12-23 08:44:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:35,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:35,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275663879] [2020-12-23 08:44:35,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:35,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:35,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798327530] [2020-12-23 08:44:35,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:35,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:35,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:35,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:35,850 INFO L87 Difference]: Start difference. First operand 38465 states and 69096 transitions. Second operand 3 states. [2020-12-23 08:44:38,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:38,496 INFO L93 Difference]: Finished difference Result 106975 states and 191888 transitions. [2020-12-23 08:44:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:38,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 08:44:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:38,607 INFO L225 Difference]: With dead ends: 106975 [2020-12-23 08:44:38,607 INFO L226 Difference]: Without dead ends: 68733 [2020-12-23 08:44:38,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:38,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68733 states. [2020-12-23 08:44:41,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68733 to 68547. [2020-12-23 08:44:41,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68547 states. [2020-12-23 08:44:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68547 states to 68547 states and 122601 transitions. [2020-12-23 08:44:41,677 INFO L78 Accepts]: Start accepts. Automaton has 68547 states and 122601 transitions. Word has length 79 [2020-12-23 08:44:41,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:41,677 INFO L481 AbstractCegarLoop]: Abstraction has 68547 states and 122601 transitions. [2020-12-23 08:44:41,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 68547 states and 122601 transitions. [2020-12-23 08:44:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:44:41,686 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:41,687 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:41,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:44:41,687 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:41,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:41,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1127897293, now seen corresponding path program 1 times [2020-12-23 08:44:41,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:41,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581213509] [2020-12-23 08:44:41,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:41,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:44:41,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581213509] [2020-12-23 08:44:41,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:41,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:44:41,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813807801] [2020-12-23 08:44:41,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:44:41,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:41,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:44:41,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:44:41,896 INFO L87 Difference]: Start difference. First operand 68547 states and 122601 transitions. Second operand 9 states. [2020-12-23 08:44:47,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:47,748 INFO L93 Difference]: Finished difference Result 138092 states and 246777 transitions. [2020-12-23 08:44:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:44:47,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-12-23 08:44:47,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:48,004 INFO L225 Difference]: With dead ends: 138092 [2020-12-23 08:44:48,004 INFO L226 Difference]: Without dead ends: 137926 [2020-12-23 08:44:48,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:44:48,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137926 states. [2020-12-23 08:44:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137926 to 136852. [2020-12-23 08:44:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136852 states. [2020-12-23 08:44:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136852 states to 136852 states and 244805 transitions. [2020-12-23 08:44:54,261 INFO L78 Accepts]: Start accepts. Automaton has 136852 states and 244805 transitions. Word has length 80 [2020-12-23 08:44:54,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:54,261 INFO L481 AbstractCegarLoop]: Abstraction has 136852 states and 244805 transitions. [2020-12-23 08:44:54,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:44:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 136852 states and 244805 transitions. [2020-12-23 08:44:54,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:44:54,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:54,280 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:54,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:44:54,280 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:54,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:54,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1615490488, now seen corresponding path program 1 times [2020-12-23 08:44:54,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:54,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480798594] [2020-12-23 08:44:54,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:44:54,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480798594] [2020-12-23 08:44:54,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:54,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:44:54,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195736842] [2020-12-23 08:44:54,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:44:54,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:54,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:44:54,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:44:54,368 INFO L87 Difference]: Start difference. First operand 136852 states and 244805 transitions. Second operand 6 states. [2020-12-23 08:44:59,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:59,261 INFO L93 Difference]: Finished difference Result 137174 states and 245323 transitions. [2020-12-23 08:44:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:44:59,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2020-12-23 08:44:59,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:59,518 INFO L225 Difference]: With dead ends: 137174 [2020-12-23 08:44:59,518 INFO L226 Difference]: Without dead ends: 136895 [2020-12-23 08:44:59,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:44:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136895 states. [2020-12-23 08:45:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136895 to 136840. [2020-12-23 08:45:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136840 states. [2020-12-23 08:45:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136840 states to 136840 states and 244778 transitions. [2020-12-23 08:45:05,841 INFO L78 Accepts]: Start accepts. Automaton has 136840 states and 244778 transitions. Word has length 81 [2020-12-23 08:45:05,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:05,842 INFO L481 AbstractCegarLoop]: Abstraction has 136840 states and 244778 transitions. [2020-12-23 08:45:05,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:45:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand 136840 states and 244778 transitions. [2020-12-23 08:45:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:45:05,862 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:05,862 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:05,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:45:05,863 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:05,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:05,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1841434190, now seen corresponding path program 1 times [2020-12-23 08:45:05,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:05,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367562425] [2020-12-23 08:45:05,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:45:05,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367562425] [2020-12-23 08:45:05,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:05,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:45:05,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099905683] [2020-12-23 08:45:06,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:45:06,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:06,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:45:06,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:45:06,001 INFO L87 Difference]: Start difference. First operand 136840 states and 244778 transitions. Second operand 9 states. [2020-12-23 08:45:11,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:11,541 INFO L93 Difference]: Finished difference Result 138258 states and 247023 transitions. [2020-12-23 08:45:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:45:11,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2020-12-23 08:45:11,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:11,893 INFO L225 Difference]: With dead ends: 138258 [2020-12-23 08:45:11,893 INFO L226 Difference]: Without dead ends: 138033 [2020-12-23 08:45:11,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:45:12,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138033 states. [2020-12-23 08:45:17,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138033 to 136912. [2020-12-23 08:45:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136912 states. [2020-12-23 08:45:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136912 states to 136912 states and 244891 transitions. [2020-12-23 08:45:17,949 INFO L78 Accepts]: Start accepts. Automaton has 136912 states and 244891 transitions. Word has length 81 [2020-12-23 08:45:17,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:17,950 INFO L481 AbstractCegarLoop]: Abstraction has 136912 states and 244891 transitions. [2020-12-23 08:45:17,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:45:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 136912 states and 244891 transitions. [2020-12-23 08:45:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:45:17,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:17,981 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:17,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:45:17,981 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:17,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:17,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1259089459, now seen corresponding path program 1 times [2020-12-23 08:45:17,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:17,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590508917] [2020-12-23 08:45:17,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:45:18,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590508917] [2020-12-23 08:45:18,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:18,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:45:18,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486840721] [2020-12-23 08:45:18,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:45:18,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:18,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:45:18,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:45:18,172 INFO L87 Difference]: Start difference. First operand 136912 states and 244891 transitions. Second operand 11 states. [2020-12-23 08:45:24,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:24,226 INFO L93 Difference]: Finished difference Result 138737 states and 247790 transitions. [2020-12-23 08:45:24,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 08:45:24,227 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-12-23 08:45:24,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:24,597 INFO L225 Difference]: With dead ends: 138737 [2020-12-23 08:45:24,597 INFO L226 Difference]: Without dead ends: 138490 [2020-12-23 08:45:24,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 08:45:24,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138490 states. [2020-12-23 08:45:30,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138490 to 136981. [2020-12-23 08:45:30,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136981 states. [2020-12-23 08:45:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136981 states to 136981 states and 245005 transitions. [2020-12-23 08:45:30,476 INFO L78 Accepts]: Start accepts. Automaton has 136981 states and 245005 transitions. Word has length 82 [2020-12-23 08:45:30,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:30,476 INFO L481 AbstractCegarLoop]: Abstraction has 136981 states and 245005 transitions. [2020-12-23 08:45:30,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:45:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 136981 states and 245005 transitions. [2020-12-23 08:45:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:45:30,491 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:30,491 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:30,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:45:30,492 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:30,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:30,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1520299277, now seen corresponding path program 1 times [2020-12-23 08:45:30,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:30,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11627298] [2020-12-23 08:45:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:45:30,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11627298] [2020-12-23 08:45:30,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:30,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:45:30,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152537679] [2020-12-23 08:45:30,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:45:30,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:30,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:45:30,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:45:30,592 INFO L87 Difference]: Start difference. First operand 136981 states and 245005 transitions. Second operand 7 states. [2020-12-23 08:45:35,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:35,353 INFO L93 Difference]: Finished difference Result 137515 states and 245850 transitions. [2020-12-23 08:45:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:45:35,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2020-12-23 08:45:35,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:35,585 INFO L225 Difference]: With dead ends: 137515 [2020-12-23 08:45:35,585 INFO L226 Difference]: Without dead ends: 137097 [2020-12-23 08:45:35,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:45:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137097 states. [2020-12-23 08:45:41,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137097 to 136924. [2020-12-23 08:45:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136924 states. [2020-12-23 08:45:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136924 states to 136924 states and 244905 transitions. [2020-12-23 08:45:41,979 INFO L78 Accepts]: Start accepts. Automaton has 136924 states and 244905 transitions. Word has length 82 [2020-12-23 08:45:41,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:41,979 INFO L481 AbstractCegarLoop]: Abstraction has 136924 states and 244905 transitions. [2020-12-23 08:45:41,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:45:41,979 INFO L276 IsEmpty]: Start isEmpty. Operand 136924 states and 244905 transitions. [2020-12-23 08:45:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:45:42,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:42,021 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:42,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:45:42,021 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:42,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:42,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1244496078, now seen corresponding path program 1 times [2020-12-23 08:45:42,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:42,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404578757] [2020-12-23 08:45:42,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:45:42,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404578757] [2020-12-23 08:45:42,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:42,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:45:42,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019816371] [2020-12-23 08:45:42,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:42,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:42,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:42,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:42,125 INFO L87 Difference]: Start difference. First operand 136924 states and 244905 transitions. Second operand 5 states. [2020-12-23 08:45:47,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:47,403 INFO L93 Difference]: Finished difference Result 138940 states and 248089 transitions. [2020-12-23 08:45:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:45:47,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-12-23 08:45:47,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:47,652 INFO L225 Difference]: With dead ends: 138940 [2020-12-23 08:45:47,652 INFO L226 Difference]: Without dead ends: 138684 [2020-12-23 08:45:47,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:45:47,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138684 states.