/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec0_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:41:07,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:41:07,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:41:07,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:41:07,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:41:07,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:41:07,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:41:07,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:41:07,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:41:07,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:41:07,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:41:07,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:41:07,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:41:07,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:41:07,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:41:07,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:41:07,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:41:07,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:41:07,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:41:07,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:41:07,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:41:07,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:41:07,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:41:07,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:41:07,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:41:07,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:41:07,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:41:07,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:41:07,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:41:07,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:41:07,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:41:07,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:41:07,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:41:07,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:41:07,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:41:07,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:41:07,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:41:07,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:41:07,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:41:07,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:41:07,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:41:07,288 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 08:41:07,347 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:41:07,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:41:07,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:41:07,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:41:07,350 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:41:07,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:41:07,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:41:07,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:41:07,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:41:07,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:41:07,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:41:07,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:41:07,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:41:07,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:41:07,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:41:07,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:41:07,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:41:07,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:41:07,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:41:07,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:41:07,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:41:07,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:41:07,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:41:07,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:41:07,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:41:07,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:41:07,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:41:07,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:41:07,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:41:07,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:41:07,804 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:41:07,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product31.cil.c [2020-12-23 08:41:07,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a7d4467ba/159de1b73e4b4d6ca78b48ca6f942fe9/FLAG1eda990b3 [2020-12-23 08:41:08,735 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:41:08,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product31.cil.c [2020-12-23 08:41:08,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a7d4467ba/159de1b73e4b4d6ca78b48ca6f942fe9/FLAG1eda990b3 [2020-12-23 08:41:08,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a7d4467ba/159de1b73e4b4d6ca78b48ca6f942fe9 [2020-12-23 08:41:08,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:41:08,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:41:08,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:41:08,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:41:08,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:41:08,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:41:08" (1/1) ... [2020-12-23 08:41:08,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258badc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:08, skipping insertion in model container [2020-12-23 08:41:08,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:41:08" (1/1) ... [2020-12-23 08:41:08,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:41:09,018 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] 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[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] [2020-12-23 08:41:09,635 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product31.cil.c[35608,35621] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~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_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~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_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:41:09,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:41:09,796 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] 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[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] [2020-12-23 08:41:09,933 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product31.cil.c[35608,35621] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~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_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~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_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:41:09,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:41:10,063 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:41:10,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10 WrapperNode [2020-12-23 08:41:10,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:41:10,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:41:10,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:41:10,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:41:10,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:41:10,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:41:10,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:41:10,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:41:10,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (1/1) ... [2020-12-23 08:41:10,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:41:10,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:41:10,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:41:10,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:41:10,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (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 08:41:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:41:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:41:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:41:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:41:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:41:13,190 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:41:13,190 INFO L299 CfgBuilder]: Removed 379 assume(true) statements. [2020-12-23 08:41:13,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:41:13 BoogieIcfgContainer [2020-12-23 08:41:13,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:41:13,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:41:13,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:41:13,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:41:13,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:41:08" (1/3) ... [2020-12-23 08:41:13,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5021dcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:41:13, skipping insertion in model container [2020-12-23 08:41:13,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:41:10" (2/3) ... [2020-12-23 08:41:13,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5021dcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:41:13, skipping insertion in model container [2020-12-23 08:41:13,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:41:13" (3/3) ... [2020-12-23 08:41:13,203 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product31.cil.c [2020-12-23 08:41:13,209 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:41:13,216 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:41:13,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:41:13,273 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:41:13,274 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:41:13,274 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:41:13,274 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:41:13,274 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:41:13,274 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:41:13,275 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:41:13,275 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:41:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states. [2020-12-23 08:41:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:41:13,319 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:13,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:13,320 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:13,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:13,327 INFO L82 PathProgramCache]: Analyzing trace with hash -479891960, now seen corresponding path program 1 times [2020-12-23 08:41:13,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:13,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870586252] [2020-12-23 08:41:13,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:13,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870586252] [2020-12-23 08:41:13,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:13,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:13,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382605042] [2020-12-23 08:41:13,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:13,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:13,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:13,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:13,822 INFO L87 Difference]: Start difference. First operand 563 states. Second operand 3 states. [2020-12-23 08:41:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:14,018 INFO L93 Difference]: Finished difference Result 1654 states and 2852 transitions. [2020-12-23 08:41:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:14,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 08:41:14,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:14,049 INFO L225 Difference]: With dead ends: 1654 [2020-12-23 08:41:14,050 INFO L226 Difference]: Without dead ends: 1028 [2020-12-23 08:41:14,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:14,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-12-23 08:41:14,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 523. [2020-12-23 08:41:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-12-23 08:41:14,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 901 transitions. [2020-12-23 08:41:14,194 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 901 transitions. Word has length 64 [2020-12-23 08:41:14,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:14,194 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 901 transitions. [2020-12-23 08:41:14,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 901 transitions. [2020-12-23 08:41:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:41:14,205 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:14,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:14,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:41:14,206 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:14,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:14,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1987805147, now seen corresponding path program 1 times [2020-12-23 08:41:14,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:14,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661966941] [2020-12-23 08:41:14,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:14,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661966941] [2020-12-23 08:41:14,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:14,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:41:14,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906606950] [2020-12-23 08:41:14,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:41:14,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:14,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:41:14,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:14,447 INFO L87 Difference]: Start difference. First operand 523 states and 901 transitions. Second operand 5 states. [2020-12-23 08:41:14,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:14,694 INFO L93 Difference]: Finished difference Result 1518 states and 2619 transitions. [2020-12-23 08:41:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:41:14,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-12-23 08:41:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:14,703 INFO L225 Difference]: With dead ends: 1518 [2020-12-23 08:41:14,703 INFO L226 Difference]: Without dead ends: 1014 [2020-12-23 08:41:14,710 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 08:41:14,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2020-12-23 08:41:14,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 523. [2020-12-23 08:41:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-12-23 08:41:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 900 transitions. [2020-12-23 08:41:14,743 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 900 transitions. Word has length 66 [2020-12-23 08:41:14,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:14,743 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 900 transitions. [2020-12-23 08:41:14,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:41:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 900 transitions. [2020-12-23 08:41:14,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:41:14,746 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:14,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:14,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:41:14,747 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:14,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:14,751 INFO L82 PathProgramCache]: Analyzing trace with hash -577383448, now seen corresponding path program 1 times [2020-12-23 08:41:14,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:14,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284242557] [2020-12-23 08:41:14,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:14,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:14,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284242557] [2020-12-23 08:41:14,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:14,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:14,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004594707] [2020-12-23 08:41:14,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:14,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:14,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:14,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:14,910 INFO L87 Difference]: Start difference. First operand 523 states and 900 transitions. Second operand 3 states. [2020-12-23 08:41:14,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:14,960 INFO L93 Difference]: Finished difference Result 1028 states and 1774 transitions. [2020-12-23 08:41:14,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:14,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:41:14,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:14,964 INFO L225 Difference]: With dead ends: 1028 [2020-12-23 08:41:14,965 INFO L226 Difference]: Without dead ends: 528 [2020-12-23 08:41:14,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-23 08:41:15,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 523. [2020-12-23 08:41:15,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-12-23 08:41:15,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 899 transitions. [2020-12-23 08:41:15,015 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 899 transitions. Word has length 67 [2020-12-23 08:41:15,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:15,023 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 899 transitions. [2020-12-23 08:41:15,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 899 transitions. [2020-12-23 08:41:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:41:15,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:15,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:15,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:41:15,027 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:15,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:15,027 INFO L82 PathProgramCache]: Analyzing trace with hash -844348626, now seen corresponding path program 1 times [2020-12-23 08:41:15,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:15,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58723845] [2020-12-23 08:41:15,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:15,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58723845] [2020-12-23 08:41:15,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:15,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:15,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779612365] [2020-12-23 08:41:15,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:15,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:15,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:15,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:15,173 INFO L87 Difference]: Start difference. First operand 523 states and 899 transitions. Second operand 3 states. [2020-12-23 08:41:15,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:15,227 INFO L93 Difference]: Finished difference Result 1038 states and 1787 transitions. [2020-12-23 08:41:15,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:15,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:41:15,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:15,230 INFO L225 Difference]: With dead ends: 1038 [2020-12-23 08:41:15,231 INFO L226 Difference]: Without dead ends: 523 [2020-12-23 08:41:15,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-12-23 08:41:15,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2020-12-23 08:41:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-12-23 08:41:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 897 transitions. [2020-12-23 08:41:15,253 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 897 transitions. Word has length 68 [2020-12-23 08:41:15,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:15,255 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 897 transitions. [2020-12-23 08:41:15,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 897 transitions. [2020-12-23 08:41:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:41:15,256 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:15,257 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] [2020-12-23 08:41:15,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:41:15,257 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:15,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:15,258 INFO L82 PathProgramCache]: Analyzing trace with hash -979451773, now seen corresponding path program 1 times [2020-12-23 08:41:15,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:15,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884149565] [2020-12-23 08:41:15,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:15,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884149565] [2020-12-23 08:41:15,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:15,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:41:15,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283034409] [2020-12-23 08:41:15,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:41:15,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:15,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:41:15,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:15,367 INFO L87 Difference]: Start difference. First operand 523 states and 897 transitions. Second operand 5 states. [2020-12-23 08:41:15,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:15,600 INFO L93 Difference]: Finished difference Result 1508 states and 2599 transitions. [2020-12-23 08:41:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:41:15,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-12-23 08:41:15,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:15,609 INFO L225 Difference]: With dead ends: 1508 [2020-12-23 08:41:15,610 INFO L226 Difference]: Without dead ends: 1012 [2020-12-23 08:41:15,611 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 08:41:15,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2020-12-23 08:41:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 523. [2020-12-23 08:41:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-12-23 08:41:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 896 transitions. [2020-12-23 08:41:15,650 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 896 transitions. Word has length 69 [2020-12-23 08:41:15,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:15,651 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 896 transitions. [2020-12-23 08:41:15,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:41:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 896 transitions. [2020-12-23 08:41:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:41:15,653 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:15,653 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] [2020-12-23 08:41:15,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:41:15,654 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:15,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:15,655 INFO L82 PathProgramCache]: Analyzing trace with hash -828244890, now seen corresponding path program 1 times [2020-12-23 08:41:15,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:15,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230996446] [2020-12-23 08:41:15,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:15,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230996446] [2020-12-23 08:41:15,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:15,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:41:15,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357548369] [2020-12-23 08:41:15,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:41:15,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:15,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:41:15,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:15,900 INFO L87 Difference]: Start difference. First operand 523 states and 896 transitions. Second operand 5 states. [2020-12-23 08:41:16,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:16,175 INFO L93 Difference]: Finished difference Result 1513 states and 2604 transitions. [2020-12-23 08:41:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:41:16,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-12-23 08:41:16,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:16,182 INFO L225 Difference]: With dead ends: 1513 [2020-12-23 08:41:16,182 INFO L226 Difference]: Without dead ends: 1017 [2020-12-23 08:41:16,183 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 08:41:16,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-12-23 08:41:16,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 523. [2020-12-23 08:41:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-12-23 08:41:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 895 transitions. [2020-12-23 08:41:16,219 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 895 transitions. Word has length 70 [2020-12-23 08:41:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:16,220 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 895 transitions. [2020-12-23 08:41:16,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:41:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 895 transitions. [2020-12-23 08:41:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:41:16,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:16,222 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] [2020-12-23 08:41:16,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:41:16,222 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:16,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1638499458, now seen corresponding path program 1 times [2020-12-23 08:41:16,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:16,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423362776] [2020-12-23 08:41:16,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:16,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423362776] [2020-12-23 08:41:16,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:16,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:16,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402067711] [2020-12-23 08:41:16,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:16,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:16,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:16,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:16,345 INFO L87 Difference]: Start difference. First operand 523 states and 895 transitions. Second operand 3 states. [2020-12-23 08:41:16,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:16,394 INFO L93 Difference]: Finished difference Result 808 states and 1366 transitions. [2020-12-23 08:41:16,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:16,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:41:16,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:16,398 INFO L225 Difference]: With dead ends: 808 [2020-12-23 08:41:16,399 INFO L226 Difference]: Without dead ends: 526 [2020-12-23 08:41:16,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:16,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-12-23 08:41:16,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 525. [2020-12-23 08:41:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-12-23 08:41:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 897 transitions. [2020-12-23 08:41:16,436 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 897 transitions. Word has length 71 [2020-12-23 08:41:16,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:16,438 INFO L481 AbstractCegarLoop]: Abstraction has 525 states and 897 transitions. [2020-12-23 08:41:16,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 897 transitions. [2020-12-23 08:41:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:41:16,446 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:16,446 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:16,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:41:16,446 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:16,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:16,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1917923964, now seen corresponding path program 1 times [2020-12-23 08:41:16,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:16,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232454348] [2020-12-23 08:41:16,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:16,522 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 08:41:16,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232454348] [2020-12-23 08:41:16,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:16,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:16,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940943189] [2020-12-23 08:41:16,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:16,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:16,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:16,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:16,525 INFO L87 Difference]: Start difference. First operand 525 states and 897 transitions. Second operand 3 states. [2020-12-23 08:41:16,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:16,636 INFO L93 Difference]: Finished difference Result 1461 states and 2515 transitions. [2020-12-23 08:41:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:16,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:41:16,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:16,642 INFO L225 Difference]: With dead ends: 1461 [2020-12-23 08:41:16,642 INFO L226 Difference]: Without dead ends: 967 [2020-12-23 08:41:16,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:16,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2020-12-23 08:41:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 685. [2020-12-23 08:41:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-12-23 08:41:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1190 transitions. [2020-12-23 08:41:16,705 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1190 transitions. Word has length 77 [2020-12-23 08:41:16,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:16,705 INFO L481 AbstractCegarLoop]: Abstraction has 685 states and 1190 transitions. [2020-12-23 08:41:16,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1190 transitions. [2020-12-23 08:41:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:41:16,707 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:16,708 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:16,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:41:16,710 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:16,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:16,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1641309157, now seen corresponding path program 1 times [2020-12-23 08:41:16,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:16,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409416316] [2020-12-23 08:41:16,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:16,809 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 08:41:16,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409416316] [2020-12-23 08:41:16,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249619237] [2020-12-23 08:41:16,814 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 08:41:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:17,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:41:17,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:41:17,385 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 08:41:17,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:41:17,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:41:17,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007610811] [2020-12-23 08:41:17,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:41:17,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:17,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:41:17,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:17,387 INFO L87 Difference]: Start difference. First operand 685 states and 1190 transitions. Second operand 5 states. [2020-12-23 08:41:17,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:17,491 INFO L93 Difference]: Finished difference Result 1465 states and 2518 transitions. [2020-12-23 08:41:17,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:41:17,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-12-23 08:41:17,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:17,498 INFO L225 Difference]: With dead ends: 1465 [2020-12-23 08:41:17,499 INFO L226 Difference]: Without dead ends: 1183 [2020-12-23 08:41:17,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:17,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-12-23 08:41:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 899. [2020-12-23 08:41:17,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2020-12-23 08:41:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1580 transitions. [2020-12-23 08:41:17,576 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1580 transitions. Word has length 78 [2020-12-23 08:41:17,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:17,577 INFO L481 AbstractCegarLoop]: Abstraction has 899 states and 1580 transitions. [2020-12-23 08:41:17,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:41:17,577 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1580 transitions. [2020-12-23 08:41:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:41:17,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:17,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:17,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:41:17,793 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:17,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:17,794 INFO L82 PathProgramCache]: Analyzing trace with hash -214264786, now seen corresponding path program 1 times [2020-12-23 08:41:17,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:17,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431643031] [2020-12-23 08:41:17,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:17,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431643031] [2020-12-23 08:41:17,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:17,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:17,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961910347] [2020-12-23 08:41:17,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:17,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:17,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:17,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:17,867 INFO L87 Difference]: Start difference. First operand 899 states and 1580 transitions. Second operand 3 states. [2020-12-23 08:41:17,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:17,974 INFO L93 Difference]: Finished difference Result 2363 states and 4164 transitions. [2020-12-23 08:41:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:17,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 08:41:17,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:17,984 INFO L225 Difference]: With dead ends: 2363 [2020-12-23 08:41:17,984 INFO L226 Difference]: Without dead ends: 1553 [2020-12-23 08:41:17,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:17,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2020-12-23 08:41:18,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1271. [2020-12-23 08:41:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2020-12-23 08:41:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 2258 transitions. [2020-12-23 08:41:18,082 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 2258 transitions. Word has length 84 [2020-12-23 08:41:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:18,083 INFO L481 AbstractCegarLoop]: Abstraction has 1271 states and 2258 transitions. [2020-12-23 08:41:18,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 2258 transitions. [2020-12-23 08:41:18,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:41:18,086 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:18,086 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:18,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:41:18,086 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:18,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:18,087 INFO L82 PathProgramCache]: Analyzing trace with hash -278200098, now seen corresponding path program 2 times [2020-12-23 08:41:18,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:18,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418225357] [2020-12-23 08:41:18,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:18,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418225357] [2020-12-23 08:41:18,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:18,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:41:18,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57728312] [2020-12-23 08:41:18,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:41:18,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:18,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:41:18,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:18,212 INFO L87 Difference]: Start difference. First operand 1271 states and 2258 transitions. Second operand 5 states. [2020-12-23 08:41:18,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:18,360 INFO L93 Difference]: Finished difference Result 2577 states and 4552 transitions. [2020-12-23 08:41:18,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:41:18,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-23 08:41:18,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:18,371 INFO L225 Difference]: With dead ends: 2577 [2020-12-23 08:41:18,371 INFO L226 Difference]: Without dead ends: 1553 [2020-12-23 08:41:18,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:41:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2020-12-23 08:41:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1271. [2020-12-23 08:41:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2020-12-23 08:41:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 2256 transitions. [2020-12-23 08:41:18,471 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 2256 transitions. Word has length 85 [2020-12-23 08:41:18,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:18,472 INFO L481 AbstractCegarLoop]: Abstraction has 1271 states and 2256 transitions. [2020-12-23 08:41:18,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:41:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 2256 transitions. [2020-12-23 08:41:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:41:18,475 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:18,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:18,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:41:18,476 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:18,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:18,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1917511421, now seen corresponding path program 1 times [2020-12-23 08:41:18,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:18,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993743692] [2020-12-23 08:41:18,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:18,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993743692] [2020-12-23 08:41:18,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:18,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:18,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573058351] [2020-12-23 08:41:18,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:18,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:18,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:18,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:18,567 INFO L87 Difference]: Start difference. First operand 1271 states and 2256 transitions. Second operand 3 states. [2020-12-23 08:41:18,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:18,744 INFO L93 Difference]: Finished difference Result 3451 states and 6147 transitions. [2020-12-23 08:41:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:18,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-23 08:41:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:18,758 INFO L225 Difference]: With dead ends: 3451 [2020-12-23 08:41:18,759 INFO L226 Difference]: Without dead ends: 2277 [2020-12-23 08:41:18,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:18,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2020-12-23 08:41:18,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 1995. [2020-12-23 08:41:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1995 states. [2020-12-23 08:41:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 3575 transitions. [2020-12-23 08:41:18,925 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 3575 transitions. Word has length 85 [2020-12-23 08:41:18,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:18,926 INFO L481 AbstractCegarLoop]: Abstraction has 1995 states and 3575 transitions. [2020-12-23 08:41:18,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 3575 transitions. [2020-12-23 08:41:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:41:18,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:18,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:18,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:41:18,932 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:18,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:18,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1309450768, now seen corresponding path program 1 times [2020-12-23 08:41:18,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:18,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224367335] [2020-12-23 08:41:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:19,019 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 08:41:19,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224367335] [2020-12-23 08:41:19,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:19,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:19,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992582733] [2020-12-23 08:41:19,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:19,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:19,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:19,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:19,027 INFO L87 Difference]: Start difference. First operand 1995 states and 3575 transitions. Second operand 3 states. [2020-12-23 08:41:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:19,260 INFO L93 Difference]: Finished difference Result 5359 states and 9623 transitions. [2020-12-23 08:41:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:19,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-23 08:41:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:19,281 INFO L225 Difference]: With dead ends: 5359 [2020-12-23 08:41:19,282 INFO L226 Difference]: Without dead ends: 3495 [2020-12-23 08:41:19,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:19,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3495 states. [2020-12-23 08:41:19,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3495 to 3213. [2020-12-23 08:41:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2020-12-23 08:41:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5788 transitions. [2020-12-23 08:41:19,528 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 5788 transitions. Word has length 86 [2020-12-23 08:41:19,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:19,528 INFO L481 AbstractCegarLoop]: Abstraction has 3213 states and 5788 transitions. [2020-12-23 08:41:19,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 5788 transitions. [2020-12-23 08:41:19,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:41:19,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:19,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:19,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:41:19,539 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:19,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:19,540 INFO L82 PathProgramCache]: Analyzing trace with hash -766565106, now seen corresponding path program 1 times [2020-12-23 08:41:19,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:19,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44645946] [2020-12-23 08:41:19,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:19,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44645946] [2020-12-23 08:41:19,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:19,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:19,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819094797] [2020-12-23 08:41:19,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:19,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:19,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:19,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:19,617 INFO L87 Difference]: Start difference. First operand 3213 states and 5788 transitions. Second operand 3 states. [2020-12-23 08:41:20,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:20,004 INFO L93 Difference]: Finished difference Result 8729 states and 15745 transitions. [2020-12-23 08:41:20,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:20,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-12-23 08:41:20,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:20,079 INFO L225 Difference]: With dead ends: 8729 [2020-12-23 08:41:20,080 INFO L226 Difference]: Without dead ends: 5681 [2020-12-23 08:41:20,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:20,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5681 states. [2020-12-23 08:41:20,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5681 to 5399. [2020-12-23 08:41:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5399 states. [2020-12-23 08:41:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 9749 transitions. [2020-12-23 08:41:20,599 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 9749 transitions. Word has length 87 [2020-12-23 08:41:20,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:20,600 INFO L481 AbstractCegarLoop]: Abstraction has 5399 states and 9749 transitions. [2020-12-23 08:41:20,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 9749 transitions. [2020-12-23 08:41:20,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:41:20,609 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:20,610 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:20,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:41:20,610 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:20,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:20,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1025364942, now seen corresponding path program 1 times [2020-12-23 08:41:20,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:20,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247572142] [2020-12-23 08:41:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:41:20,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247572142] [2020-12-23 08:41:20,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:20,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:41:20,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023723301] [2020-12-23 08:41:20,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:41:20,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:20,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:41:20,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:20,715 INFO L87 Difference]: Start difference. First operand 5399 states and 9749 transitions. Second operand 5 states. [2020-12-23 08:41:21,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:21,646 INFO L93 Difference]: Finished difference Result 15416 states and 27864 transitions. [2020-12-23 08:41:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:41:21,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-12-23 08:41:21,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:21,684 INFO L225 Difference]: With dead ends: 15416 [2020-12-23 08:41:21,685 INFO L226 Difference]: Without dead ends: 10264 [2020-12-23 08:41:21,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:41:21,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10264 states. [2020-12-23 08:41:22,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10264 to 5399. [2020-12-23 08:41:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5399 states. [2020-12-23 08:41:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 9699 transitions. [2020-12-23 08:41:22,216 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 9699 transitions. Word has length 88 [2020-12-23 08:41:22,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:22,216 INFO L481 AbstractCegarLoop]: Abstraction has 5399 states and 9699 transitions. [2020-12-23 08:41:22,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:41:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 9699 transitions. [2020-12-23 08:41:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:41:22,226 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:22,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:22,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:41:22,226 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:22,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:22,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1427375583, now seen corresponding path program 1 times [2020-12-23 08:41:22,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:22,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817121516] [2020-12-23 08:41:22,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:22,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817121516] [2020-12-23 08:41:22,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:22,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:22,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308651508] [2020-12-23 08:41:22,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:22,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:22,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:22,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:22,308 INFO L87 Difference]: Start difference. First operand 5399 states and 9699 transitions. Second operand 3 states. [2020-12-23 08:41:22,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:22,925 INFO L93 Difference]: Finished difference Result 15613 states and 28092 transitions. [2020-12-23 08:41:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:22,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-12-23 08:41:22,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:22,955 INFO L225 Difference]: With dead ends: 15613 [2020-12-23 08:41:22,955 INFO L226 Difference]: Without dead ends: 10387 [2020-12-23 08:41:22,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:22,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10387 states. [2020-12-23 08:41:23,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10387 to 10105. [2020-12-23 08:41:23,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10105 states. [2020-12-23 08:41:23,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10105 states to 10105 states and 18180 transitions. [2020-12-23 08:41:23,686 INFO L78 Accepts]: Start accepts. Automaton has 10105 states and 18180 transitions. Word has length 88 [2020-12-23 08:41:23,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:23,687 INFO L481 AbstractCegarLoop]: Abstraction has 10105 states and 18180 transitions. [2020-12-23 08:41:23,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 10105 states and 18180 transitions. [2020-12-23 08:41:23,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:41:23,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:23,705 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:23,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:41:23,705 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:23,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:23,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1353862445, now seen corresponding path program 1 times [2020-12-23 08:41:23,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:23,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308760680] [2020-12-23 08:41:23,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:23,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308760680] [2020-12-23 08:41:23,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:23,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:41:23,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156041656] [2020-12-23 08:41:23,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:41:23,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:23,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:41:23,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:41:23,998 INFO L87 Difference]: Start difference. First operand 10105 states and 18180 transitions. Second operand 9 states. [2020-12-23 08:41:26,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:26,623 INFO L93 Difference]: Finished difference Result 21737 states and 38820 transitions. [2020-12-23 08:41:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:41:26,623 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-12-23 08:41:26,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:26,690 INFO L225 Difference]: With dead ends: 21737 [2020-12-23 08:41:26,691 INFO L226 Difference]: Without dead ends: 21486 [2020-12-23 08:41:26,698 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 08:41:26,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21486 states. [2020-12-23 08:41:27,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21486 to 19937. [2020-12-23 08:41:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19937 states. [2020-12-23 08:41:27,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19937 states to 19937 states and 35903 transitions. [2020-12-23 08:41:27,986 INFO L78 Accepts]: Start accepts. Automaton has 19937 states and 35903 transitions. Word has length 89 [2020-12-23 08:41:27,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:27,987 INFO L481 AbstractCegarLoop]: Abstraction has 19937 states and 35903 transitions. [2020-12-23 08:41:27,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:41:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 19937 states and 35903 transitions. [2020-12-23 08:41:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:41:28,016 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:28,016 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:28,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:41:28,016 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:28,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:28,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1323403462, now seen corresponding path program 1 times [2020-12-23 08:41:28,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:28,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543321419] [2020-12-23 08:41:28,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:28,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543321419] [2020-12-23 08:41:28,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:28,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:41:28,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922672177] [2020-12-23 08:41:28,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:41:28,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:28,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:41:28,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:41:28,137 INFO L87 Difference]: Start difference. First operand 19937 states and 35903 transitions. Second operand 7 states. [2020-12-23 08:41:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:29,223 INFO L93 Difference]: Finished difference Result 20585 states and 36950 transitions. [2020-12-23 08:41:29,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:41:29,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-12-23 08:41:29,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:29,281 INFO L225 Difference]: With dead ends: 20585 [2020-12-23 08:41:29,282 INFO L226 Difference]: Without dead ends: 20175 [2020-12-23 08:41:29,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:41:29,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20175 states. [2020-12-23 08:41:30,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20175 to 19925. [2020-12-23 08:41:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19925 states. [2020-12-23 08:41:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19925 states to 19925 states and 35876 transitions. [2020-12-23 08:41:30,732 INFO L78 Accepts]: Start accepts. Automaton has 19925 states and 35876 transitions. Word has length 90 [2020-12-23 08:41:30,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:30,732 INFO L481 AbstractCegarLoop]: Abstraction has 19925 states and 35876 transitions. [2020-12-23 08:41:30,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:41:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 19925 states and 35876 transitions. [2020-12-23 08:41:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:41:30,768 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:30,768 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:30,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:41:30,769 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:30,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:30,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1972259938, now seen corresponding path program 1 times [2020-12-23 08:41:30,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:30,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117352042] [2020-12-23 08:41:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:30,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117352042] [2020-12-23 08:41:30,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:30,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:41:30,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840194970] [2020-12-23 08:41:30,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:41:30,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:30,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:41:30,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:41:30,911 INFO L87 Difference]: Start difference. First operand 19925 states and 35876 transitions. Second operand 9 states. [2020-12-23 08:41:33,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:33,385 INFO L93 Difference]: Finished difference Result 41895 states and 75038 transitions. [2020-12-23 08:41:33,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 08:41:33,385 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-12-23 08:41:33,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:33,485 INFO L225 Difference]: With dead ends: 41895 [2020-12-23 08:41:33,485 INFO L226 Difference]: Without dead ends: 41497 [2020-12-23 08:41:33,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-12-23 08:41:33,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41497 states. [2020-12-23 08:41:36,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41497 to 39599. [2020-12-23 08:41:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39599 states. [2020-12-23 08:41:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39599 states to 39599 states and 71327 transitions. [2020-12-23 08:41:36,219 INFO L78 Accepts]: Start accepts. Automaton has 39599 states and 71327 transitions. Word has length 90 [2020-12-23 08:41:36,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:36,219 INFO L481 AbstractCegarLoop]: Abstraction has 39599 states and 71327 transitions. [2020-12-23 08:41:36,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:41:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 39599 states and 71327 transitions. [2020-12-23 08:41:36,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:41:36,273 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:36,274 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:36,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:41:36,274 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:36,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:36,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1697500324, now seen corresponding path program 1 times [2020-12-23 08:41:36,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:36,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503061284] [2020-12-23 08:41:36,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:36,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503061284] [2020-12-23 08:41:36,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:36,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:41:36,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369362496] [2020-12-23 08:41:36,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:41:36,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:36,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:41:36,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:41:36,402 INFO L87 Difference]: Start difference. First operand 39599 states and 71327 transitions. Second operand 9 states. [2020-12-23 08:41:39,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:39,185 INFO L93 Difference]: Finished difference Result 43454 states and 77535 transitions. [2020-12-23 08:41:39,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:41:39,186 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-12-23 08:41:39,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:39,273 INFO L225 Difference]: With dead ends: 43454 [2020-12-23 08:41:39,273 INFO L226 Difference]: Without dead ends: 42783 [2020-12-23 08:41:39,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:41:39,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42783 states. [2020-12-23 08:41:40,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42783 to 39762. [2020-12-23 08:41:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39762 states. [2020-12-23 08:41:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39762 states to 39762 states and 71577 transitions. [2020-12-23 08:41:41,044 INFO L78 Accepts]: Start accepts. Automaton has 39762 states and 71577 transitions. Word has length 90 [2020-12-23 08:41:41,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:41,044 INFO L481 AbstractCegarLoop]: Abstraction has 39762 states and 71577 transitions. [2020-12-23 08:41:41,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:41:41,044 INFO L276 IsEmpty]: Start isEmpty. Operand 39762 states and 71577 transitions. [2020-12-23 08:41:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:41:41,066 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:41,066 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:41,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:41:41,067 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:41,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:41,067 INFO L82 PathProgramCache]: Analyzing trace with hash 101383149, now seen corresponding path program 1 times [2020-12-23 08:41:41,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:41,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208247629] [2020-12-23 08:41:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:41,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208247629] [2020-12-23 08:41:41,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:41,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:41:41,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384542980] [2020-12-23 08:41:41,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:41:41,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:41,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:41:41,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:41,160 INFO L87 Difference]: Start difference. First operand 39762 states and 71577 transitions. Second operand 5 states. [2020-12-23 08:41:43,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:43,686 INFO L93 Difference]: Finished difference Result 44722 states and 79537 transitions. [2020-12-23 08:41:43,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:41:43,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-12-23 08:41:43,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:43,752 INFO L225 Difference]: With dead ends: 44722 [2020-12-23 08:41:43,752 INFO L226 Difference]: Without dead ends: 44018 [2020-12-23 08:41:43,763 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 08:41:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44018 states. [2020-12-23 08:41:45,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44018 to 40730. [2020-12-23 08:41:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40730 states. [2020-12-23 08:41:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40730 states to 40730 states and 73108 transitions. [2020-12-23 08:41:45,844 INFO L78 Accepts]: Start accepts. Automaton has 40730 states and 73108 transitions. Word has length 91 [2020-12-23 08:41:45,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:45,844 INFO L481 AbstractCegarLoop]: Abstraction has 40730 states and 73108 transitions. [2020-12-23 08:41:45,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:41:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 40730 states and 73108 transitions. [2020-12-23 08:41:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:41:45,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:45,878 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:45,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:41:45,879 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:45,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:45,879 INFO L82 PathProgramCache]: Analyzing trace with hash -495806832, now seen corresponding path program 1 times [2020-12-23 08:41:45,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:45,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146221177] [2020-12-23 08:41:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:46,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146221177] [2020-12-23 08:41:46,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:46,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:41:46,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250772054] [2020-12-23 08:41:46,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:41:46,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:46,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:41:46,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:41:46,039 INFO L87 Difference]: Start difference. First operand 40730 states and 73108 transitions. Second operand 10 states. [2020-12-23 08:41:48,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:48,247 INFO L93 Difference]: Finished difference Result 43299 states and 77140 transitions. [2020-12-23 08:41:48,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 08:41:48,248 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-12-23 08:41:48,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:48,305 INFO L225 Difference]: With dead ends: 43299 [2020-12-23 08:41:48,305 INFO L226 Difference]: Without dead ends: 41617 [2020-12-23 08:41:48,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2020-12-23 08:41:48,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41617 states. [2020-12-23 08:41:50,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41617 to 40690. [2020-12-23 08:41:50,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40690 states. [2020-12-23 08:41:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40690 states to 40690 states and 73023 transitions. [2020-12-23 08:41:50,190 INFO L78 Accepts]: Start accepts. Automaton has 40690 states and 73023 transitions. Word has length 93 [2020-12-23 08:41:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:50,190 INFO L481 AbstractCegarLoop]: Abstraction has 40690 states and 73023 transitions. [2020-12-23 08:41:50,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:41:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 40690 states and 73023 transitions. [2020-12-23 08:41:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:41:50,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:50,230 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:50,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:41:50,230 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:50,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:50,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1666798453, now seen corresponding path program 1 times [2020-12-23 08:41:50,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:50,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993012951] [2020-12-23 08:41:50,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:50,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993012951] [2020-12-23 08:41:50,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:50,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:41:50,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475487206] [2020-12-23 08:41:50,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:41:50,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:50,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:41:50,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:41:50,341 INFO L87 Difference]: Start difference. First operand 40690 states and 73023 transitions. Second operand 7 states. [2020-12-23 08:41:52,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:52,753 INFO L93 Difference]: Finished difference Result 44744 states and 79363 transitions. [2020-12-23 08:41:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:41:52,754 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-12-23 08:41:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:52,810 INFO L225 Difference]: With dead ends: 44744 [2020-12-23 08:41:52,810 INFO L226 Difference]: Without dead ends: 43592 [2020-12-23 08:41:52,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:41:52,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43592 states. [2020-12-23 08:41:54,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43592 to 40704. [2020-12-23 08:41:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40704 states. [2020-12-23 08:41:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40704 states to 40704 states and 73032 transitions. [2020-12-23 08:41:54,778 INFO L78 Accepts]: Start accepts. Automaton has 40704 states and 73032 transitions. Word has length 93 [2020-12-23 08:41:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:54,778 INFO L481 AbstractCegarLoop]: Abstraction has 40704 states and 73032 transitions. [2020-12-23 08:41:54,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:41:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 40704 states and 73032 transitions. [2020-12-23 08:41:54,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:41:54,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:54,814 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:54,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:41:54,814 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:54,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:54,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1595204760, now seen corresponding path program 1 times [2020-12-23 08:41:54,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:54,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398130208] [2020-12-23 08:41:54,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:54,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398130208] [2020-12-23 08:41:54,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:54,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:41:54,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192446653] [2020-12-23 08:41:54,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:41:54,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:54,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:41:54,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:41:54,891 INFO L87 Difference]: Start difference. First operand 40704 states and 73032 transitions. Second operand 4 states. [2020-12-23 08:41:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:57,554 INFO L93 Difference]: Finished difference Result 46691 states and 82364 transitions. [2020-12-23 08:41:57,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:41:57,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2020-12-23 08:41:57,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:57,623 INFO L225 Difference]: With dead ends: 46691 [2020-12-23 08:41:57,624 INFO L226 Difference]: Without dead ends: 44820 [2020-12-23 08:41:57,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:41:57,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44820 states. [2020-12-23 08:41:59,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44820 to 40722. [2020-12-23 08:41:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40722 states. [2020-12-23 08:41:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40722 states to 40722 states and 73050 transitions. [2020-12-23 08:41:59,650 INFO L78 Accepts]: Start accepts. Automaton has 40722 states and 73050 transitions. Word has length 94 [2020-12-23 08:41:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:59,650 INFO L481 AbstractCegarLoop]: Abstraction has 40722 states and 73050 transitions. [2020-12-23 08:41:59,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:41:59,654 INFO L276 IsEmpty]: Start isEmpty. Operand 40722 states and 73050 transitions. [2020-12-23 08:41:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:41:59,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:59,685 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:59,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:41:59,685 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:59,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:59,686 INFO L82 PathProgramCache]: Analyzing trace with hash 153849001, now seen corresponding path program 1 times [2020-12-23 08:41:59,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:59,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221926650] [2020-12-23 08:41:59,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:41:59,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221926650] [2020-12-23 08:41:59,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:59,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:41:59,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091910039] [2020-12-23 08:41:59,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:41:59,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:59,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:41:59,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:41:59,764 INFO L87 Difference]: Start difference. First operand 40722 states and 73050 transitions. Second operand 6 states. [2020-12-23 08:42:01,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:01,878 INFO L93 Difference]: Finished difference Result 44235 states and 78572 transitions. [2020-12-23 08:42:01,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:42:01,878 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-12-23 08:42:01,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:01,935 INFO L225 Difference]: With dead ends: 44235 [2020-12-23 08:42:01,935 INFO L226 Difference]: Without dead ends: 42311 [2020-12-23 08:42:01,947 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 08:42:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42311 states. [2020-12-23 08:42:03,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42311 to 40669. [2020-12-23 08:42:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40669 states. [2020-12-23 08:42:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40669 states to 40669 states and 72958 transitions. [2020-12-23 08:42:03,721 INFO L78 Accepts]: Start accepts. Automaton has 40669 states and 72958 transitions. Word has length 94 [2020-12-23 08:42:03,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:03,721 INFO L481 AbstractCegarLoop]: Abstraction has 40669 states and 72958 transitions. [2020-12-23 08:42:03,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:42:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 40669 states and 72958 transitions. [2020-12-23 08:42:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:42:03,752 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:03,752 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:03,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:42:03,753 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:03,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:03,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1993512187, now seen corresponding path program 1 times [2020-12-23 08:42:03,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:03,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327813746] [2020-12-23 08:42:03,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:42:03,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327813746] [2020-12-23 08:42:03,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:03,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:42:03,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882887258] [2020-12-23 08:42:03,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:42:03,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:03,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:42:03,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:42:03,815 INFO L87 Difference]: Start difference. First operand 40669 states and 72958 transitions. Second operand 4 states. [2020-12-23 08:42:05,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:05,682 INFO L93 Difference]: Finished difference Result 41898 states and 74896 transitions. [2020-12-23 08:42:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:42:05,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2020-12-23 08:42:05,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:05,737 INFO L225 Difference]: With dead ends: 41898 [2020-12-23 08:42:05,738 INFO L226 Difference]: Without dead ends: 40860 [2020-12-23 08:42:05,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:05,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40860 states. [2020-12-23 08:42:07,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40860 to 40486. [2020-12-23 08:42:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40486 states. [2020-12-23 08:42:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40486 states to 40486 states and 72656 transitions. [2020-12-23 08:42:07,628 INFO L78 Accepts]: Start accepts. Automaton has 40486 states and 72656 transitions. Word has length 94 [2020-12-23 08:42:07,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:07,628 INFO L481 AbstractCegarLoop]: Abstraction has 40486 states and 72656 transitions. [2020-12-23 08:42:07,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:42:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 40486 states and 72656 transitions. [2020-12-23 08:42:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:42:07,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:07,673 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:07,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:42:07,673 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:07,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:07,674 INFO L82 PathProgramCache]: Analyzing trace with hash 958513365, now seen corresponding path program 1 times [2020-12-23 08:42:07,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:07,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960490659] [2020-12-23 08:42:07,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:07,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:42:07,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960490659] [2020-12-23 08:42:07,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:07,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 08:42:07,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721366724] [2020-12-23 08:42:07,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:42:07,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:07,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:42:07,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:42:07,855 INFO L87 Difference]: Start difference. First operand 40486 states and 72656 transitions. Second operand 12 states. [2020-12-23 08:42:12,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:12,317 INFO L93 Difference]: Finished difference Result 48996 states and 86027 transitions. [2020-12-23 08:42:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-12-23 08:42:12,318 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-12-23 08:42:12,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:12,375 INFO L225 Difference]: With dead ends: 48996 [2020-12-23 08:42:12,375 INFO L226 Difference]: Without dead ends: 47888 [2020-12-23 08:42:12,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=675, Invalid=2081, Unknown=0, NotChecked=0, Total=2756 [2020-12-23 08:42:12,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47888 states. [2020-12-23 08:42:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47888 to 41060. [2020-12-23 08:42:14,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41060 states. [2020-12-23 08:42:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41060 states to 41060 states and 73589 transitions. [2020-12-23 08:42:14,360 INFO L78 Accepts]: Start accepts. Automaton has 41060 states and 73589 transitions. Word has length 96 [2020-12-23 08:42:14,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:14,360 INFO L481 AbstractCegarLoop]: Abstraction has 41060 states and 73589 transitions. [2020-12-23 08:42:14,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:42:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 41060 states and 73589 transitions. [2020-12-23 08:42:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:42:14,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:14,397 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:14,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:42:14,398 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:14,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:14,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1030681233, now seen corresponding path program 1 times [2020-12-23 08:42:14,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:14,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058035975] [2020-12-23 08:42:14,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:14,525 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:42:14,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058035975] [2020-12-23 08:42:14,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:14,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:42:14,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151540547] [2020-12-23 08:42:14,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:42:14,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:14,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:42:14,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:42:14,527 INFO L87 Difference]: Start difference. First operand 41060 states and 73589 transitions. Second operand 8 states. [2020-12-23 08:42:16,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:16,626 INFO L93 Difference]: Finished difference Result 43694 states and 77707 transitions. [2020-12-23 08:42:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:42:16,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-12-23 08:42:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:16,685 INFO L225 Difference]: With dead ends: 43694 [2020-12-23 08:42:16,685 INFO L226 Difference]: Without dead ends: 41513 [2020-12-23 08:42:16,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2020-12-23 08:42:16,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41513 states. [2020-12-23 08:42:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41513 to 40591. [2020-12-23 08:42:18,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40591 states. [2020-12-23 08:42:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40591 states to 40591 states and 72814 transitions. [2020-12-23 08:42:18,656 INFO L78 Accepts]: Start accepts. Automaton has 40591 states and 72814 transitions. Word has length 96 [2020-12-23 08:42:18,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:18,657 INFO L481 AbstractCegarLoop]: Abstraction has 40591 states and 72814 transitions. [2020-12-23 08:42:18,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:42:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 40591 states and 72814 transitions. [2020-12-23 08:42:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:42:18,692 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:18,692 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:18,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:42:18,693 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:18,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1871565593, now seen corresponding path program 1 times [2020-12-23 08:42:18,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:18,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501999846] [2020-12-23 08:42:18,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:42:18,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501999846] [2020-12-23 08:42:18,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:18,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:42:18,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598115458] [2020-12-23 08:42:18,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:18,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:18,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:18,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:18,804 INFO L87 Difference]: Start difference. First operand 40591 states and 72814 transitions. Second operand 5 states. [2020-12-23 08:42:22,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:22,519 INFO L93 Difference]: Finished difference Result 83900 states and 149894 transitions. [2020-12-23 08:42:22,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:42:22,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-12-23 08:42:22,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:22,640 INFO L225 Difference]: With dead ends: 83900 [2020-12-23 08:42:22,640 INFO L226 Difference]: Without dead ends: 82674 [2020-12-23 08:42:22,657 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 08:42:22,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82674 states. [2020-12-23 08:42:26,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82674 to 80768. [2020-12-23 08:42:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80768 states. [2020-12-23 08:42:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80768 states to 80768 states and 144898 transitions. [2020-12-23 08:42:26,478 INFO L78 Accepts]: Start accepts. Automaton has 80768 states and 144898 transitions. Word has length 97 [2020-12-23 08:42:26,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:26,479 INFO L481 AbstractCegarLoop]: Abstraction has 80768 states and 144898 transitions. [2020-12-23 08:42:26,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 80768 states and 144898 transitions. [2020-12-23 08:42:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:42:26,526 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:26,526 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:26,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:42:26,527 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:26,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:26,527 INFO L82 PathProgramCache]: Analyzing trace with hash 756827184, now seen corresponding path program 1 times [2020-12-23 08:42:26,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:26,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771715729] [2020-12-23 08:42:26,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:42:26,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771715729] [2020-12-23 08:42:26,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:26,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:42:26,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887820236] [2020-12-23 08:42:26,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:42:26,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:26,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:42:26,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:42:26,685 INFO L87 Difference]: Start difference. First operand 80768 states and 144898 transitions. Second operand 11 states. [2020-12-23 08:42:31,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:31,373 INFO L93 Difference]: Finished difference Result 84268 states and 150400 transitions. [2020-12-23 08:42:31,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-23 08:42:31,374 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-12-23 08:42:31,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:31,492 INFO L225 Difference]: With dead ends: 84268 [2020-12-23 08:42:31,492 INFO L226 Difference]: Without dead ends: 81646 [2020-12-23 08:42:31,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=788, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 08:42:31,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81646 states. [2020-12-23 08:42:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81646 to 80138. [2020-12-23 08:42:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80138 states. [2020-12-23 08:42:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80138 states to 80138 states and 143934 transitions. [2020-12-23 08:42:35,531 INFO L78 Accepts]: Start accepts. Automaton has 80138 states and 143934 transitions. Word has length 98 [2020-12-23 08:42:35,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:35,531 INFO L481 AbstractCegarLoop]: Abstraction has 80138 states and 143934 transitions. [2020-12-23 08:42:35,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:42:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 80138 states and 143934 transitions. [2020-12-23 08:42:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 08:42:35,601 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:35,602 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:35,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 08:42:35,602 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:35,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:35,602 INFO L82 PathProgramCache]: Analyzing trace with hash 847422468, now seen corresponding path program 1 times [2020-12-23 08:42:35,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:35,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837152940] [2020-12-23 08:42:35,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:42:35,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837152940] [2020-12-23 08:42:35,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:35,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 08:42:35,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341932423] [2020-12-23 08:42:35,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:42:35,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:35,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:42:35,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:42:35,801 INFO L87 Difference]: Start difference. First operand 80138 states and 143934 transitions. Second operand 12 states. [2020-12-23 08:42:40,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:40,303 INFO L93 Difference]: Finished difference Result 82611 states and 147785 transitions. [2020-12-23 08:42:40,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-23 08:42:40,303 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 103 [2020-12-23 08:42:40,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:40,437 INFO L225 Difference]: With dead ends: 82611 [2020-12-23 08:42:40,437 INFO L226 Difference]: Without dead ends: 81301 [2020-12-23 08:42:40,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=339, Invalid=851, Unknown=0, NotChecked=0, Total=1190 [2020-12-23 08:42:40,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81301 states. [2020-12-23 08:42:44,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81301 to 80102. [2020-12-23 08:42:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80102 states. [2020-12-23 08:42:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80102 states to 80102 states and 143868 transitions. [2020-12-23 08:42:44,565 INFO L78 Accepts]: Start accepts. Automaton has 80102 states and 143868 transitions. Word has length 103 [2020-12-23 08:42:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:44,566 INFO L481 AbstractCegarLoop]: Abstraction has 80102 states and 143868 transitions. [2020-12-23 08:42:44,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:42:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 80102 states and 143868 transitions. [2020-12-23 08:42:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 08:42:44,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:44,636 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:44,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 08:42:44,636 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:44,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:44,637 INFO L82 PathProgramCache]: Analyzing trace with hash -808331521, now seen corresponding path program 1 times [2020-12-23 08:42:44,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:44,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918250002] [2020-12-23 08:42:44,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:44,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918250002] [2020-12-23 08:42:44,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129687211] [2020-12-23 08:42:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:42:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:45,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:42:45,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:42:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:45,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:42:45,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-12-23 08:42:45,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537867751] [2020-12-23 08:42:45,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:42:45,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:45,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:42:45,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:42:45,323 INFO L87 Difference]: Start difference. First operand 80102 states and 143868 transitions. Second operand 6 states.