/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_spec1_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:50:36,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:50:36,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:50:36,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:50:36,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:50:36,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:50:36,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:50:36,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:50:36,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:50:36,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:50:36,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:50:36,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:50:36,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:50:36,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:50:36,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:50:36,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:50:36,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:50:36,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:50:36,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:50:36,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:50:36,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:50:36,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:50:36,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:50:36,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:50:36,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:50:36,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:50:36,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:50:36,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:50:36,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:50:36,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:50:36,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:50:36,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:50:36,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:50:36,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:50:36,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:50:36,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:50:36,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:50:36,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:50:36,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:50:36,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:50:36,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:50:36,325 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 08:50:36,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:50:36,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:50:36,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:50:36,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:50:36,373 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:50:36,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:50:36,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:50:36,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:50:36,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:50:36,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:50:36,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:50:36,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:50:36,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:50:36,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:50:36,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:50:36,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:50:36,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:50:36,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:50:36,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:50:36,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:50:36,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:50:36,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:50:36,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:50:36,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:50:36,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:50:36,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:50:36,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:50:36,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:50:36,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:50:36,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:50:36,830 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:50:36,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2020-12-23 08:50:36,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/76c9e0d44/c98ca708380d4f11a939765bbf5e3574/FLAGec02c2b3d [2020-12-23 08:50:37,664 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:50:37,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2020-12-23 08:50:37,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/76c9e0d44/c98ca708380d4f11a939765bbf5e3574/FLAGec02c2b3d [2020-12-23 08:50:37,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/76c9e0d44/c98ca708380d4f11a939765bbf5e3574 [2020-12-23 08:50:37,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:50:37,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:50:37,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:50:37,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:50:37,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:50:37,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:50:37" (1/1) ... [2020-12-23 08:50:37,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de06a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:37, skipping insertion in model container [2020-12-23 08:50:37,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:50:37" (1/1) ... [2020-12-23 08:50:37,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:50:37,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 08:50:38,094 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_spec1_product33.cil.c[1218,1231] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] 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[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~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_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~22,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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[~__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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__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~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_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~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_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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 08:50:38,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:50:38,604 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 08:50:38,665 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_spec1_product33.cil.c[1218,1231] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] 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[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~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_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~22,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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[~__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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__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~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_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~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_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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 08:50:38,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:50:38,931 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:50:38,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38 WrapperNode [2020-12-23 08:50:38,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:50:38,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:50:38,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:50:38,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:50:38,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:38,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:39,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:50:39,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:50:39,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:50:39,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:50:39,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:39,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:39,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:39,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:39,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:39,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:39,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (1/1) ... [2020-12-23 08:50:39,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:50:39,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:50:39,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:50:39,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:50:39,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (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 08:50:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:50:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:50:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:50:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:50:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:50:42,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:50:42,264 INFO L299 CfgBuilder]: Removed 403 assume(true) statements. [2020-12-23 08:50:42,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:50:42 BoogieIcfgContainer [2020-12-23 08:50:42,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:50:42,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:50:42,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:50:42,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:50:42,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:50:37" (1/3) ... [2020-12-23 08:50:42,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792b0589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:50:42, skipping insertion in model container [2020-12-23 08:50:42,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:50:38" (2/3) ... [2020-12-23 08:50:42,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792b0589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:50:42, skipping insertion in model container [2020-12-23 08:50:42,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:50:42" (3/3) ... [2020-12-23 08:50:42,280 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product33.cil.c [2020-12-23 08:50:42,287 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:50:42,293 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:50:42,310 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:50:42,342 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:50:42,343 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:50:42,343 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:50:42,343 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:50:42,343 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:50:42,343 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:50:42,343 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:50:42,343 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:50:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states. [2020-12-23 08:50:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:50:42,392 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:42,393 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] [2020-12-23 08:50:42,393 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:42,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:42,399 INFO L82 PathProgramCache]: Analyzing trace with hash 590568299, now seen corresponding path program 1 times [2020-12-23 08:50:42,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:42,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860960232] [2020-12-23 08:50:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:42,791 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 08:50:42,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860960232] [2020-12-23 08:50:42,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:42,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:42,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500061052] [2020-12-23 08:50:42,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:42,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:42,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:42,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:42,817 INFO L87 Difference]: Start difference. First operand 593 states. Second operand 3 states. [2020-12-23 08:50:43,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:43,018 INFO L93 Difference]: Finished difference Result 1744 states and 3011 transitions. [2020-12-23 08:50:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:43,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 08:50:43,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:43,069 INFO L225 Difference]: With dead ends: 1744 [2020-12-23 08:50:43,069 INFO L226 Difference]: Without dead ends: 918 [2020-12-23 08:50:43,079 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 08:50:43,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2020-12-23 08:50:43,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 468. [2020-12-23 08:50:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-23 08:50:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 809 transitions. [2020-12-23 08:50:43,188 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 809 transitions. Word has length 45 [2020-12-23 08:50:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:43,188 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 809 transitions. [2020-12-23 08:50:43,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 809 transitions. [2020-12-23 08:50:43,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:50:43,193 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:43,195 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] [2020-12-23 08:50:43,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:50:43,195 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:43,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:43,197 INFO L82 PathProgramCache]: Analyzing trace with hash 555584632, now seen corresponding path program 1 times [2020-12-23 08:50:43,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:43,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040745559] [2020-12-23 08:50:43,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:43,401 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 08:50:43,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040745559] [2020-12-23 08:50:43,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:43,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:50:43,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240065400] [2020-12-23 08:50:43,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:50:43,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:43,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:50:43,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:43,408 INFO L87 Difference]: Start difference. First operand 468 states and 809 transitions. Second operand 5 states. [2020-12-23 08:50:43,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:43,660 INFO L93 Difference]: Finished difference Result 1353 states and 2343 transitions. [2020-12-23 08:50:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:50:43,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 08:50:43,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:43,667 INFO L225 Difference]: With dead ends: 1353 [2020-12-23 08:50:43,667 INFO L226 Difference]: Without dead ends: 904 [2020-12-23 08:50:43,669 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 08:50:43,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-12-23 08:50:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 468. [2020-12-23 08:50:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-23 08:50:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 808 transitions. [2020-12-23 08:50:43,691 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 808 transitions. Word has length 47 [2020-12-23 08:50:43,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:43,692 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 808 transitions. [2020-12-23 08:50:43,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:50:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 808 transitions. [2020-12-23 08:50:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:50:43,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:43,695 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] [2020-12-23 08:50:43,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:50:43,696 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:43,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:43,697 INFO L82 PathProgramCache]: Analyzing trace with hash -356515445, now seen corresponding path program 1 times [2020-12-23 08:50:43,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:43,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104199929] [2020-12-23 08:50:43,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:43,806 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 08:50:43,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104199929] [2020-12-23 08:50:43,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:43,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:43,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342022191] [2020-12-23 08:50:43,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:43,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:43,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:43,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:43,812 INFO L87 Difference]: Start difference. First operand 468 states and 808 transitions. Second operand 3 states. [2020-12-23 08:50:43,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:43,869 INFO L93 Difference]: Finished difference Result 918 states and 1590 transitions. [2020-12-23 08:50:43,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:43,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:50:43,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:43,875 INFO L225 Difference]: With dead ends: 918 [2020-12-23 08:50:43,875 INFO L226 Difference]: Without dead ends: 473 [2020-12-23 08:50:43,877 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 08:50:43,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-12-23 08:50:43,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 468. [2020-12-23 08:50:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-23 08:50:43,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 807 transitions. [2020-12-23 08:50:43,904 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 807 transitions. Word has length 48 [2020-12-23 08:50:43,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:43,913 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 807 transitions. [2020-12-23 08:50:43,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 807 transitions. [2020-12-23 08:50:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:50:43,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:43,917 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] [2020-12-23 08:50:43,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:50:43,917 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:43,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:43,918 INFO L82 PathProgramCache]: Analyzing trace with hash 2131983365, now seen corresponding path program 1 times [2020-12-23 08:50:43,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:43,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232799948] [2020-12-23 08:50:43,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:44,051 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 08:50:44,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232799948] [2020-12-23 08:50:44,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:44,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:44,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665610509] [2020-12-23 08:50:44,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:44,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:44,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:44,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:44,056 INFO L87 Difference]: Start difference. First operand 468 states and 807 transitions. Second operand 3 states. [2020-12-23 08:50:44,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:44,114 INFO L93 Difference]: Finished difference Result 928 states and 1603 transitions. [2020-12-23 08:50:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:44,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-23 08:50:44,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:44,118 INFO L225 Difference]: With dead ends: 928 [2020-12-23 08:50:44,118 INFO L226 Difference]: Without dead ends: 468 [2020-12-23 08:50:44,120 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 08:50:44,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-12-23 08:50:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2020-12-23 08:50:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-23 08:50:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 805 transitions. [2020-12-23 08:50:44,141 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 805 transitions. Word has length 49 [2020-12-23 08:50:44,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:44,141 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 805 transitions. [2020-12-23 08:50:44,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 805 transitions. [2020-12-23 08:50:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:50:44,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:44,143 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] [2020-12-23 08:50:44,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:50:44,143 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:44,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:44,144 INFO L82 PathProgramCache]: Analyzing trace with hash -362414896, now seen corresponding path program 1 times [2020-12-23 08:50:44,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:44,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412676158] [2020-12-23 08:50:44,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:44,293 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 08:50:44,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412676158] [2020-12-23 08:50:44,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:44,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:50:44,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765259917] [2020-12-23 08:50:44,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:50:44,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:44,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:50:44,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:44,297 INFO L87 Difference]: Start difference. First operand 468 states and 805 transitions. Second operand 5 states. [2020-12-23 08:50:44,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:44,543 INFO L93 Difference]: Finished difference Result 1343 states and 2323 transitions. [2020-12-23 08:50:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:50:44,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:50:44,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:44,551 INFO L225 Difference]: With dead ends: 1343 [2020-12-23 08:50:44,552 INFO L226 Difference]: Without dead ends: 902 [2020-12-23 08:50:44,553 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 08:50:44,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-12-23 08:50:44,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 468. [2020-12-23 08:50:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-23 08:50:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 804 transitions. [2020-12-23 08:50:44,586 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 804 transitions. Word has length 50 [2020-12-23 08:50:44,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:44,587 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 804 transitions. [2020-12-23 08:50:44,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:50:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 804 transitions. [2020-12-23 08:50:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:50:44,589 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:44,590 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] [2020-12-23 08:50:44,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:50:44,590 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:44,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:44,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1940889037, now seen corresponding path program 1 times [2020-12-23 08:50:44,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:44,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325548090] [2020-12-23 08:50:44,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:44,721 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 08:50:44,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325548090] [2020-12-23 08:50:44,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:44,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:50:44,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847081337] [2020-12-23 08:50:44,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:50:44,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:44,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:50:44,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:44,726 INFO L87 Difference]: Start difference. First operand 468 states and 804 transitions. Second operand 5 states. [2020-12-23 08:50:44,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:44,927 INFO L93 Difference]: Finished difference Result 1348 states and 2328 transitions. [2020-12-23 08:50:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:50:44,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 08:50:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:44,934 INFO L225 Difference]: With dead ends: 1348 [2020-12-23 08:50:44,934 INFO L226 Difference]: Without dead ends: 907 [2020-12-23 08:50:44,935 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 08:50:44,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-12-23 08:50:44,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 468. [2020-12-23 08:50:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-23 08:50:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 803 transitions. [2020-12-23 08:50:44,971 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 803 transitions. Word has length 51 [2020-12-23 08:50:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:44,972 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 803 transitions. [2020-12-23 08:50:44,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:50:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 803 transitions. [2020-12-23 08:50:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:50:44,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:44,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:44,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:50:44,975 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:44,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:44,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2082866613, now seen corresponding path program 1 times [2020-12-23 08:50:44,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:44,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019758150] [2020-12-23 08:50:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:45,053 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 08:50:45,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019758150] [2020-12-23 08:50:45,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:45,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:45,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135696932] [2020-12-23 08:50:45,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:45,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:45,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:45,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:45,057 INFO L87 Difference]: Start difference. First operand 468 states and 803 transitions. Second operand 3 states. [2020-12-23 08:50:45,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:45,092 INFO L93 Difference]: Finished difference Result 694 states and 1175 transitions. [2020-12-23 08:50:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:45,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 08:50:45,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:45,096 INFO L225 Difference]: With dead ends: 694 [2020-12-23 08:50:45,096 INFO L226 Difference]: Without dead ends: 471 [2020-12-23 08:50:45,098 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 08:50:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-12-23 08:50:45,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 470. [2020-12-23 08:50:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-12-23 08:50:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 805 transitions. [2020-12-23 08:50:45,125 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 805 transitions. Word has length 52 [2020-12-23 08:50:45,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:45,126 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 805 transitions. [2020-12-23 08:50:45,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 805 transitions. [2020-12-23 08:50:45,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:50:45,127 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:45,127 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] [2020-12-23 08:50:45,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:50:45,128 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:45,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:45,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1772013959, now seen corresponding path program 1 times [2020-12-23 08:50:45,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:45,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97494327] [2020-12-23 08:50:45,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:45,240 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 08:50:45,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97494327] [2020-12-23 08:50:45,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:45,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:45,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988481633] [2020-12-23 08:50:45,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:45,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:45,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:45,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:45,243 INFO L87 Difference]: Start difference. First operand 470 states and 805 transitions. Second operand 3 states. [2020-12-23 08:50:45,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:45,318 INFO L93 Difference]: Finished difference Result 1296 states and 2239 transitions. [2020-12-23 08:50:45,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:45,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 08:50:45,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:45,325 INFO L225 Difference]: With dead ends: 1296 [2020-12-23 08:50:45,325 INFO L226 Difference]: Without dead ends: 857 [2020-12-23 08:50:45,327 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 08:50:45,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-12-23 08:50:45,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 634. [2020-12-23 08:50:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-12-23 08:50:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1105 transitions. [2020-12-23 08:50:45,368 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1105 transitions. Word has length 60 [2020-12-23 08:50:45,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:45,370 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 1105 transitions. [2020-12-23 08:50:45,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1105 transitions. [2020-12-23 08:50:45,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:50:45,371 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:45,372 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] [2020-12-23 08:50:45,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:50:45,374 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:45,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:45,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1702342136, now seen corresponding path program 1 times [2020-12-23 08:50:45,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:45,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216216691] [2020-12-23 08:50:45,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:45,471 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 08:50:45,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216216691] [2020-12-23 08:50:45,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:45,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:50:45,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195334007] [2020-12-23 08:50:45,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:50:45,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:45,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:50:45,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:45,479 INFO L87 Difference]: Start difference. First operand 634 states and 1105 transitions. Second operand 5 states. [2020-12-23 08:50:45,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:45,930 INFO L93 Difference]: Finished difference Result 1832 states and 3221 transitions. [2020-12-23 08:50:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:50:45,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-12-23 08:50:45,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:45,937 INFO L225 Difference]: With dead ends: 1832 [2020-12-23 08:50:45,937 INFO L226 Difference]: Without dead ends: 1229 [2020-12-23 08:50:45,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:50:45,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2020-12-23 08:50:45,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 634. [2020-12-23 08:50:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-12-23 08:50:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1103 transitions. [2020-12-23 08:50:45,991 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1103 transitions. Word has length 61 [2020-12-23 08:50:45,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:45,991 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 1103 transitions. [2020-12-23 08:50:45,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:50:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1103 transitions. [2020-12-23 08:50:45,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:50:45,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:45,993 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] [2020-12-23 08:50:45,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:50:45,993 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:45,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:45,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1881522287, now seen corresponding path program 1 times [2020-12-23 08:50:45,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:45,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265759602] [2020-12-23 08:50:45,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:46,074 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 08:50:46,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265759602] [2020-12-23 08:50:46,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:46,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:46,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563352058] [2020-12-23 08:50:46,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:46,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:46,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:46,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:46,077 INFO L87 Difference]: Start difference. First operand 634 states and 1103 transitions. Second operand 3 states. [2020-12-23 08:50:46,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:46,160 INFO L93 Difference]: Finished difference Result 1830 states and 3213 transitions. [2020-12-23 08:50:46,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:46,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:50:46,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:46,168 INFO L225 Difference]: With dead ends: 1830 [2020-12-23 08:50:46,168 INFO L226 Difference]: Without dead ends: 1227 [2020-12-23 08:50:46,172 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 08:50:46,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-12-23 08:50:46,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1004. [2020-12-23 08:50:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-12-23 08:50:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1780 transitions. [2020-12-23 08:50:46,236 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1780 transitions. Word has length 62 [2020-12-23 08:50:46,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:46,237 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1780 transitions. [2020-12-23 08:50:46,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1780 transitions. [2020-12-23 08:50:46,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:50:46,238 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:46,239 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] [2020-12-23 08:50:46,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:50:46,239 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:46,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:46,239 INFO L82 PathProgramCache]: Analyzing trace with hash 855113395, now seen corresponding path program 1 times [2020-12-23 08:50:46,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:46,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184812582] [2020-12-23 08:50:46,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:46,342 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 08:50:46,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184812582] [2020-12-23 08:50:46,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467776613] [2020-12-23 08:50:46,343 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 08:50:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:46,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:50:46,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:50:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:50:46,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 08:50:46,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 08:50:46,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505500952] [2020-12-23 08:50:46,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:46,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:46,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:46,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:46,894 INFO L87 Difference]: Start difference. First operand 1004 states and 1780 transitions. Second operand 3 states. [2020-12-23 08:50:46,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:46,980 INFO L93 Difference]: Finished difference Result 1171 states and 2054 transitions. [2020-12-23 08:50:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:46,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:50:46,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:46,986 INFO L225 Difference]: With dead ends: 1171 [2020-12-23 08:50:46,987 INFO L226 Difference]: Without dead ends: 998 [2020-12-23 08:50:46,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:46,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2020-12-23 08:50:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 998. [2020-12-23 08:50:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-12-23 08:50:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1771 transitions. [2020-12-23 08:50:47,063 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1771 transitions. Word has length 62 [2020-12-23 08:50:47,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:47,064 INFO L481 AbstractCegarLoop]: Abstraction has 998 states and 1771 transitions. [2020-12-23 08:50:47,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1771 transitions. [2020-12-23 08:50:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 08:50:47,073 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:47,073 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, 1, 1, 1, 1, 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 08:50:47,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:50:47,289 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:47,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:47,291 INFO L82 PathProgramCache]: Analyzing trace with hash -259854786, now seen corresponding path program 1 times [2020-12-23 08:50:47,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:47,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445951566] [2020-12-23 08:50:47,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:47,412 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 08:50:47,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445951566] [2020-12-23 08:50:47,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132654919] [2020-12-23 08:50:47,413 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 08:50:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:47,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:50:47,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:50:47,980 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 08:50:47,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:50:47,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:50:47,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075311171] [2020-12-23 08:50:47,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:50:47,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:47,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:50:47,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:47,983 INFO L87 Difference]: Start difference. First operand 998 states and 1771 transitions. Second operand 5 states. [2020-12-23 08:50:48,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:48,110 INFO L93 Difference]: Finished difference Result 1655 states and 2892 transitions. [2020-12-23 08:50:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:50:48,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-12-23 08:50:48,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:48,118 INFO L225 Difference]: With dead ends: 1655 [2020-12-23 08:50:48,118 INFO L226 Difference]: Without dead ends: 1438 [2020-12-23 08:50:48,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 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 08:50:48,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-12-23 08:50:48,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1218. [2020-12-23 08:50:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-12-23 08:50:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 2168 transitions. [2020-12-23 08:50:48,250 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 2168 transitions. Word has length 106 [2020-12-23 08:50:48,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:48,250 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 2168 transitions. [2020-12-23 08:50:48,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:50:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 2168 transitions. [2020-12-23 08:50:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 08:50:48,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:48,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:48,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 08:50:48,468 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:48,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:48,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1147674751, now seen corresponding path program 1 times [2020-12-23 08:50:48,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:48,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526836381] [2020-12-23 08:50:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:48,588 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 08:50:48,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526836381] [2020-12-23 08:50:48,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:48,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:48,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714075475] [2020-12-23 08:50:48,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:48,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:48,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:48,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:48,591 INFO L87 Difference]: Start difference. First operand 1218 states and 2168 transitions. Second operand 3 states. [2020-12-23 08:50:48,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:48,735 INFO L93 Difference]: Finished difference Result 3284 states and 5871 transitions. [2020-12-23 08:50:48,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:48,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-12-23 08:50:48,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:48,747 INFO L225 Difference]: With dead ends: 3284 [2020-12-23 08:50:48,748 INFO L226 Difference]: Without dead ends: 2167 [2020-12-23 08:50:48,751 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 08:50:48,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2020-12-23 08:50:48,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1950. [2020-12-23 08:50:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2020-12-23 08:50:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 3501 transitions. [2020-12-23 08:50:48,897 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 3501 transitions. Word has length 110 [2020-12-23 08:50:48,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:48,897 INFO L481 AbstractCegarLoop]: Abstraction has 1950 states and 3501 transitions. [2020-12-23 08:50:48,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 3501 transitions. [2020-12-23 08:50:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 08:50:48,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:48,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:48,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:50:48,903 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:48,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:48,904 INFO L82 PathProgramCache]: Analyzing trace with hash 2139845121, now seen corresponding path program 1 times [2020-12-23 08:50:48,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:48,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677638053] [2020-12-23 08:50:48,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:48,993 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 08:50:48,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677638053] [2020-12-23 08:50:48,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:48,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:48,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571695683] [2020-12-23 08:50:48,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:48,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:48,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:48,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:48,999 INFO L87 Difference]: Start difference. First operand 1950 states and 3501 transitions. Second operand 3 states. [2020-12-23 08:50:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:49,221 INFO L93 Difference]: Finished difference Result 5216 states and 9389 transitions. [2020-12-23 08:50:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:49,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 08:50:49,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:49,242 INFO L225 Difference]: With dead ends: 5216 [2020-12-23 08:50:49,243 INFO L226 Difference]: Without dead ends: 3401 [2020-12-23 08:50:49,248 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 08:50:49,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2020-12-23 08:50:49,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3184. [2020-12-23 08:50:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2020-12-23 08:50:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 5742 transitions. [2020-12-23 08:50:49,476 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 5742 transitions. Word has length 111 [2020-12-23 08:50:49,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:49,477 INFO L481 AbstractCegarLoop]: Abstraction has 3184 states and 5742 transitions. [2020-12-23 08:50:49,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 5742 transitions. [2020-12-23 08:50:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 08:50:49,488 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:49,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:49,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:50:49,489 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:49,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1982846736, now seen corresponding path program 1 times [2020-12-23 08:50:49,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:49,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935197403] [2020-12-23 08:50:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:49,566 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 08:50:49,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935197403] [2020-12-23 08:50:49,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:49,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:49,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095220314] [2020-12-23 08:50:49,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:49,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:49,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:49,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:49,569 INFO L87 Difference]: Start difference. First operand 3184 states and 5742 transitions. Second operand 3 states. [2020-12-23 08:50:49,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:49,926 INFO L93 Difference]: Finished difference Result 8634 states and 15595 transitions. [2020-12-23 08:50:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:49,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 08:50:49,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:49,980 INFO L225 Difference]: With dead ends: 8634 [2020-12-23 08:50:49,980 INFO L226 Difference]: Without dead ends: 5619 [2020-12-23 08:50:49,986 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 08:50:49,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5619 states. [2020-12-23 08:50:50,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5619 to 5402. [2020-12-23 08:50:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5402 states. [2020-12-23 08:50:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 9759 transitions. [2020-12-23 08:50:50,394 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 9759 transitions. Word has length 112 [2020-12-23 08:50:50,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:50,394 INFO L481 AbstractCegarLoop]: Abstraction has 5402 states and 9759 transitions. [2020-12-23 08:50:50,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 9759 transitions. [2020-12-23 08:50:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 08:50:50,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:50,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:50,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:50:50,410 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:50,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:50,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1137751920, now seen corresponding path program 1 times [2020-12-23 08:50:50,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:50,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488258560] [2020-12-23 08:50:50,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:50:50,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488258560] [2020-12-23 08:50:50,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:50,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:50,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90484272] [2020-12-23 08:50:50,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:50,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:50,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:50,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:50,483 INFO L87 Difference]: Start difference. First operand 5402 states and 9759 transitions. Second operand 3 states. [2020-12-23 08:50:51,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:51,174 INFO L93 Difference]: Finished difference Result 15614 states and 28257 transitions. [2020-12-23 08:50:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:51,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 08:50:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:51,207 INFO L225 Difference]: With dead ends: 15614 [2020-12-23 08:50:51,207 INFO L226 Difference]: Without dead ends: 10389 [2020-12-23 08:50:51,217 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 08:50:51,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10389 states. [2020-12-23 08:50:52,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10389 to 10172. [2020-12-23 08:50:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10172 states. [2020-12-23 08:50:52,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10172 states to 10172 states and 18400 transitions. [2020-12-23 08:50:52,053 INFO L78 Accepts]: Start accepts. Automaton has 10172 states and 18400 transitions. Word has length 113 [2020-12-23 08:50:52,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:52,053 INFO L481 AbstractCegarLoop]: Abstraction has 10172 states and 18400 transitions. [2020-12-23 08:50:52,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 10172 states and 18400 transitions. [2020-12-23 08:50:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 08:50:52,079 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:52,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:52,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:50:52,080 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:52,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:52,081 INFO L82 PathProgramCache]: Analyzing trace with hash 115200609, now seen corresponding path program 1 times [2020-12-23 08:50:52,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:52,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876917407] [2020-12-23 08:50:52,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:52,158 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 08:50:52,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876917407] [2020-12-23 08:50:52,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:52,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:52,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329516824] [2020-12-23 08:50:52,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:52,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:52,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:52,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:52,164 INFO L87 Difference]: Start difference. First operand 10172 states and 18400 transitions. Second operand 3 states. [2020-12-23 08:50:53,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:53,292 INFO L93 Difference]: Finished difference Result 29754 states and 53879 transitions. [2020-12-23 08:50:53,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:53,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 08:50:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:53,355 INFO L225 Difference]: With dead ends: 29754 [2020-12-23 08:50:53,355 INFO L226 Difference]: Without dead ends: 19767 [2020-12-23 08:50:53,373 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 08:50:53,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19767 states. [2020-12-23 08:50:54,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19767 to 19550. [2020-12-23 08:50:54,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19550 states. [2020-12-23 08:50:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19550 states to 19550 states and 35361 transitions. [2020-12-23 08:50:54,604 INFO L78 Accepts]: Start accepts. Automaton has 19550 states and 35361 transitions. Word has length 114 [2020-12-23 08:50:54,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:54,605 INFO L481 AbstractCegarLoop]: Abstraction has 19550 states and 35361 transitions. [2020-12-23 08:50:54,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 19550 states and 35361 transitions. [2020-12-23 08:50:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 08:50:54,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:54,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:54,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:50:54,653 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:54,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:54,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1532991393, now seen corresponding path program 1 times [2020-12-23 08:50:54,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:54,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013246618] [2020-12-23 08:50:54,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:54,748 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 08:50:54,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013246618] [2020-12-23 08:50:54,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:54,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:54,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779395230] [2020-12-23 08:50:54,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:54,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:54,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:54,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:54,754 INFO L87 Difference]: Start difference. First operand 19550 states and 35361 transitions. Second operand 3 states. [2020-12-23 08:50:56,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:56,536 INFO L93 Difference]: Finished difference Result 58074 states and 105076 transitions. [2020-12-23 08:50:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:56,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 08:50:56,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:56,677 INFO L225 Difference]: With dead ends: 58074 [2020-12-23 08:50:56,677 INFO L226 Difference]: Without dead ends: 38713 [2020-12-23 08:50:56,714 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 08:50:56,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38713 states. [2020-12-23 08:50:59,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38713 to 38496. [2020-12-23 08:50:59,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38496 states. [2020-12-23 08:50:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38496 states to 38496 states and 69538 transitions. [2020-12-23 08:50:59,315 INFO L78 Accepts]: Start accepts. Automaton has 38496 states and 69538 transitions. Word has length 115 [2020-12-23 08:50:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:59,315 INFO L481 AbstractCegarLoop]: Abstraction has 38496 states and 69538 transitions. [2020-12-23 08:50:59,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 38496 states and 69538 transitions. [2020-12-23 08:50:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 08:50:59,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:59,370 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:59,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:50:59,371 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:59,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:59,371 INFO L82 PathProgramCache]: Analyzing trace with hash -826120038, now seen corresponding path program 1 times [2020-12-23 08:50:59,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:59,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482331309] [2020-12-23 08:50:59,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:59,454 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 08:50:59,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482331309] [2020-12-23 08:50:59,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:59,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:50:59,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378365500] [2020-12-23 08:50:59,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:50:59,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:59,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:50:59,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:59,456 INFO L87 Difference]: Start difference. First operand 38496 states and 69538 transitions. Second operand 5 states. [2020-12-23 08:51:02,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:02,387 INFO L93 Difference]: Finished difference Result 113183 states and 204413 transitions. [2020-12-23 08:51:02,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:51:02,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-12-23 08:51:02,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:02,601 INFO L225 Difference]: With dead ends: 113183 [2020-12-23 08:51:02,601 INFO L226 Difference]: Without dead ends: 74944 [2020-12-23 08:51:02,644 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 08:51:02,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74944 states. [2020-12-23 08:51:04,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74944 to 38496. [2020-12-23 08:51:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38496 states. [2020-12-23 08:51:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38496 states to 38496 states and 69280 transitions. [2020-12-23 08:51:04,625 INFO L78 Accepts]: Start accepts. Automaton has 38496 states and 69280 transitions. Word has length 116 [2020-12-23 08:51:04,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:04,625 INFO L481 AbstractCegarLoop]: Abstraction has 38496 states and 69280 transitions. [2020-12-23 08:51:04,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 38496 states and 69280 transitions. [2020-12-23 08:51:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 08:51:04,663 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:04,663 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:51:04,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:51:04,664 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:04,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:04,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1960279228, now seen corresponding path program 2 times [2020-12-23 08:51:04,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:04,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507985495] [2020-12-23 08:51:04,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:04,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507985495] [2020-12-23 08:51:04,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:04,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:04,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278997067] [2020-12-23 08:51:04,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:04,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:04,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:04,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:04,765 INFO L87 Difference]: Start difference. First operand 38496 states and 69280 transitions. Second operand 5 states. [2020-12-23 08:51:06,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:06,434 INFO L93 Difference]: Finished difference Result 76946 states and 138478 transitions. [2020-12-23 08:51:06,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:06,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-12-23 08:51:06,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:06,514 INFO L225 Difference]: With dead ends: 76946 [2020-12-23 08:51:06,515 INFO L226 Difference]: Without dead ends: 38713 [2020-12-23 08:51:06,544 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 08:51:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38713 states. [2020-12-23 08:51:08,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38713 to 38496. [2020-12-23 08:51:08,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38496 states. [2020-12-23 08:51:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38496 states to 38496 states and 69152 transitions. [2020-12-23 08:51:08,414 INFO L78 Accepts]: Start accepts. Automaton has 38496 states and 69152 transitions. Word has length 116 [2020-12-23 08:51:08,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:08,414 INFO L481 AbstractCegarLoop]: Abstraction has 38496 states and 69152 transitions. [2020-12-23 08:51:08,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 38496 states and 69152 transitions. [2020-12-23 08:51:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 08:51:08,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:08,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:51:08,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:51:08,469 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:08,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:08,470 INFO L82 PathProgramCache]: Analyzing trace with hash -334516049, now seen corresponding path program 1 times [2020-12-23 08:51:08,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:08,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559246186] [2020-12-23 08:51:08,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:08,556 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 08:51:08,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559246186] [2020-12-23 08:51:08,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:08,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:08,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403231542] [2020-12-23 08:51:08,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:08,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:08,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:08,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:08,559 INFO L87 Difference]: Start difference. First operand 38496 states and 69152 transitions. Second operand 3 states. [2020-12-23 08:51:11,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:11,125 INFO L93 Difference]: Finished difference Result 107068 states and 192056 transitions. [2020-12-23 08:51:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:11,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-23 08:51:11,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:11,258 INFO L225 Difference]: With dead ends: 107068 [2020-12-23 08:51:11,258 INFO L226 Difference]: Without dead ends: 68795 [2020-12-23 08:51:11,300 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 08:51:11,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68795 states. [2020-12-23 08:51:14,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68795 to 68578. [2020-12-23 08:51:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68578 states. [2020-12-23 08:51:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68578 states to 68578 states and 122657 transitions. [2020-12-23 08:51:14,904 INFO L78 Accepts]: Start accepts. Automaton has 68578 states and 122657 transitions. Word has length 116 [2020-12-23 08:51:14,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:14,904 INFO L481 AbstractCegarLoop]: Abstraction has 68578 states and 122657 transitions. [2020-12-23 08:51:14,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 68578 states and 122657 transitions. [2020-12-23 08:51:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 08:51:14,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:14,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:14,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:51:14,970 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:14,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:14,970 INFO L82 PathProgramCache]: Analyzing trace with hash -90757706, now seen corresponding path program 1 times [2020-12-23 08:51:14,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:14,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672752195] [2020-12-23 08:51:14,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:15,231 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 08:51:15,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672752195] [2020-12-23 08:51:15,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:15,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:51:15,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533363168] [2020-12-23 08:51:15,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:15,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:15,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:15,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:15,235 INFO L87 Difference]: Start difference. First operand 68578 states and 122657 transitions. Second operand 9 states. [2020-12-23 08:51:21,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:21,676 INFO L93 Difference]: Finished difference Result 138129 states and 246883 transitions. [2020-12-23 08:51:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:51:21,679 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2020-12-23 08:51:21,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:21,941 INFO L225 Difference]: With dead ends: 138129 [2020-12-23 08:51:21,941 INFO L226 Difference]: Without dead ends: 137943 [2020-12-23 08:51:21,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 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 08:51:22,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137943 states. [2020-12-23 08:51:28,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137943 to 136949. [2020-12-23 08:51:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136949 states. [2020-12-23 08:51:28,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136949 states to 136949 states and 244973 transitions. [2020-12-23 08:51:28,594 INFO L78 Accepts]: Start accepts. Automaton has 136949 states and 244973 transitions. Word has length 117 [2020-12-23 08:51:28,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:28,594 INFO L481 AbstractCegarLoop]: Abstraction has 136949 states and 244973 transitions. [2020-12-23 08:51:28,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:51:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand 136949 states and 244973 transitions. [2020-12-23 08:51:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 08:51:29,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:29,032 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:29,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:51:29,033 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:29,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:29,034 INFO L82 PathProgramCache]: Analyzing trace with hash 29184337, now seen corresponding path program 1 times [2020-12-23 08:51:29,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:29,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228261095] [2020-12-23 08:51:29,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:29,144 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 08:51:29,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228261095] [2020-12-23 08:51:29,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:29,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:29,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738900399] [2020-12-23 08:51:29,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:51:29,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:29,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:51:29,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:51:29,150 INFO L87 Difference]: Start difference. First operand 136949 states and 244973 transitions. Second operand 4 states. [2020-12-23 08:51:34,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:34,089 INFO L93 Difference]: Finished difference Result 137278 states and 245507 transitions. [2020-12-23 08:51:34,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:34,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2020-12-23 08:51:34,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:34,495 INFO L225 Difference]: With dead ends: 137278 [2020-12-23 08:51:34,495 INFO L226 Difference]: Without dead ends: 137066 [2020-12-23 08:51:34,522 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 08:51:34,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137066 states. [2020-12-23 08:51:40,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137066 to 136948. [2020-12-23 08:51:40,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136948 states. [2020-12-23 08:51:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136948 states to 136948 states and 244969 transitions. [2020-12-23 08:51:40,763 INFO L78 Accepts]: Start accepts. Automaton has 136948 states and 244969 transitions. Word has length 118 [2020-12-23 08:51:40,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:40,763 INFO L481 AbstractCegarLoop]: Abstraction has 136948 states and 244969 transitions. [2020-12-23 08:51:40,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:51:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 136948 states and 244969 transitions. [2020-12-23 08:51:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 08:51:40,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:40,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:40,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:51:40,850 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:40,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:40,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1426566385, now seen corresponding path program 1 times [2020-12-23 08:51:40,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:40,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833615440] [2020-12-23 08:51:40,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:40,952 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 08:51:40,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833615440] [2020-12-23 08:51:40,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:40,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:51:40,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16379343] [2020-12-23 08:51:40,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:51:40,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:40,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:51:40,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:40,954 INFO L87 Difference]: Start difference. First operand 136948 states and 244969 transitions. Second operand 7 states. [2020-12-23 08:51:46,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:46,532 INFO L93 Difference]: Finished difference Result 137483 states and 245834 transitions. [2020-12-23 08:51:46,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:51:46,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-12-23 08:51:46,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:46,773 INFO L225 Difference]: With dead ends: 137483 [2020-12-23 08:51:46,773 INFO L226 Difference]: Without dead ends: 137129 [2020-12-23 08:51:46,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:51:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137129 states. [2020-12-23 08:51:52,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137129 to 136936. [2020-12-23 08:51:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136936 states. [2020-12-23 08:51:53,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136936 states to 136936 states and 244942 transitions. [2020-12-23 08:51:53,251 INFO L78 Accepts]: Start accepts. Automaton has 136936 states and 244942 transitions. Word has length 119 [2020-12-23 08:51:53,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:53,251 INFO L481 AbstractCegarLoop]: Abstraction has 136936 states and 244942 transitions. [2020-12-23 08:51:53,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:51:53,252 INFO L276 IsEmpty]: Start isEmpty. Operand 136936 states and 244942 transitions. [2020-12-23 08:51:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 08:51:53,336 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:53,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:53,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:51:53,336 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:53,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:53,336 INFO L82 PathProgramCache]: Analyzing trace with hash -440567351, now seen corresponding path program 1 times [2020-12-23 08:51:53,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:53,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168687709] [2020-12-23 08:51:53,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:53,887 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 08:51:53,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168687709] [2020-12-23 08:51:53,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:53,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:51:53,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28446127] [2020-12-23 08:51:53,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:53,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:53,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:53,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:53,890 INFO L87 Difference]: Start difference. First operand 136936 states and 244942 transitions. Second operand 9 states. [2020-12-23 08:52:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:05,015 INFO L93 Difference]: Finished difference Result 275755 states and 492883 transitions. [2020-12-23 08:52:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 08:52:05,015 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 119 [2020-12-23 08:52:05,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:05,775 INFO L225 Difference]: With dead ends: 275755 [2020-12-23 08:52:05,775 INFO L226 Difference]: Without dead ends: 275413 [2020-12-23 08:52:05,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2020-12-23 08:52:06,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275413 states. [2020-12-23 08:52:18,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275413 to 273591. [2020-12-23 08:52:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273591 states.