/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_spec27_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:53:29,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:53:29,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:53:29,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:53:29,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:53:29,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:53:29,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:53:29,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:53:29,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:53:29,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:53:29,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:53:29,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:53:29,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:53:29,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:53:29,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:53:29,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:53:29,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:53:29,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:53:29,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:53:29,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:53:29,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:53:29,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:53:29,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:53:29,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:53:29,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:53:29,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:53:29,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:53:29,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:53:29,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:53:29,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:53:29,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:53:29,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:53:29,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:53:29,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:53:29,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:53:29,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:53:29,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:53:29,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:53:29,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:53:29,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:53:29,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:53:29,297 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 08:53:29,345 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:53:29,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:53:29,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:53:29,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:53:29,351 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:53:29,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:53:29,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:53:29,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:53:29,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:53:29,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:53:29,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:53:29,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:53:29,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:53:29,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:53:29,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:53:29,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:53:29,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:53:29,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:53:29,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:53:29,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:53:29,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:53:29,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:53:29,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:53:29,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:53:29,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:53:29,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:53:29,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:53:29,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:53:29,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:53:29,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:53:29,841 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:53:29,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product33.cil.c [2020-12-23 08:53:29,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f88094e5/6e8413a1a8be4ceaa1ef13b7d48b3a22/FLAG14b87b0d0 [2020-12-23 08:53:30,838 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:53:30,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product33.cil.c [2020-12-23 08:53:30,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f88094e5/6e8413a1a8be4ceaa1ef13b7d48b3a22/FLAG14b87b0d0 [2020-12-23 08:53:30,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f88094e5/6e8413a1a8be4ceaa1ef13b7d48b3a22 [2020-12-23 08:53:30,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:53:30,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:53:30,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:53:30,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:53:30,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:53:30,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:53:30" (1/1) ... [2020-12-23 08:53:30,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245b24e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:30, skipping insertion in model container [2020-12-23 08:53:30,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:53:30" (1/1) ... [2020-12-23 08:53:30,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:53:31,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 08:53:31,327 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_spec27_product33.cil.c[1219,1232] 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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~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_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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:53:31,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:53:31,999 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 08:53:32,014 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_spec27_product33.cil.c[1219,1232] 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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~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_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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:53:32,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:53:32,387 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:53:32,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32 WrapperNode [2020-12-23 08:53:32,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:53:32,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:53:32,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:53:32,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:53:32,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:53:32,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:53:32,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:53:32,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:53:32,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (1/1) ... [2020-12-23 08:53:32,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:53:32,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:53:32,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:53:32,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:53:32,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (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 08:53:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:53:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:53:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:53:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:53:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:53:35,697 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:53:35,698 INFO L299 CfgBuilder]: Removed 407 assume(true) statements. [2020-12-23 08:53:35,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:53:35 BoogieIcfgContainer [2020-12-23 08:53:35,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:53:35,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:53:35,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:53:35,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:53:35,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:53:30" (1/3) ... [2020-12-23 08:53:35,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fd0829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:53:35, skipping insertion in model container [2020-12-23 08:53:35,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:32" (2/3) ... [2020-12-23 08:53:35,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fd0829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:53:35, skipping insertion in model container [2020-12-23 08:53:35,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:53:35" (3/3) ... [2020-12-23 08:53:35,710 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product33.cil.c [2020-12-23 08:53:35,717 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:53:35,722 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:53:35,742 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:53:35,773 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:53:35,773 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:53:35,773 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:53:35,773 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:53:35,774 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:53:35,774 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:53:35,774 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:53:35,774 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:53:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states. [2020-12-23 08:53:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:53:35,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:35,820 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] [2020-12-23 08:53:35,820 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:35,827 INFO L82 PathProgramCache]: Analyzing trace with hash -418317132, now seen corresponding path program 1 times [2020-12-23 08:53:35,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:35,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197608343] [2020-12-23 08:53:35,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:36,364 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 08:53:36,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197608343] [2020-12-23 08:53:36,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:36,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:36,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815441362] [2020-12-23 08:53:36,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:36,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:36,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:36,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:36,389 INFO L87 Difference]: Start difference. First operand 613 states. Second operand 3 states. [2020-12-23 08:53:36,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:36,710 INFO L93 Difference]: Finished difference Result 1804 states and 3125 transitions. [2020-12-23 08:53:36,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:36,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:53:36,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:36,747 INFO L225 Difference]: With dead ends: 1804 [2020-12-23 08:53:36,747 INFO L226 Difference]: Without dead ends: 1086 [2020-12-23 08:53:36,759 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 08:53:36,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-12-23 08:53:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 552. [2020-12-23 08:53:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-12-23 08:53:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 957 transitions. [2020-12-23 08:53:36,904 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 957 transitions. Word has length 62 [2020-12-23 08:53:36,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:36,905 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 957 transitions. [2020-12-23 08:53:36,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 957 transitions. [2020-12-23 08:53:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:53:36,918 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:36,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:36,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:53:36,920 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:36,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:36,924 INFO L82 PathProgramCache]: Analyzing trace with hash 571959111, now seen corresponding path program 1 times [2020-12-23 08:53:36,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:36,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328298288] [2020-12-23 08:53:36,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:37,106 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 08:53:37,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328298288] [2020-12-23 08:53:37,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:37,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:53:37,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880235304] [2020-12-23 08:53:37,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:37,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:37,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:37,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:37,111 INFO L87 Difference]: Start difference. First operand 552 states and 957 transitions. Second operand 5 states. [2020-12-23 08:53:37,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:37,359 INFO L93 Difference]: Finished difference Result 1605 states and 2787 transitions. [2020-12-23 08:53:37,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:53:37,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 08:53:37,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:37,367 INFO L225 Difference]: With dead ends: 1605 [2020-12-23 08:53:37,367 INFO L226 Difference]: Without dead ends: 1072 [2020-12-23 08:53:37,370 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 08:53:37,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-23 08:53:37,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 552. [2020-12-23 08:53:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-12-23 08:53:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 956 transitions. [2020-12-23 08:53:37,398 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 956 transitions. Word has length 64 [2020-12-23 08:53:37,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:37,399 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 956 transitions. [2020-12-23 08:53:37,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 956 transitions. [2020-12-23 08:53:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:53:37,401 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:37,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:37,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:53:37,402 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:37,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:37,402 INFO L82 PathProgramCache]: Analyzing trace with hash -740205932, now seen corresponding path program 1 times [2020-12-23 08:53:37,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:37,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829991861] [2020-12-23 08:53:37,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:37,542 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 08:53:37,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829991861] [2020-12-23 08:53:37,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:37,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:37,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813251733] [2020-12-23 08:53:37,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:37,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:37,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:37,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:37,546 INFO L87 Difference]: Start difference. First operand 552 states and 956 transitions. Second operand 3 states. [2020-12-23 08:53:37,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:37,595 INFO L93 Difference]: Finished difference Result 1086 states and 1886 transitions. [2020-12-23 08:53:37,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:37,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:53:37,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:37,599 INFO L225 Difference]: With dead ends: 1086 [2020-12-23 08:53:37,600 INFO L226 Difference]: Without dead ends: 557 [2020-12-23 08:53:37,601 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 08:53:37,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-12-23 08:53:37,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 552. [2020-12-23 08:53:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-12-23 08:53:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 955 transitions. [2020-12-23 08:53:37,626 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 955 transitions. Word has length 65 [2020-12-23 08:53:37,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:37,627 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 955 transitions. [2020-12-23 08:53:37,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 955 transitions. [2020-12-23 08:53:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:53:37,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:37,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:37,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:53:37,630 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:37,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:37,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1127670618, now seen corresponding path program 1 times [2020-12-23 08:53:37,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:37,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787473012] [2020-12-23 08:53:37,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:37,714 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 08:53:37,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787473012] [2020-12-23 08:53:37,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:37,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:37,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143434081] [2020-12-23 08:53:37,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:37,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:37,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:37,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:37,717 INFO L87 Difference]: Start difference. First operand 552 states and 955 transitions. Second operand 3 states. [2020-12-23 08:53:37,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:37,770 INFO L93 Difference]: Finished difference Result 1096 states and 1899 transitions. [2020-12-23 08:53:37,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:37,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:53:37,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:37,774 INFO L225 Difference]: With dead ends: 1096 [2020-12-23 08:53:37,775 INFO L226 Difference]: Without dead ends: 552 [2020-12-23 08:53:37,776 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 08:53:37,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-12-23 08:53:37,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2020-12-23 08:53:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-12-23 08:53:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 953 transitions. [2020-12-23 08:53:37,835 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 953 transitions. Word has length 66 [2020-12-23 08:53:37,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:37,836 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 953 transitions. [2020-12-23 08:53:37,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 953 transitions. [2020-12-23 08:53:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:53:37,841 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:37,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:37,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:53:37,841 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:37,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:37,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1994568175, now seen corresponding path program 1 times [2020-12-23 08:53:37,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:37,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598353338] [2020-12-23 08:53:37,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:37,976 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 08:53:37,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598353338] [2020-12-23 08:53:37,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:37,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:53:37,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310292533] [2020-12-23 08:53:37,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:37,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:37,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:37,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:37,981 INFO L87 Difference]: Start difference. First operand 552 states and 953 transitions. Second operand 5 states. [2020-12-23 08:53:38,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:38,184 INFO L93 Difference]: Finished difference Result 1595 states and 2767 transitions. [2020-12-23 08:53:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:53:38,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2020-12-23 08:53:38,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:38,192 INFO L225 Difference]: With dead ends: 1595 [2020-12-23 08:53:38,192 INFO L226 Difference]: Without dead ends: 1070 [2020-12-23 08:53:38,194 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 08:53:38,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-12-23 08:53:38,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 552. [2020-12-23 08:53:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-12-23 08:53:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 952 transitions. [2020-12-23 08:53:38,236 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 952 transitions. Word has length 67 [2020-12-23 08:53:38,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:38,237 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 952 transitions. [2020-12-23 08:53:38,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:38,237 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 952 transitions. [2020-12-23 08:53:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:53:38,239 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:38,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:38,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:53:38,239 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:38,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:38,240 INFO L82 PathProgramCache]: Analyzing trace with hash -96892270, now seen corresponding path program 1 times [2020-12-23 08:53:38,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:38,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124095608] [2020-12-23 08:53:38,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:38,387 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 08:53:38,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124095608] [2020-12-23 08:53:38,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:38,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:53:38,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444619891] [2020-12-23 08:53:38,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:38,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:38,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:38,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:38,391 INFO L87 Difference]: Start difference. First operand 552 states and 952 transitions. Second operand 5 states. [2020-12-23 08:53:38,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:38,567 INFO L93 Difference]: Finished difference Result 1600 states and 2772 transitions. [2020-12-23 08:53:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:53:38,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-23 08:53:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:38,574 INFO L225 Difference]: With dead ends: 1600 [2020-12-23 08:53:38,574 INFO L226 Difference]: Without dead ends: 1075 [2020-12-23 08:53:38,575 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 08:53:38,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2020-12-23 08:53:38,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 552. [2020-12-23 08:53:38,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-12-23 08:53:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 951 transitions. [2020-12-23 08:53:38,610 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 951 transitions. Word has length 68 [2020-12-23 08:53:38,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:38,610 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 951 transitions. [2020-12-23 08:53:38,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 951 transitions. [2020-12-23 08:53:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:53:38,612 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:38,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:38,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:53:38,613 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:38,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:38,617 INFO L82 PathProgramCache]: Analyzing trace with hash 45281194, now seen corresponding path program 1 times [2020-12-23 08:53:38,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:38,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077790744] [2020-12-23 08:53:38,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:38,744 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 08:53:38,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077790744] [2020-12-23 08:53:38,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:38,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:38,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311090895] [2020-12-23 08:53:38,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:38,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:38,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:38,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:38,747 INFO L87 Difference]: Start difference. First operand 552 states and 951 transitions. Second operand 3 states. [2020-12-23 08:53:38,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:38,786 INFO L93 Difference]: Finished difference Result 862 states and 1471 transitions. [2020-12-23 08:53:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:38,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:53:38,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:38,791 INFO L225 Difference]: With dead ends: 862 [2020-12-23 08:53:38,791 INFO L226 Difference]: Without dead ends: 555 [2020-12-23 08:53:38,793 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 08:53:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-12-23 08:53:38,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 554. [2020-12-23 08:53:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-12-23 08:53:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 953 transitions. [2020-12-23 08:53:38,871 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 953 transitions. Word has length 69 [2020-12-23 08:53:38,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:38,871 INFO L481 AbstractCegarLoop]: Abstraction has 554 states and 953 transitions. [2020-12-23 08:53:38,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 953 transitions. [2020-12-23 08:53:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:53:38,876 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:38,876 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:38,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:53:38,877 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:38,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:38,877 INFO L82 PathProgramCache]: Analyzing trace with hash 321128984, now seen corresponding path program 1 times [2020-12-23 08:53:38,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:38,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726839275] [2020-12-23 08:53:38,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:38,984 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 08:53:38,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726839275] [2020-12-23 08:53:38,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:38,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:38,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50293247] [2020-12-23 08:53:38,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:38,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:38,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:38,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:38,987 INFO L87 Difference]: Start difference. First operand 554 states and 953 transitions. Second operand 3 states. [2020-12-23 08:53:39,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:39,071 INFO L93 Difference]: Finished difference Result 1548 states and 2683 transitions. [2020-12-23 08:53:39,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:39,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:53:39,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:39,077 INFO L225 Difference]: With dead ends: 1548 [2020-12-23 08:53:39,078 INFO L226 Difference]: Without dead ends: 1025 [2020-12-23 08:53:39,080 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 08:53:39,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2020-12-23 08:53:39,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 718. [2020-12-23 08:53:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-12-23 08:53:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1253 transitions. [2020-12-23 08:53:39,158 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1253 transitions. Word has length 77 [2020-12-23 08:53:39,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:39,160 INFO L481 AbstractCegarLoop]: Abstraction has 718 states and 1253 transitions. [2020-12-23 08:53:39,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1253 transitions. [2020-12-23 08:53:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:53:39,163 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:39,163 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:39,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:53:39,166 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:39,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:39,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1056863159, now seen corresponding path program 1 times [2020-12-23 08:53:39,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:39,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236927667] [2020-12-23 08:53:39,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:39,315 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 08:53:39,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236927667] [2020-12-23 08:53:39,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:39,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:53:39,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520514895] [2020-12-23 08:53:39,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:39,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:39,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:39,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:39,327 INFO L87 Difference]: Start difference. First operand 718 states and 1253 transitions. Second operand 5 states. [2020-12-23 08:53:39,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:39,700 INFO L93 Difference]: Finished difference Result 2084 states and 3665 transitions. [2020-12-23 08:53:39,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:53:39,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-12-23 08:53:39,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:39,713 INFO L225 Difference]: With dead ends: 2084 [2020-12-23 08:53:39,713 INFO L226 Difference]: Without dead ends: 1397 [2020-12-23 08:53:39,719 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 08:53:39,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-12-23 08:53:39,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 718. [2020-12-23 08:53:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-12-23 08:53:39,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1251 transitions. [2020-12-23 08:53:39,807 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1251 transitions. Word has length 78 [2020-12-23 08:53:39,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:39,807 INFO L481 AbstractCegarLoop]: Abstraction has 718 states and 1251 transitions. [2020-12-23 08:53:39,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:39,808 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1251 transitions. [2020-12-23 08:53:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:53:39,810 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:39,810 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] [2020-12-23 08:53:39,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:53:39,811 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:39,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1237964466, now seen corresponding path program 1 times [2020-12-23 08:53:39,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:39,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823151927] [2020-12-23 08:53:39,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:39,895 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 08:53:39,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823151927] [2020-12-23 08:53:39,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:39,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:39,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544855970] [2020-12-23 08:53:39,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:39,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:39,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:39,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:39,902 INFO L87 Difference]: Start difference. First operand 718 states and 1251 transitions. Second operand 3 states. [2020-12-23 08:53:40,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:40,017 INFO L93 Difference]: Finished difference Result 2082 states and 3657 transitions. [2020-12-23 08:53:40,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:40,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 08:53:40,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:40,027 INFO L225 Difference]: With dead ends: 2082 [2020-12-23 08:53:40,027 INFO L226 Difference]: Without dead ends: 1395 [2020-12-23 08:53:40,030 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 08:53:40,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2020-12-23 08:53:40,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1088. [2020-12-23 08:53:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2020-12-23 08:53:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1928 transitions. [2020-12-23 08:53:40,127 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1928 transitions. Word has length 79 [2020-12-23 08:53:40,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:40,127 INFO L481 AbstractCegarLoop]: Abstraction has 1088 states and 1928 transitions. [2020-12-23 08:53:40,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:40,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1928 transitions. [2020-12-23 08:53:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:53:40,130 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:40,130 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] [2020-12-23 08:53:40,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:53:40,131 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:40,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:40,131 INFO L82 PathProgramCache]: Analyzing trace with hash 63853164, now seen corresponding path program 1 times [2020-12-23 08:53:40,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:40,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991579187] [2020-12-23 08:53:40,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:40,233 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 08:53:40,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991579187] [2020-12-23 08:53:40,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476013973] [2020-12-23 08:53:40,234 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 08:53:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:40,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:53:40,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:53:40,745 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 08:53:40,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:53:40,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:53:40,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646825512] [2020-12-23 08:53:40,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:40,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:40,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:40,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:40,748 INFO L87 Difference]: Start difference. First operand 1088 states and 1928 transitions. Second operand 5 states. [2020-12-23 08:53:40,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:40,915 INFO L93 Difference]: Finished difference Result 1925 states and 3363 transitions. [2020-12-23 08:53:40,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:53:40,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-23 08:53:40,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:40,926 INFO L225 Difference]: With dead ends: 1925 [2020-12-23 08:53:40,927 INFO L226 Difference]: Without dead ends: 1618 [2020-12-23 08:53:40,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 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 08:53:40,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2020-12-23 08:53:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1308. [2020-12-23 08:53:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2020-12-23 08:53:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2325 transitions. [2020-12-23 08:53:41,051 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2325 transitions. Word has length 79 [2020-12-23 08:53:41,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:41,051 INFO L481 AbstractCegarLoop]: Abstraction has 1308 states and 2325 transitions. [2020-12-23 08:53:41,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2325 transitions. [2020-12-23 08:53:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:53:41,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:41,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:41,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:53:41,268 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:41,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:41,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1870554889, now seen corresponding path program 1 times [2020-12-23 08:53:41,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:41,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315356889] [2020-12-23 08:53:41,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:41,386 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 08:53:41,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315356889] [2020-12-23 08:53:41,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:41,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:41,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088701490] [2020-12-23 08:53:41,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:41,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:41,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:41,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:41,389 INFO L87 Difference]: Start difference. First operand 1308 states and 2325 transitions. Second operand 3 states. [2020-12-23 08:53:41,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:41,568 INFO L93 Difference]: Finished difference Result 3554 states and 6342 transitions. [2020-12-23 08:53:41,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:41,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 08:53:41,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:41,582 INFO L225 Difference]: With dead ends: 3554 [2020-12-23 08:53:41,582 INFO L226 Difference]: Without dead ends: 2347 [2020-12-23 08:53:41,585 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 08:53:41,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2020-12-23 08:53:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 2040. [2020-12-23 08:53:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2040 states. [2020-12-23 08:53:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 3658 transitions. [2020-12-23 08:53:41,732 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 3658 transitions. Word has length 83 [2020-12-23 08:53:41,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:41,733 INFO L481 AbstractCegarLoop]: Abstraction has 2040 states and 3658 transitions. [2020-12-23 08:53:41,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 3658 transitions. [2020-12-23 08:53:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:53:41,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:41,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:41,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:53:41,739 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:41,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:41,739 INFO L82 PathProgramCache]: Analyzing trace with hash 750281865, now seen corresponding path program 1 times [2020-12-23 08:53:41,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:41,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542093574] [2020-12-23 08:53:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:41,811 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 08:53:41,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542093574] [2020-12-23 08:53:41,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:41,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:41,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8599182] [2020-12-23 08:53:41,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:41,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:41,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:41,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:41,813 INFO L87 Difference]: Start difference. First operand 2040 states and 3658 transitions. Second operand 3 states. [2020-12-23 08:53:42,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:42,093 INFO L93 Difference]: Finished difference Result 5486 states and 9860 transitions. [2020-12-23 08:53:42,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:42,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 08:53:42,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:42,116 INFO L225 Difference]: With dead ends: 5486 [2020-12-23 08:53:42,117 INFO L226 Difference]: Without dead ends: 3581 [2020-12-23 08:53:42,121 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 08:53:42,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3581 states. [2020-12-23 08:53:42,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3581 to 3274. [2020-12-23 08:53:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3274 states. [2020-12-23 08:53:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 5899 transitions. [2020-12-23 08:53:42,357 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 5899 transitions. Word has length 84 [2020-12-23 08:53:42,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:42,357 INFO L481 AbstractCegarLoop]: Abstraction has 3274 states and 5899 transitions. [2020-12-23 08:53:42,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 5899 transitions. [2020-12-23 08:53:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:53:42,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:42,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:42,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:53:42,365 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:42,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:42,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1916382970, now seen corresponding path program 1 times [2020-12-23 08:53:42,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:42,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061089427] [2020-12-23 08:53:42,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:42,431 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 08:53:42,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061089427] [2020-12-23 08:53:42,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:42,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:42,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474029784] [2020-12-23 08:53:42,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:42,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:42,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:42,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:42,434 INFO L87 Difference]: Start difference. First operand 3274 states and 5899 transitions. Second operand 3 states. [2020-12-23 08:53:42,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:42,847 INFO L93 Difference]: Finished difference Result 8904 states and 16066 transitions. [2020-12-23 08:53:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:42,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-23 08:53:42,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:42,906 INFO L225 Difference]: With dead ends: 8904 [2020-12-23 08:53:42,907 INFO L226 Difference]: Without dead ends: 5799 [2020-12-23 08:53:42,913 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 08:53:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5799 states. [2020-12-23 08:53:43,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5799 to 5492. [2020-12-23 08:53:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5492 states. [2020-12-23 08:53:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 9916 transitions. [2020-12-23 08:53:43,337 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 9916 transitions. Word has length 85 [2020-12-23 08:53:43,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:43,338 INFO L481 AbstractCegarLoop]: Abstraction has 5492 states and 9916 transitions. [2020-12-23 08:53:43,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 9916 transitions. [2020-12-23 08:53:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:53:43,348 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:43,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:43,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:53:43,348 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:43,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:43,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1193726810, now seen corresponding path program 1 times [2020-12-23 08:53:43,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:43,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703432694] [2020-12-23 08:53:43,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:43,418 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 08:53:43,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703432694] [2020-12-23 08:53:43,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:43,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:43,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16328616] [2020-12-23 08:53:43,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:43,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:43,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:43,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:43,424 INFO L87 Difference]: Start difference. First operand 5492 states and 9916 transitions. Second operand 3 states. [2020-12-23 08:53:44,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:44,099 INFO L93 Difference]: Finished difference Result 15884 states and 28728 transitions. [2020-12-23 08:53:44,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:44,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-23 08:53:44,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:44,137 INFO L225 Difference]: With dead ends: 15884 [2020-12-23 08:53:44,137 INFO L226 Difference]: Without dead ends: 10569 [2020-12-23 08:53:44,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:44,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10569 states. [2020-12-23 08:53:44,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10569 to 10262. [2020-12-23 08:53:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10262 states. [2020-12-23 08:53:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10262 states to 10262 states and 18557 transitions. [2020-12-23 08:53:44,868 INFO L78 Accepts]: Start accepts. Automaton has 10262 states and 18557 transitions. Word has length 86 [2020-12-23 08:53:44,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:44,869 INFO L481 AbstractCegarLoop]: Abstraction has 10262 states and 18557 transitions. [2020-12-23 08:53:44,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 10262 states and 18557 transitions. [2020-12-23 08:53:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:53:44,884 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:44,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:44,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:53:44,884 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:44,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:44,885 INFO L82 PathProgramCache]: Analyzing trace with hash 185188393, now seen corresponding path program 1 times [2020-12-23 08:53:44,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:44,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580661678] [2020-12-23 08:53:44,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:44,954 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 08:53:44,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580661678] [2020-12-23 08:53:44,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:44,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:44,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232855243] [2020-12-23 08:53:44,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:44,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:44,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:44,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:44,956 INFO L87 Difference]: Start difference. First operand 10262 states and 18557 transitions. Second operand 3 states. [2020-12-23 08:53:45,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:45,992 INFO L93 Difference]: Finished difference Result 30024 states and 54350 transitions. [2020-12-23 08:53:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:45,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-12-23 08:53:45,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:46,057 INFO L225 Difference]: With dead ends: 30024 [2020-12-23 08:53:46,058 INFO L226 Difference]: Without dead ends: 19947 [2020-12-23 08:53:46,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:46,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19947 states. [2020-12-23 08:53:47,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19947 to 19640. [2020-12-23 08:53:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19640 states. [2020-12-23 08:53:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19640 states to 19640 states and 35518 transitions. [2020-12-23 08:53:47,460 INFO L78 Accepts]: Start accepts. Automaton has 19640 states and 35518 transitions. Word has length 87 [2020-12-23 08:53:47,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:47,460 INFO L481 AbstractCegarLoop]: Abstraction has 19640 states and 35518 transitions. [2020-12-23 08:53:47,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 19640 states and 35518 transitions. [2020-12-23 08:53:47,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:53:47,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:47,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:47,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:53:47,486 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:47,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:47,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1882438935, now seen corresponding path program 1 times [2020-12-23 08:53:47,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:47,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134828936] [2020-12-23 08:53:47,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:47,573 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 08:53:47,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134828936] [2020-12-23 08:53:47,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:47,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:53:47,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685555192] [2020-12-23 08:53:47,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:53:47,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:47,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:53:47,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:53:47,576 INFO L87 Difference]: Start difference. First operand 19640 states and 35518 transitions. Second operand 3 states. [2020-12-23 08:53:49,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:49,293 INFO L93 Difference]: Finished difference Result 58344 states and 105547 transitions. [2020-12-23 08:53:49,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:53:49,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-12-23 08:53:49,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:49,452 INFO L225 Difference]: With dead ends: 58344 [2020-12-23 08:53:49,453 INFO L226 Difference]: Without dead ends: 38893 [2020-12-23 08:53:49,487 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 08:53:49,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38893 states. [2020-12-23 08:53:51,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38893 to 38586. [2020-12-23 08:53:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38586 states. [2020-12-23 08:53:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38586 states to 38586 states and 69695 transitions. [2020-12-23 08:53:51,789 INFO L78 Accepts]: Start accepts. Automaton has 38586 states and 69695 transitions. Word has length 88 [2020-12-23 08:53:51,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:51,789 INFO L481 AbstractCegarLoop]: Abstraction has 38586 states and 69695 transitions. [2020-12-23 08:53:51,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 38586 states and 69695 transitions. [2020-12-23 08:53:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:53:51,836 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:51,836 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:51,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:53:51,837 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:51,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:51,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1286700656, now seen corresponding path program 1 times [2020-12-23 08:53:51,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:51,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887984267] [2020-12-23 08:53:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:52,102 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 08:53:52,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887984267] [2020-12-23 08:53:52,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:52,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:53:52,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119266245] [2020-12-23 08:53:52,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:52,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:52,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:52,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:52,108 INFO L87 Difference]: Start difference. First operand 38586 states and 69695 transitions. Second operand 5 states. [2020-12-23 08:53:54,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:54,670 INFO L93 Difference]: Finished difference Result 113453 states and 204884 transitions. [2020-12-23 08:53:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:53:54,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-12-23 08:53:54,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:54,914 INFO L225 Difference]: With dead ends: 113453 [2020-12-23 08:53:54,914 INFO L226 Difference]: Without dead ends: 75124 [2020-12-23 08:53:55,301 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 08:53:55,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75124 states. [2020-12-23 08:53:57,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75124 to 38586. [2020-12-23 08:53:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38586 states. [2020-12-23 08:53:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38586 states to 38586 states and 69437 transitions. [2020-12-23 08:53:57,807 INFO L78 Accepts]: Start accepts. Automaton has 38586 states and 69437 transitions. Word has length 89 [2020-12-23 08:53:57,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:57,807 INFO L481 AbstractCegarLoop]: Abstraction has 38586 states and 69437 transitions. [2020-12-23 08:53:57,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 38586 states and 69437 transitions. [2020-12-23 08:53:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:53:57,834 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:57,835 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] [2020-12-23 08:53:57,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:53:57,835 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:57,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:57,836 INFO L82 PathProgramCache]: Analyzing trace with hash 15116974, now seen corresponding path program 2 times [2020-12-23 08:53:57,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:57,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665338557] [2020-12-23 08:53:57,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:57,925 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 08:53:57,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665338557] [2020-12-23 08:53:57,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:57,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:53:57,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598863400] [2020-12-23 08:53:57,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:57,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:57,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:57,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:57,927 INFO L87 Difference]: Start difference. First operand 38586 states and 69437 transitions. Second operand 5 states. [2020-12-23 08:53:59,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:59,717 INFO L93 Difference]: Finished difference Result 77216 states and 138949 transitions. [2020-12-23 08:53:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:53:59,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-12-23 08:53:59,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:59,792 INFO L225 Difference]: With dead ends: 77216 [2020-12-23 08:53:59,792 INFO L226 Difference]: Without dead ends: 38893 [2020-12-23 08:53:59,833 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 08:53:59,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38893 states. [2020-12-23 08:54:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38893 to 38586. [2020-12-23 08:54:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38586 states. [2020-12-23 08:54:01,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38586 states to 38586 states and 69309 transitions. [2020-12-23 08:54:01,825 INFO L78 Accepts]: Start accepts. Automaton has 38586 states and 69309 transitions. Word has length 89 [2020-12-23 08:54:01,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:01,825 INFO L481 AbstractCegarLoop]: Abstraction has 38586 states and 69309 transitions. [2020-12-23 08:54:01,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:54:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 38586 states and 69309 transitions. [2020-12-23 08:54:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:54:01,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:01,845 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] [2020-12-23 08:54:01,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:54:01,845 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:01,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:01,846 INFO L82 PathProgramCache]: Analyzing trace with hash -897389925, now seen corresponding path program 1 times [2020-12-23 08:54:01,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:01,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146428045] [2020-12-23 08:54:01,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:01,950 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 08:54:01,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146428045] [2020-12-23 08:54:01,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:01,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:54:01,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831020943] [2020-12-23 08:54:01,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:54:01,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:01,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:54:01,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:54:01,952 INFO L87 Difference]: Start difference. First operand 38586 states and 69309 transitions. Second operand 3 states. [2020-12-23 08:54:05,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:05,072 INFO L93 Difference]: Finished difference Result 107338 states and 192527 transitions. [2020-12-23 08:54:05,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:54:05,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-12-23 08:54:05,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:05,342 INFO L225 Difference]: With dead ends: 107338 [2020-12-23 08:54:05,343 INFO L226 Difference]: Without dead ends: 68975 [2020-12-23 08:54:05,377 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 08:54:05,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68975 states. [2020-12-23 08:54:08,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68975 to 68668. [2020-12-23 08:54:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68668 states. [2020-12-23 08:54:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68668 states to 68668 states and 122814 transitions. [2020-12-23 08:54:08,751 INFO L78 Accepts]: Start accepts. Automaton has 68668 states and 122814 transitions. Word has length 89 [2020-12-23 08:54:08,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:08,751 INFO L481 AbstractCegarLoop]: Abstraction has 68668 states and 122814 transitions. [2020-12-23 08:54:08,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:54:08,751 INFO L276 IsEmpty]: Start isEmpty. Operand 68668 states and 122814 transitions. [2020-12-23 08:54:08,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:54:08,770 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:08,771 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:54:08,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:54:08,771 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:08,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:08,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1896208908, now seen corresponding path program 1 times [2020-12-23 08:54:08,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:08,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312384999] [2020-12-23 08:54:08,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:08,962 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 08:54:08,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312384999] [2020-12-23 08:54:08,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:08,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:54:08,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122615195] [2020-12-23 08:54:08,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:54:08,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:08,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:54:08,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:54:08,965 INFO L87 Difference]: Start difference. First operand 68668 states and 122814 transitions. Second operand 9 states. [2020-12-23 08:54:12,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:12,362 INFO L93 Difference]: Finished difference Result 70550 states and 125939 transitions. [2020-12-23 08:54:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:54:12,362 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-12-23 08:54:12,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:12,478 INFO L225 Difference]: With dead ends: 70550 [2020-12-23 08:54:12,478 INFO L226 Difference]: Without dead ends: 70295 [2020-12-23 08:54:12,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:54:12,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70295 states. [2020-12-23 08:54:15,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70295 to 68760. [2020-12-23 08:54:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68760 states. [2020-12-23 08:54:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68760 states to 68760 states and 122961 transitions. [2020-12-23 08:54:15,908 INFO L78 Accepts]: Start accepts. Automaton has 68760 states and 122961 transitions. Word has length 90 [2020-12-23 08:54:15,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:15,909 INFO L481 AbstractCegarLoop]: Abstraction has 68760 states and 122961 transitions. [2020-12-23 08:54:15,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:54:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 68760 states and 122961 transitions. [2020-12-23 08:54:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:54:15,925 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:15,925 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:54:15,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:54:15,925 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:15,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:15,926 INFO L82 PathProgramCache]: Analyzing trace with hash -370716550, now seen corresponding path program 1 times [2020-12-23 08:54:15,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:15,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094318134] [2020-12-23 08:54:15,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:16,017 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 08:54:16,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094318134] [2020-12-23 08:54:16,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:16,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:54:16,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976310422] [2020-12-23 08:54:16,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:54:16,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:16,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:54:16,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:54:16,019 INFO L87 Difference]: Start difference. First operand 68760 states and 122961 transitions. Second operand 5 states. [2020-12-23 08:54:19,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:19,110 INFO L93 Difference]: Finished difference Result 70996 states and 126645 transitions. [2020-12-23 08:54:19,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:54:19,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-12-23 08:54:19,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:19,229 INFO L225 Difference]: With dead ends: 70996 [2020-12-23 08:54:19,230 INFO L226 Difference]: Without dead ends: 70675 [2020-12-23 08:54:19,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:54:19,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70675 states. [2020-12-23 08:54:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70675 to 69078. [2020-12-23 08:54:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69078 states. [2020-12-23 08:54:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69078 states to 69078 states and 123479 transitions. [2020-12-23 08:54:22,589 INFO L78 Accepts]: Start accepts. Automaton has 69078 states and 123479 transitions. Word has length 91 [2020-12-23 08:54:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:22,589 INFO L481 AbstractCegarLoop]: Abstraction has 69078 states and 123479 transitions. [2020-12-23 08:54:22,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:54:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 69078 states and 123479 transitions. [2020-12-23 08:54:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:54:22,605 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:22,605 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:54:22,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:54:22,606 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:22,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1409958576, now seen corresponding path program 1 times [2020-12-23 08:54:22,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:22,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892344721] [2020-12-23 08:54:22,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:22,698 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 08:54:22,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892344721] [2020-12-23 08:54:22,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:22,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:54:22,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390269588] [2020-12-23 08:54:22,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:54:22,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:22,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:54:22,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:54:22,700 INFO L87 Difference]: Start difference. First operand 69078 states and 123479 transitions. Second operand 7 states. [2020-12-23 08:54:25,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:25,673 INFO L93 Difference]: Finished difference Result 71388 states and 127257 transitions. [2020-12-23 08:54:25,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:54:25,674 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-12-23 08:54:25,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:25,782 INFO L225 Difference]: With dead ends: 71388 [2020-12-23 08:54:25,783 INFO L226 Difference]: Without dead ends: 70853 [2020-12-23 08:54:25,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:54:25,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70853 states. [2020-12-23 08:54:28,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70853 to 69084. [2020-12-23 08:54:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69084 states. [2020-12-23 08:54:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69084 states to 69084 states and 123485 transitions. [2020-12-23 08:54:29,161 INFO L78 Accepts]: Start accepts. Automaton has 69084 states and 123485 transitions. Word has length 92 [2020-12-23 08:54:29,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:29,161 INFO L481 AbstractCegarLoop]: Abstraction has 69084 states and 123485 transitions. [2020-12-23 08:54:29,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:54:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 69084 states and 123485 transitions. [2020-12-23 08:54:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:54:29,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:29,184 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:54:29,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:54:29,184 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:29,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:29,185 INFO L82 PathProgramCache]: Analyzing trace with hash 643190133, now seen corresponding path program 1 times [2020-12-23 08:54:29,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:29,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659626468] [2020-12-23 08:54:29,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:29,332 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 08:54:29,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659626468] [2020-12-23 08:54:29,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:29,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:54:29,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811174977] [2020-12-23 08:54:29,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:54:29,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:29,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:54:29,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:54:29,334 INFO L87 Difference]: Start difference. First operand 69084 states and 123485 transitions. Second operand 10 states. [2020-12-23 08:54:32,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:32,344 INFO L93 Difference]: Finished difference Result 70089 states and 125116 transitions. [2020-12-23 08:54:32,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 08:54:32,344 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-12-23 08:54:32,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:32,465 INFO L225 Difference]: With dead ends: 70089 [2020-12-23 08:54:32,465 INFO L226 Difference]: Without dead ends: 69442 [2020-12-23 08:54:32,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2020-12-23 08:54:32,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69442 states. [2020-12-23 08:54:35,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69442 to 69074. [2020-12-23 08:54:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69074 states. [2020-12-23 08:54:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69074 states to 69074 states and 123465 transitions. [2020-12-23 08:54:35,798 INFO L78 Accepts]: Start accepts. Automaton has 69074 states and 123465 transitions. Word has length 92 [2020-12-23 08:54:35,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:35,799 INFO L481 AbstractCegarLoop]: Abstraction has 69074 states and 123465 transitions. [2020-12-23 08:54:35,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:54:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 69074 states and 123465 transitions. [2020-12-23 08:54:35,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:54:35,820 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:35,821 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:54:35,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:54:35,821 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:35,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:35,821 INFO L82 PathProgramCache]: Analyzing trace with hash 28239424, now seen corresponding path program 1 times [2020-12-23 08:54:35,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:35,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284504195] [2020-12-23 08:54:35,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:35,904 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 08:54:35,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284504195] [2020-12-23 08:54:35,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:35,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:54:35,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155455993] [2020-12-23 08:54:35,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:54:35,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:35,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:54:35,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:54:35,906 INFO L87 Difference]: Start difference. First operand 69074 states and 123465 transitions. Second operand 5 states. [2020-12-23 08:54:41,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:41,633 INFO L93 Difference]: Finished difference Result 141489 states and 252204 transitions. [2020-12-23 08:54:41,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:54:41,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-12-23 08:54:41,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:41,906 INFO L225 Difference]: With dead ends: 141489 [2020-12-23 08:54:41,907 INFO L226 Difference]: Without dead ends: 140809 [2020-12-23 08:54:41,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:54:42,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140809 states. [2020-12-23 08:54:48,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140809 to 137724. [2020-12-23 08:54:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137724 states. [2020-12-23 08:54:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137724 states to 137724 states and 246203 transitions. [2020-12-23 08:54:48,760 INFO L78 Accepts]: Start accepts. Automaton has 137724 states and 246203 transitions. Word has length 94 [2020-12-23 08:54:48,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:48,761 INFO L481 AbstractCegarLoop]: Abstraction has 137724 states and 246203 transitions. [2020-12-23 08:54:48,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:54:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 137724 states and 246203 transitions. [2020-12-23 08:54:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:54:48,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:48,795 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] [2020-12-23 08:54:48,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:54:48,795 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:48,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:48,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1270771676, now seen corresponding path program 1 times [2020-12-23 08:54:48,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:48,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995217854] [2020-12-23 08:54:48,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:49,187 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 08:54:49,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995217854] [2020-12-23 08:54:49,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:49,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:54:49,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341048783] [2020-12-23 08:54:49,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:54:49,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:49,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:54:49,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:54:49,189 INFO L87 Difference]: Start difference. First operand 137724 states and 246203 transitions. Second operand 7 states. [2020-12-23 08:54:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:54,931 INFO L93 Difference]: Finished difference Result 139714 states and 249377 transitions. [2020-12-23 08:54:54,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:54:54,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2020-12-23 08:54:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:55,356 INFO L225 Difference]: With dead ends: 139714 [2020-12-23 08:54:55,357 INFO L226 Difference]: Without dead ends: 138533 [2020-12-23 08:54:55,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:54:55,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138533 states. [2020-12-23 08:55:01,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138533 to 137712. [2020-12-23 08:55:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137712 states. [2020-12-23 08:55:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137712 states to 137712 states and 246177 transitions. [2020-12-23 08:55:01,933 INFO L78 Accepts]: Start accepts. Automaton has 137712 states and 246177 transitions. Word has length 95 [2020-12-23 08:55:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:01,934 INFO L481 AbstractCegarLoop]: Abstraction has 137712 states and 246177 transitions. [2020-12-23 08:55:01,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:55:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 137712 states and 246177 transitions. [2020-12-23 08:55:02,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:55:02,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:02,254 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] [2020-12-23 08:55:02,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:55:02,255 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:02,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:02,255 INFO L82 PathProgramCache]: Analyzing trace with hash 837971749, now seen corresponding path program 1 times [2020-12-23 08:55:02,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:02,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792780292] [2020-12-23 08:55:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:02,345 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 08:55:02,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792780292] [2020-12-23 08:55:02,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:02,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:55:02,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316593723] [2020-12-23 08:55:02,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:55:02,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:02,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:55:02,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:55:02,347 INFO L87 Difference]: Start difference. First operand 137712 states and 246177 transitions. Second operand 5 states. [2020-12-23 08:55:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:08,458 INFO L93 Difference]: Finished difference Result 143292 states and 255087 transitions. [2020-12-23 08:55:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:55:08,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2020-12-23 08:55:08,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:08,909 INFO L225 Difference]: With dead ends: 143292 [2020-12-23 08:55:08,909 INFO L226 Difference]: Without dead ends: 142433 [2020-12-23 08:55:08,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:55:09,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142433 states. [2020-12-23 08:55:15,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142433 to 138582. [2020-12-23 08:55:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138582 states. [2020-12-23 08:55:15,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138582 states to 138582 states and 247567 transitions. [2020-12-23 08:55:15,972 INFO L78 Accepts]: Start accepts. Automaton has 138582 states and 247567 transitions. Word has length 95 [2020-12-23 08:55:15,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:15,972 INFO L481 AbstractCegarLoop]: Abstraction has 138582 states and 247567 transitions. [2020-12-23 08:55:15,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:55:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 138582 states and 247567 transitions. [2020-12-23 08:55:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:55:16,008 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:16,008 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:55:16,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:55:16,008 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:16,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:16,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1894075063, now seen corresponding path program 1 times [2020-12-23 08:55:16,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:16,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819770412] [2020-12-23 08:55:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:55:16,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819770412] [2020-12-23 08:55:16,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:16,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:55:16,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632549254] [2020-12-23 08:55:16,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:55:16,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:16,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:55:16,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:55:16,159 INFO L87 Difference]: Start difference. First operand 138582 states and 247567 transitions. Second operand 11 states. [2020-12-23 08:55:22,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:22,323 INFO L93 Difference]: Finished difference Result 141003 states and 251440 transitions. [2020-12-23 08:55:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 08:55:22,323 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2020-12-23 08:55:22,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:22,634 INFO L225 Difference]: With dead ends: 141003 [2020-12-23 08:55:22,635 INFO L226 Difference]: Without dead ends: 139274 [2020-12-23 08:55:22,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2020-12-23 08:55:22,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139274 states.