/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/bitvector/s3_srvr_2a_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:32:39,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:32:39,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:32:39,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:32:39,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:32:39,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:32:39,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:32:39,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:32:39,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:32:39,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:32:39,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:32:39,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:32:39,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:32:39,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:32:39,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:32:39,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:32:39,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:32:39,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:32:39,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:32:39,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:32:39,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:32:39,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:32:39,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:32:39,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:32:39,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:32:39,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:32:39,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:32:39,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:32:39,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:32:39,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:32:39,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:32:39,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:32:39,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:32:39,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:32:39,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:32:39,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:32:39,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:32:39,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:32:39,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:32:39,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:32:39,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:32:39,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 11:32:39,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:32:39,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:32:39,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:32:39,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:32:39,206 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:32:39,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:32:39,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:32:39,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:32:39,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:32:39,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:32:39,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:32:39,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:32:39,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:32:39,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:32:39,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:32:39,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:32:39,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:32:39,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:32:39,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:32:39,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:32:39,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:32:39,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:32:39,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:32:39,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:32:39,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:32:39,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:32:39,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:32:39,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:32:39,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:32:39,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:32:39,656 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:32:39,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-01-06 11:32:39,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/16211490b/f75167395377455688d4754d5659be94/FLAGfcd5d3f41 [2021-01-06 11:32:40,362 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:32:40,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-01-06 11:32:40,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/16211490b/f75167395377455688d4754d5659be94/FLAGfcd5d3f41 [2021-01-06 11:32:40,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/16211490b/f75167395377455688d4754d5659be94 [2021-01-06 11:32:40,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:32:40,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:32:40,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:32:40,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:32:40,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:32:40,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:32:40" (1/1) ... [2021-01-06 11:32:40,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e75ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:40, skipping insertion in model container [2021-01-06 11:32:40,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:32:40" (1/1) ... [2021-01-06 11:32:40,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:32:40,748 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~Time~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~got_new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~s__in_handshake~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres69~0,] left hand side expression in assignment: lhs: VariableLHS[~state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__server~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres69~0,] left hand side expression in assignment: lhs: VariableLHS[~s__type~0,] left hand side expression in assignment: lhs: VariableLHS[~buf~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ag_Y~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_accept~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_accept_renegotiate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~got_new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~l~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__use_rsa_tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__use_rsa_tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~num1~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__session__cipher~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_accept_good~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~new_state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__in_handshake~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres69~0,] [2021-01-06 11:32:40,995 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/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44355,44368] left hand side expression in assignment: lhs: VariableLHS[~__retres69~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] [2021-01-06 11:32:41,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:32:41,016 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~Time~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~got_new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~s__in_handshake~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres69~0,] left hand side expression in assignment: lhs: VariableLHS[~state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__server~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres69~0,] left hand side expression in assignment: lhs: VariableLHS[~s__type~0,] left hand side expression in assignment: lhs: VariableLHS[~buf~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ag_Y~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_accept~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_accept_renegotiate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~got_new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~l~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__use_rsa_tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__use_rsa_tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~num1~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__session__cipher~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_accept_good~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~new_state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__in_handshake~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres69~0,] [2021-01-06 11:32:41,088 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/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44355,44368] left hand side expression in assignment: lhs: VariableLHS[~__retres69~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] [2021-01-06 11:32:41,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:32:41,124 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:32:41,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41 WrapperNode [2021-01-06 11:32:41,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:32:41,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:32:41,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:32:41,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:32:41,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:32:41,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:32:41,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:32:41,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:32:41,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... [2021-01-06 11:32:41,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:32:41,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:32:41,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:32:41,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:32:41,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:32:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:32:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:32:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:32:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:32:41,550 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-01-06 11:32:42,184 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-01-06 11:32:42,184 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-01-06 11:32:42,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:32:42,195 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:32:42,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:32:42 BoogieIcfgContainer [2021-01-06 11:32:42,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:32:42,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:32:42,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:32:42,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:32:42,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:32:40" (1/3) ... [2021-01-06 11:32:42,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a6ff85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:32:42, skipping insertion in model container [2021-01-06 11:32:42,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:32:41" (2/3) ... [2021-01-06 11:32:42,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a6ff85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:32:42, skipping insertion in model container [2021-01-06 11:32:42,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:32:42" (3/3) ... [2021-01-06 11:32:42,206 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2021-01-06 11:32:42,213 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:32:42,218 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:32:42,240 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:32:42,267 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:32:42,268 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:32:42,268 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:32:42,268 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:32:42,268 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:32:42,268 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:32:42,268 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:32:42,269 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:32:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2021-01-06 11:32:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 11:32:42,298 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:42,299 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] [2021-01-06 11:32:42,299 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:42,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:42,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1632002022, now seen corresponding path program 1 times [2021-01-06 11:32:42,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:42,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397236534] [2021-01-06 11:32:42,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:32:42,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397236534] [2021-01-06 11:32:42,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:42,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:42,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894422119] [2021-01-06 11:32:42,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:42,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:42,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:42,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:42,606 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2021-01-06 11:32:42,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:42,900 INFO L93 Difference]: Finished difference Result 317 states and 547 transitions. [2021-01-06 11:32:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:42,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 11:32:42,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:42,916 INFO L225 Difference]: With dead ends: 317 [2021-01-06 11:32:42,917 INFO L226 Difference]: Without dead ends: 161 [2021-01-06 11:32:42,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:42,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-01-06 11:32:42,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 156. [2021-01-06 11:32:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2021-01-06 11:32:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 248 transitions. [2021-01-06 11:32:42,978 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 248 transitions. Word has length 44 [2021-01-06 11:32:42,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:42,979 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 248 transitions. [2021-01-06 11:32:42,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:42,979 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 248 transitions. [2021-01-06 11:32:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 11:32:42,982 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:42,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:32:42,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:32:42,983 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:42,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:42,984 INFO L82 PathProgramCache]: Analyzing trace with hash -954580408, now seen corresponding path program 1 times [2021-01-06 11:32:42,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:42,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623644271] [2021-01-06 11:32:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:32:43,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623644271] [2021-01-06 11:32:43,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:43,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:43,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337652182] [2021-01-06 11:32:43,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:43,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:43,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:43,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:43,119 INFO L87 Difference]: Start difference. First operand 156 states and 248 transitions. Second operand 3 states. [2021-01-06 11:32:43,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:43,296 INFO L93 Difference]: Finished difference Result 352 states and 565 transitions. [2021-01-06 11:32:43,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:43,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 11:32:43,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:43,299 INFO L225 Difference]: With dead ends: 352 [2021-01-06 11:32:43,299 INFO L226 Difference]: Without dead ends: 202 [2021-01-06 11:32:43,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:43,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-01-06 11:32:43,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 197. [2021-01-06 11:32:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-01-06 11:32:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 320 transitions. [2021-01-06 11:32:43,319 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 320 transitions. Word has length 45 [2021-01-06 11:32:43,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:43,319 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 320 transitions. [2021-01-06 11:32:43,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 320 transitions. [2021-01-06 11:32:43,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 11:32:43,322 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:43,323 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2021-01-06 11:32:43,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:32:43,323 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:43,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:43,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2033157093, now seen corresponding path program 1 times [2021-01-06 11:32:43,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:43,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134837719] [2021-01-06 11:32:43,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:32:43,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134837719] [2021-01-06 11:32:43,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:43,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:43,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157764036] [2021-01-06 11:32:43,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:43,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:43,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:43,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:43,448 INFO L87 Difference]: Start difference. First operand 197 states and 320 transitions. Second operand 3 states. [2021-01-06 11:32:43,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:43,508 INFO L93 Difference]: Finished difference Result 569 states and 929 transitions. [2021-01-06 11:32:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:43,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-01-06 11:32:43,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:43,514 INFO L225 Difference]: With dead ends: 569 [2021-01-06 11:32:43,515 INFO L226 Difference]: Without dead ends: 380 [2021-01-06 11:32:43,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2021-01-06 11:32:43,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2021-01-06 11:32:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2021-01-06 11:32:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 617 transitions. [2021-01-06 11:32:43,571 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 617 transitions. Word has length 60 [2021-01-06 11:32:43,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:43,572 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 617 transitions. [2021-01-06 11:32:43,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 617 transitions. [2021-01-06 11:32:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 11:32:43,583 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:43,584 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2021-01-06 11:32:43,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:32:43,584 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:43,587 INFO L82 PathProgramCache]: Analyzing trace with hash -2013663709, now seen corresponding path program 1 times [2021-01-06 11:32:43,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:43,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843476417] [2021-01-06 11:32:43,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:32:43,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843476417] [2021-01-06 11:32:43,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:43,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:43,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212337135] [2021-01-06 11:32:43,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:43,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:43,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:43,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:43,656 INFO L87 Difference]: Start difference. First operand 380 states and 617 transitions. Second operand 3 states. [2021-01-06 11:32:43,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:43,692 INFO L93 Difference]: Finished difference Result 938 states and 1528 transitions. [2021-01-06 11:32:43,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:43,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-01-06 11:32:43,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:43,697 INFO L225 Difference]: With dead ends: 938 [2021-01-06 11:32:43,698 INFO L226 Difference]: Without dead ends: 566 [2021-01-06 11:32:43,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:43,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2021-01-06 11:32:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2021-01-06 11:32:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2021-01-06 11:32:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 918 transitions. [2021-01-06 11:32:43,722 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 918 transitions. Word has length 60 [2021-01-06 11:32:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:43,722 INFO L481 AbstractCegarLoop]: Abstraction has 566 states and 918 transitions. [2021-01-06 11:32:43,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:43,723 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 918 transitions. [2021-01-06 11:32:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 11:32:43,726 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:43,726 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:32:43,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:32:43,727 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:43,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:43,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1930486570, now seen corresponding path program 1 times [2021-01-06 11:32:43,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:43,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594236622] [2021-01-06 11:32:43,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 11:32:43,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594236622] [2021-01-06 11:32:43,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:43,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:43,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993699496] [2021-01-06 11:32:43,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:43,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:43,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:43,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:43,841 INFO L87 Difference]: Start difference. First operand 566 states and 918 transitions. Second operand 3 states. [2021-01-06 11:32:44,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:44,008 INFO L93 Difference]: Finished difference Result 1336 states and 2193 transitions. [2021-01-06 11:32:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:44,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 11:32:44,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:44,014 INFO L225 Difference]: With dead ends: 1336 [2021-01-06 11:32:44,014 INFO L226 Difference]: Without dead ends: 778 [2021-01-06 11:32:44,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:44,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2021-01-06 11:32:44,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 766. [2021-01-06 11:32:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2021-01-06 11:32:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1118 transitions. [2021-01-06 11:32:44,038 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1118 transitions. Word has length 97 [2021-01-06 11:32:44,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:44,038 INFO L481 AbstractCegarLoop]: Abstraction has 766 states and 1118 transitions. [2021-01-06 11:32:44,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1118 transitions. [2021-01-06 11:32:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 11:32:44,041 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:44,041 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:32:44,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 11:32:44,042 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:44,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:44,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1496757484, now seen corresponding path program 1 times [2021-01-06 11:32:44,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:44,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905581002] [2021-01-06 11:32:44,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 11:32:44,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905581002] [2021-01-06 11:32:44,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:44,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:44,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312261611] [2021-01-06 11:32:44,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:44,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:44,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:44,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:44,122 INFO L87 Difference]: Start difference. First operand 766 states and 1118 transitions. Second operand 3 states. [2021-01-06 11:32:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:44,302 INFO L93 Difference]: Finished difference Result 1653 states and 2450 transitions. [2021-01-06 11:32:44,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:44,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 11:32:44,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:44,309 INFO L225 Difference]: With dead ends: 1653 [2021-01-06 11:32:44,309 INFO L226 Difference]: Without dead ends: 895 [2021-01-06 11:32:44,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:44,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2021-01-06 11:32:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 859. [2021-01-06 11:32:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2021-01-06 11:32:44,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1250 transitions. [2021-01-06 11:32:44,349 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1250 transitions. Word has length 97 [2021-01-06 11:32:44,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:44,351 INFO L481 AbstractCegarLoop]: Abstraction has 859 states and 1250 transitions. [2021-01-06 11:32:44,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1250 transitions. [2021-01-06 11:32:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-01-06 11:32:44,360 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:44,361 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:44,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 11:32:44,365 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:44,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:44,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1340556462, now seen corresponding path program 1 times [2021-01-06 11:32:44,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:44,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784673814] [2021-01-06 11:32:44,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-01-06 11:32:44,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784673814] [2021-01-06 11:32:44,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:44,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:44,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802227581] [2021-01-06 11:32:44,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:44,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:44,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:44,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:44,527 INFO L87 Difference]: Start difference. First operand 859 states and 1250 transitions. Second operand 3 states. [2021-01-06 11:32:44,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:44,573 INFO L93 Difference]: Finished difference Result 1159 states and 1692 transitions. [2021-01-06 11:32:44,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:44,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2021-01-06 11:32:44,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:44,580 INFO L225 Difference]: With dead ends: 1159 [2021-01-06 11:32:44,580 INFO L226 Difference]: Without dead ends: 1157 [2021-01-06 11:32:44,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:44,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-01-06 11:32:44,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1157. [2021-01-06 11:32:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1157 states. [2021-01-06 11:32:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1690 transitions. [2021-01-06 11:32:44,613 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1690 transitions. Word has length 121 [2021-01-06 11:32:44,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:44,614 INFO L481 AbstractCegarLoop]: Abstraction has 1157 states and 1690 transitions. [2021-01-06 11:32:44,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1690 transitions. [2021-01-06 11:32:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-01-06 11:32:44,618 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:44,618 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:44,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 11:32:44,618 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:44,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:44,619 INFO L82 PathProgramCache]: Analyzing trace with hash -678763236, now seen corresponding path program 1 times [2021-01-06 11:32:44,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:44,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593216119] [2021-01-06 11:32:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-01-06 11:32:44,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593216119] [2021-01-06 11:32:44,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:44,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:44,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514950690] [2021-01-06 11:32:44,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:44,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:44,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:44,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:44,696 INFO L87 Difference]: Start difference. First operand 1157 states and 1690 transitions. Second operand 3 states. [2021-01-06 11:32:44,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:44,828 INFO L93 Difference]: Finished difference Result 2387 states and 3471 transitions. [2021-01-06 11:32:44,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:44,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2021-01-06 11:32:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:44,836 INFO L225 Difference]: With dead ends: 2387 [2021-01-06 11:32:44,836 INFO L226 Difference]: Without dead ends: 1238 [2021-01-06 11:32:44,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:44,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2021-01-06 11:32:44,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1226. [2021-01-06 11:32:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1226 states. [2021-01-06 11:32:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1774 transitions. [2021-01-06 11:32:44,871 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1774 transitions. Word has length 169 [2021-01-06 11:32:44,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:44,871 INFO L481 AbstractCegarLoop]: Abstraction has 1226 states and 1774 transitions. [2021-01-06 11:32:44,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1774 transitions. [2021-01-06 11:32:44,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-01-06 11:32:44,875 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:44,875 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:44,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 11:32:44,876 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:44,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:44,877 INFO L82 PathProgramCache]: Analyzing trace with hash 329404426, now seen corresponding path program 1 times [2021-01-06 11:32:44,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:44,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097249167] [2021-01-06 11:32:44,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-01-06 11:32:44,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097249167] [2021-01-06 11:32:44,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:44,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:44,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897590586] [2021-01-06 11:32:44,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:44,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:44,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:44,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:44,963 INFO L87 Difference]: Start difference. First operand 1226 states and 1774 transitions. Second operand 3 states. [2021-01-06 11:32:45,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:45,116 INFO L93 Difference]: Finished difference Result 2592 states and 3748 transitions. [2021-01-06 11:32:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:45,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2021-01-06 11:32:45,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:45,123 INFO L225 Difference]: With dead ends: 2592 [2021-01-06 11:32:45,124 INFO L226 Difference]: Without dead ends: 1374 [2021-01-06 11:32:45,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:45,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2021-01-06 11:32:45,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1326. [2021-01-06 11:32:45,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2021-01-06 11:32:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1894 transitions. [2021-01-06 11:32:45,167 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1894 transitions. Word has length 189 [2021-01-06 11:32:45,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:45,168 INFO L481 AbstractCegarLoop]: Abstraction has 1326 states and 1894 transitions. [2021-01-06 11:32:45,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1894 transitions. [2021-01-06 11:32:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-01-06 11:32:45,173 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:45,173 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:45,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 11:32:45,174 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:45,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:45,174 INFO L82 PathProgramCache]: Analyzing trace with hash 584189022, now seen corresponding path program 1 times [2021-01-06 11:32:45,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:45,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640668537] [2021-01-06 11:32:45,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-01-06 11:32:45,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640668537] [2021-01-06 11:32:45,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:45,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:45,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185908225] [2021-01-06 11:32:45,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:45,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:45,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:45,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:45,304 INFO L87 Difference]: Start difference. First operand 1326 states and 1894 transitions. Second operand 3 states. [2021-01-06 11:32:45,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:45,441 INFO L93 Difference]: Finished difference Result 2780 states and 3972 transitions. [2021-01-06 11:32:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:45,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2021-01-06 11:32:45,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:45,450 INFO L225 Difference]: With dead ends: 2780 [2021-01-06 11:32:45,450 INFO L226 Difference]: Without dead ends: 1462 [2021-01-06 11:32:45,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:45,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2021-01-06 11:32:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1434. [2021-01-06 11:32:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2021-01-06 11:32:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2022 transitions. [2021-01-06 11:32:45,503 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2022 transitions. Word has length 215 [2021-01-06 11:32:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:45,504 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 2022 transitions. [2021-01-06 11:32:45,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2022 transitions. [2021-01-06 11:32:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-01-06 11:32:45,508 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:45,509 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:45,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 11:32:45,509 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:45,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:45,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1191782432, now seen corresponding path program 1 times [2021-01-06 11:32:45,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:45,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455509010] [2021-01-06 11:32:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-01-06 11:32:45,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455509010] [2021-01-06 11:32:45,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:45,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:45,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470697103] [2021-01-06 11:32:45,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:45,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:45,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:45,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:45,658 INFO L87 Difference]: Start difference. First operand 1434 states and 2022 transitions. Second operand 3 states. [2021-01-06 11:32:45,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:45,754 INFO L93 Difference]: Finished difference Result 4278 states and 6030 transitions. [2021-01-06 11:32:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:45,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2021-01-06 11:32:45,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:45,774 INFO L225 Difference]: With dead ends: 4278 [2021-01-06 11:32:45,774 INFO L226 Difference]: Without dead ends: 2852 [2021-01-06 11:32:45,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:45,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2021-01-06 11:32:45,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2850. [2021-01-06 11:32:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2850 states. [2021-01-06 11:32:45,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 4011 transitions. [2021-01-06 11:32:45,912 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 4011 transitions. Word has length 216 [2021-01-06 11:32:45,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:45,913 INFO L481 AbstractCegarLoop]: Abstraction has 2850 states and 4011 transitions. [2021-01-06 11:32:45,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 4011 transitions. [2021-01-06 11:32:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-01-06 11:32:45,924 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:45,924 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:45,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 11:32:45,925 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:45,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:45,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1799998471, now seen corresponding path program 1 times [2021-01-06 11:32:45,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:45,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010390283] [2021-01-06 11:32:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-01-06 11:32:46,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010390283] [2021-01-06 11:32:46,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:46,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:46,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714918400] [2021-01-06 11:32:46,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:46,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:46,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:46,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:46,070 INFO L87 Difference]: Start difference. First operand 2850 states and 4011 transitions. Second operand 3 states. [2021-01-06 11:32:46,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:46,307 INFO L93 Difference]: Finished difference Result 6020 states and 8586 transitions. [2021-01-06 11:32:46,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:46,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2021-01-06 11:32:46,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:46,323 INFO L225 Difference]: With dead ends: 6020 [2021-01-06 11:32:46,323 INFO L226 Difference]: Without dead ends: 3098 [2021-01-06 11:32:46,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:46,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3098 states. [2021-01-06 11:32:46,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3098 to 3098. [2021-01-06 11:32:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3098 states. [2021-01-06 11:32:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4299 transitions. [2021-01-06 11:32:46,424 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4299 transitions. Word has length 217 [2021-01-06 11:32:46,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:46,425 INFO L481 AbstractCegarLoop]: Abstraction has 3098 states and 4299 transitions. [2021-01-06 11:32:46,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4299 transitions. [2021-01-06 11:32:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-01-06 11:32:46,434 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:46,434 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-01-06 11:32:46,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 11:32:46,435 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:46,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:46,435 INFO L82 PathProgramCache]: Analyzing trace with hash 753394570, now seen corresponding path program 1 times [2021-01-06 11:32:46,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:46,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840453657] [2021-01-06 11:32:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-01-06 11:32:46,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840453657] [2021-01-06 11:32:46,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:46,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:46,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028191543] [2021-01-06 11:32:46,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:46,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:46,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:46,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:46,559 INFO L87 Difference]: Start difference. First operand 3098 states and 4299 transitions. Second operand 3 states. [2021-01-06 11:32:46,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:46,767 INFO L93 Difference]: Finished difference Result 6436 states and 8930 transitions. [2021-01-06 11:32:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:46,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2021-01-06 11:32:46,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:46,785 INFO L225 Difference]: With dead ends: 6436 [2021-01-06 11:32:46,785 INFO L226 Difference]: Without dead ends: 3346 [2021-01-06 11:32:46,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:46,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3346 states. [2021-01-06 11:32:46,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3346 to 3330. [2021-01-06 11:32:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3330 states. [2021-01-06 11:32:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 3330 states and 4571 transitions. [2021-01-06 11:32:46,892 INFO L78 Accepts]: Start accepts. Automaton has 3330 states and 4571 transitions. Word has length 242 [2021-01-06 11:32:46,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:46,892 INFO L481 AbstractCegarLoop]: Abstraction has 3330 states and 4571 transitions. [2021-01-06 11:32:46,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 4571 transitions. [2021-01-06 11:32:46,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-01-06 11:32:46,901 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:46,901 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-01-06 11:32:46,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 11:32:46,902 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:46,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:46,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1971337506, now seen corresponding path program 1 times [2021-01-06 11:32:46,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:46,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049284534] [2021-01-06 11:32:46,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-01-06 11:32:47,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049284534] [2021-01-06 11:32:47,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524359873] [2021-01-06 11:32:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:47,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:32:47,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:32:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-01-06 11:32:47,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:32:47,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-01-06 11:32:47,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852580807] [2021-01-06 11:32:47,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:47,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:47,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:47,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:47,441 INFO L87 Difference]: Start difference. First operand 3330 states and 4571 transitions. Second operand 3 states. [2021-01-06 11:32:47,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:47,573 INFO L93 Difference]: Finished difference Result 6732 states and 9278 transitions. [2021-01-06 11:32:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:47,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2021-01-06 11:32:47,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:47,595 INFO L225 Difference]: With dead ends: 6732 [2021-01-06 11:32:47,595 INFO L226 Difference]: Without dead ends: 4194 [2021-01-06 11:32:47,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:47,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4194 states. [2021-01-06 11:32:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4194 to 4194. [2021-01-06 11:32:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4194 states. [2021-01-06 11:32:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 4194 states and 5764 transitions. [2021-01-06 11:32:47,741 INFO L78 Accepts]: Start accepts. Automaton has 4194 states and 5764 transitions. Word has length 245 [2021-01-06 11:32:47,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:47,742 INFO L481 AbstractCegarLoop]: Abstraction has 4194 states and 5764 transitions. [2021-01-06 11:32:47,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 5764 transitions. [2021-01-06 11:32:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-01-06 11:32:47,754 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:47,754 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:47,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-06 11:32:47,970 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:47,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:47,971 INFO L82 PathProgramCache]: Analyzing trace with hash -482554043, now seen corresponding path program 1 times [2021-01-06 11:32:47,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:47,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455062260] [2021-01-06 11:32:47,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-01-06 11:32:48,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455062260] [2021-01-06 11:32:48,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915763196] [2021-01-06 11:32:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:48,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 11:32:48,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:32:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-01-06 11:32:48,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 11:32:48,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 11:32:48,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984868947] [2021-01-06 11:32:48,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:32:48,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:48,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:32:48,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:32:48,537 INFO L87 Difference]: Start difference. First operand 4194 states and 5764 transitions. Second operand 4 states. [2021-01-06 11:32:48,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:48,921 INFO L93 Difference]: Finished difference Result 10566 states and 14485 transitions. [2021-01-06 11:32:48,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 11:32:48,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 253 [2021-01-06 11:32:48,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:48,954 INFO L225 Difference]: With dead ends: 10566 [2021-01-06 11:32:48,954 INFO L226 Difference]: Without dead ends: 6380 [2021-01-06 11:32:48,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:48,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6380 states. [2021-01-06 11:32:49,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6380 to 5344. [2021-01-06 11:32:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2021-01-06 11:32:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 7104 transitions. [2021-01-06 11:32:49,163 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 7104 transitions. Word has length 253 [2021-01-06 11:32:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:49,163 INFO L481 AbstractCegarLoop]: Abstraction has 5344 states and 7104 transitions. [2021-01-06 11:32:49,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:32:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 7104 transitions. [2021-01-06 11:32:49,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-01-06 11:32:49,178 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:49,178 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:49,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-01-06 11:32:49,392 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:49,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:49,392 INFO L82 PathProgramCache]: Analyzing trace with hash -193734653, now seen corresponding path program 1 times [2021-01-06 11:32:49,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:49,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539966595] [2021-01-06 11:32:49,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-01-06 11:32:49,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539966595] [2021-01-06 11:32:49,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:49,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:49,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855812629] [2021-01-06 11:32:49,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:49,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:49,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:49,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:49,550 INFO L87 Difference]: Start difference. First operand 5344 states and 7104 transitions. Second operand 3 states. [2021-01-06 11:32:49,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:49,720 INFO L93 Difference]: Finished difference Result 14928 states and 20010 transitions. [2021-01-06 11:32:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:49,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2021-01-06 11:32:49,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:49,743 INFO L225 Difference]: With dead ends: 14928 [2021-01-06 11:32:49,743 INFO L226 Difference]: Without dead ends: 6278 [2021-01-06 11:32:49,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:49,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6278 states. [2021-01-06 11:32:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6278 to 5937. [2021-01-06 11:32:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5937 states. [2021-01-06 11:32:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5937 states to 5937 states and 8016 transitions. [2021-01-06 11:32:49,927 INFO L78 Accepts]: Start accepts. Automaton has 5937 states and 8016 transitions. Word has length 253 [2021-01-06 11:32:49,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:49,927 INFO L481 AbstractCegarLoop]: Abstraction has 5937 states and 8016 transitions. [2021-01-06 11:32:49,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5937 states and 8016 transitions. [2021-01-06 11:32:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-01-06 11:32:49,942 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:49,942 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:49,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 11:32:49,943 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:49,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:49,943 INFO L82 PathProgramCache]: Analyzing trace with hash 209922624, now seen corresponding path program 1 times [2021-01-06 11:32:49,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:49,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850277091] [2021-01-06 11:32:49,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 871 proven. 26 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-01-06 11:32:50,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850277091] [2021-01-06 11:32:50,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566575697] [2021-01-06 11:32:50,162 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:50,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 11:32:50,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:32:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2021-01-06 11:32:50,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:32:50,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-01-06 11:32:50,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807042270] [2021-01-06 11:32:50,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:50,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:50,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:50,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:50,664 INFO L87 Difference]: Start difference. First operand 5937 states and 8016 transitions. Second operand 3 states. [2021-01-06 11:32:50,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:50,768 INFO L93 Difference]: Finished difference Result 7465 states and 10097 transitions. [2021-01-06 11:32:50,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:50,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2021-01-06 11:32:50,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:50,783 INFO L225 Difference]: With dead ends: 7465 [2021-01-06 11:32:50,783 INFO L226 Difference]: Without dead ends: 6072 [2021-01-06 11:32:50,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6072 states. [2021-01-06 11:32:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6072 to 4546. [2021-01-06 11:32:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4546 states. [2021-01-06 11:32:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4546 states to 4546 states and 6138 transitions. [2021-01-06 11:32:50,921 INFO L78 Accepts]: Start accepts. Automaton has 4546 states and 6138 transitions. Word has length 355 [2021-01-06 11:32:50,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:50,922 INFO L481 AbstractCegarLoop]: Abstraction has 4546 states and 6138 transitions. [2021-01-06 11:32:50,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 6138 transitions. [2021-01-06 11:32:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-01-06 11:32:50,938 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:50,939 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:51,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-06 11:32:51,154 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:51,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:51,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1965226690, now seen corresponding path program 1 times [2021-01-06 11:32:51,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:51,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325671330] [2021-01-06 11:32:51,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2021-01-06 11:32:51,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325671330] [2021-01-06 11:32:51,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458845943] [2021-01-06 11:32:51,481 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:51,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 11:32:51,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:32:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2021-01-06 11:32:52,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 11:32:52,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 11:32:52,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774980260] [2021-01-06 11:32:52,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:32:52,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:52,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:32:52,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:32:52,112 INFO L87 Difference]: Start difference. First operand 4546 states and 6138 transitions. Second operand 4 states. [2021-01-06 11:32:52,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:52,491 INFO L93 Difference]: Finished difference Result 10556 states and 14263 transitions. [2021-01-06 11:32:52,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 11:32:52,492 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 417 [2021-01-06 11:32:52,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:52,505 INFO L225 Difference]: With dead ends: 10556 [2021-01-06 11:32:52,505 INFO L226 Difference]: Without dead ends: 5800 [2021-01-06 11:32:52,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:52,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2021-01-06 11:32:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 4468. [2021-01-06 11:32:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4468 states. [2021-01-06 11:32:52,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 5914 transitions. [2021-01-06 11:32:52,643 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 5914 transitions. Word has length 417 [2021-01-06 11:32:52,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:52,644 INFO L481 AbstractCegarLoop]: Abstraction has 4468 states and 5914 transitions. [2021-01-06 11:32:52,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:32:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 5914 transitions. [2021-01-06 11:32:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-01-06 11:32:52,655 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:52,655 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:52,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-01-06 11:32:52,870 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:52,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:52,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1847127812, now seen corresponding path program 1 times [2021-01-06 11:32:52,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:52,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490908872] [2021-01-06 11:32:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1354 proven. 13 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2021-01-06 11:32:53,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490908872] [2021-01-06 11:32:53,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544337279] [2021-01-06 11:32:53,116 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:53,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 11:32:53,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:32:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1354 proven. 13 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2021-01-06 11:32:53,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 11:32:53,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 11:32:53,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886904182] [2021-01-06 11:32:53,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:32:53,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:53,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:32:53,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:32:53,584 INFO L87 Difference]: Start difference. First operand 4468 states and 5914 transitions. Second operand 4 states. [2021-01-06 11:32:54,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:54,079 INFO L93 Difference]: Finished difference Result 13062 states and 17276 transitions. [2021-01-06 11:32:54,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 11:32:54,079 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 449 [2021-01-06 11:32:54,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:54,100 INFO L225 Difference]: With dead ends: 13062 [2021-01-06 11:32:54,100 INFO L226 Difference]: Without dead ends: 8944 [2021-01-06 11:32:54,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:54,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8944 states. [2021-01-06 11:32:54,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8944 to 6166. [2021-01-06 11:32:54,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6166 states. [2021-01-06 11:32:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6166 states to 6166 states and 8160 transitions. [2021-01-06 11:32:54,329 INFO L78 Accepts]: Start accepts. Automaton has 6166 states and 8160 transitions. Word has length 449 [2021-01-06 11:32:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:54,329 INFO L481 AbstractCegarLoop]: Abstraction has 6166 states and 8160 transitions. [2021-01-06 11:32:54,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:32:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 6166 states and 8160 transitions. [2021-01-06 11:32:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2021-01-06 11:32:54,350 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:54,351 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:54,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:54,565 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:54,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:54,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1859160189, now seen corresponding path program 1 times [2021-01-06 11:32:54,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:54,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140310606] [2021-01-06 11:32:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 1662 proven. 0 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2021-01-06 11:32:54,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140310606] [2021-01-06 11:32:54,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:32:54,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:32:54,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7994654] [2021-01-06 11:32:54,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:54,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:54,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:54,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:54,799 INFO L87 Difference]: Start difference. First operand 6166 states and 8160 transitions. Second operand 3 states. [2021-01-06 11:32:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:55,029 INFO L93 Difference]: Finished difference Result 13116 states and 17276 transitions. [2021-01-06 11:32:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:55,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 494 [2021-01-06 11:32:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:55,045 INFO L225 Difference]: With dead ends: 13116 [2021-01-06 11:32:55,045 INFO L226 Difference]: Without dead ends: 6958 [2021-01-06 11:32:55,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:32:55,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6958 states. [2021-01-06 11:32:55,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6958 to 6914. [2021-01-06 11:32:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6914 states. [2021-01-06 11:32:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6914 states to 6914 states and 9018 transitions. [2021-01-06 11:32:55,312 INFO L78 Accepts]: Start accepts. Automaton has 6914 states and 9018 transitions. Word has length 494 [2021-01-06 11:32:55,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:55,313 INFO L481 AbstractCegarLoop]: Abstraction has 6914 states and 9018 transitions. [2021-01-06 11:32:55,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 6914 states and 9018 transitions. [2021-01-06 11:32:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-01-06 11:32:55,331 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:55,331 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:55,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 11:32:55,332 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:55,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:55,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1529804208, now seen corresponding path program 1 times [2021-01-06 11:32:55,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:55,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996169799] [2021-01-06 11:32:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3138 backedges. 1660 proven. 77 refuted. 0 times theorem prover too weak. 1401 trivial. 0 not checked. [2021-01-06 11:32:55,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996169799] [2021-01-06 11:32:55,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080908717] [2021-01-06 11:32:55,668 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:55,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:32:55,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:32:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3138 backedges. 1671 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2021-01-06 11:32:56,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:32:56,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-01-06 11:32:56,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649103727] [2021-01-06 11:32:56,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:32:56,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:56,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:32:56,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:56,187 INFO L87 Difference]: Start difference. First operand 6914 states and 9018 transitions. Second operand 3 states. [2021-01-06 11:32:56,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:32:56,431 INFO L93 Difference]: Finished difference Result 14256 states and 18725 transitions. [2021-01-06 11:32:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:32:56,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 509 [2021-01-06 11:32:56,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:32:56,448 INFO L225 Difference]: With dead ends: 14256 [2021-01-06 11:32:56,448 INFO L226 Difference]: Without dead ends: 7350 [2021-01-06 11:32:56,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:32:56,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7350 states. [2021-01-06 11:32:56,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7350 to 7238. [2021-01-06 11:32:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7238 states. [2021-01-06 11:32:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7238 states to 7238 states and 9513 transitions. [2021-01-06 11:32:56,647 INFO L78 Accepts]: Start accepts. Automaton has 7238 states and 9513 transitions. Word has length 509 [2021-01-06 11:32:56,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:32:56,648 INFO L481 AbstractCegarLoop]: Abstraction has 7238 states and 9513 transitions. [2021-01-06 11:32:56,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:32:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 7238 states and 9513 transitions. [2021-01-06 11:32:56,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-01-06 11:32:56,667 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:32:56,668 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:32:56,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:56,882 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:32:56,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:32:56,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1911316890, now seen corresponding path program 1 times [2021-01-06 11:32:56,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:32:56,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378915840] [2021-01-06 11:32:56,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:32:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1744 proven. 206 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2021-01-06 11:32:57,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378915840] [2021-01-06 11:32:57,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387522290] [2021-01-06 11:32:57,778 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:32:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:32:57,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 11:32:57,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:32:58,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 11:32:58,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 11:32:58,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 11:32:58,324 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 11:32:58,427 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 11:32:58,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 11:32:58,534 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 11:32:58,601 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 11:32:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1792 proven. 239 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-01-06 11:32:59,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 11:32:59,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-01-06 11:32:59,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724592705] [2021-01-06 11:32:59,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 11:32:59,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:32:59,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 11:32:59,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-06 11:32:59,434 INFO L87 Difference]: Start difference. First operand 7238 states and 9513 transitions. Second operand 8 states. [2021-01-06 11:33:02,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:33:02,132 INFO L93 Difference]: Finished difference Result 25064 states and 32856 transitions. [2021-01-06 11:33:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-06 11:33:02,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 513 [2021-01-06 11:33:02,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:33:02,174 INFO L225 Difference]: With dead ends: 25064 [2021-01-06 11:33:02,174 INFO L226 Difference]: Without dead ends: 17173 [2021-01-06 11:33:02,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-01-06 11:33:02,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17173 states. [2021-01-06 11:33:02,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17173 to 16106. [2021-01-06 11:33:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16106 states. [2021-01-06 11:33:02,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16106 states to 16106 states and 20282 transitions. [2021-01-06 11:33:02,721 INFO L78 Accepts]: Start accepts. Automaton has 16106 states and 20282 transitions. Word has length 513 [2021-01-06 11:33:02,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:33:02,722 INFO L481 AbstractCegarLoop]: Abstraction has 16106 states and 20282 transitions. [2021-01-06 11:33:02,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 11:33:02,722 INFO L276 IsEmpty]: Start isEmpty. Operand 16106 states and 20282 transitions. [2021-01-06 11:33:02,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2021-01-06 11:33:02,752 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:33:02,753 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:33:02,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:33:02,967 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:33:02,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:33:02,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1119542612, now seen corresponding path program 2 times [2021-01-06 11:33:02,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:33:02,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516767461] [2021-01-06 11:33:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:33:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:33:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3616 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 2756 trivial. 0 not checked. [2021-01-06 11:33:03,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516767461] [2021-01-06 11:33:03,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:33:03,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:33:03,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367622951] [2021-01-06 11:33:03,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:33:03,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:33:03,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:33:03,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:33:03,259 INFO L87 Difference]: Start difference. First operand 16106 states and 20282 transitions. Second operand 3 states. [2021-01-06 11:33:03,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:33:03,709 INFO L93 Difference]: Finished difference Result 32180 states and 40506 transitions. [2021-01-06 11:33:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:33:03,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 543 [2021-01-06 11:33:03,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:33:03,739 INFO L225 Difference]: With dead ends: 32180 [2021-01-06 11:33:03,739 INFO L226 Difference]: Without dead ends: 16096 [2021-01-06 11:33:03,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:33:03,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16096 states. [2021-01-06 11:33:04,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16096 to 15436. [2021-01-06 11:33:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15436 states. [2021-01-06 11:33:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15436 states to 15436 states and 19255 transitions. [2021-01-06 11:33:04,272 INFO L78 Accepts]: Start accepts. Automaton has 15436 states and 19255 transitions. Word has length 543 [2021-01-06 11:33:04,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:33:04,272 INFO L481 AbstractCegarLoop]: Abstraction has 15436 states and 19255 transitions. [2021-01-06 11:33:04,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:33:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 15436 states and 19255 transitions. [2021-01-06 11:33:04,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-01-06 11:33:04,295 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:33:04,295 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 11, 11, 8, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:33:04,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 11:33:04,296 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:33:04,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:33:04,296 INFO L82 PathProgramCache]: Analyzing trace with hash 953210429, now seen corresponding path program 1 times [2021-01-06 11:33:04,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:33:04,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358128299] [2021-01-06 11:33:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:33:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:33:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 2204 proven. 0 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2021-01-06 11:33:04,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358128299] [2021-01-06 11:33:04,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:33:04,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:33:04,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654540438] [2021-01-06 11:33:04,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:33:04,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:33:04,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:33:04,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:33:04,686 INFO L87 Difference]: Start difference. First operand 15436 states and 19255 transitions. Second operand 3 states. [2021-01-06 11:33:05,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:33:05,041 INFO L93 Difference]: Finished difference Result 30752 states and 38316 transitions. [2021-01-06 11:33:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:33:05,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 581 [2021-01-06 11:33:05,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:33:05,067 INFO L225 Difference]: With dead ends: 30752 [2021-01-06 11:33:05,067 INFO L226 Difference]: Without dead ends: 15416 [2021-01-06 11:33:05,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:33:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15416 states. [2021-01-06 11:33:05,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15416 to 13882. [2021-01-06 11:33:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13882 states. [2021-01-06 11:33:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13882 states to 13882 states and 17254 transitions. [2021-01-06 11:33:05,528 INFO L78 Accepts]: Start accepts. Automaton has 13882 states and 17254 transitions. Word has length 581 [2021-01-06 11:33:05,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:33:05,529 INFO L481 AbstractCegarLoop]: Abstraction has 13882 states and 17254 transitions. [2021-01-06 11:33:05,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:33:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 13882 states and 17254 transitions. [2021-01-06 11:33:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2021-01-06 11:33:05,549 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:33:05,550 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 11:33:05,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 11:33:05,550 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:33:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:33:05,551 INFO L82 PathProgramCache]: Analyzing trace with hash 944376353, now seen corresponding path program 3 times [2021-01-06 11:33:05,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:33:05,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367711405] [2021-01-06 11:33:05,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:33:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:33:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4078 backedges. 1321 proven. 16 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2021-01-06 11:33:05,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367711405] [2021-01-06 11:33:05,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535175437] [2021-01-06 11:33:05,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:33:06,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-01-06 11:33:06,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:33:06,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 11:33:06,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:33:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4078 backedges. 2395 proven. 16 refuted. 0 times theorem prover too weak. 1667 trivial. 0 not checked. [2021-01-06 11:33:06,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 11:33:06,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 11:33:06,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018335481] [2021-01-06 11:33:06,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:33:06,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:33:06,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:33:06,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:33:06,507 INFO L87 Difference]: Start difference. First operand 13882 states and 17254 transitions. Second operand 4 states. [2021-01-06 11:33:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:33:06,838 INFO L93 Difference]: Finished difference Result 20691 states and 25770 transitions. [2021-01-06 11:33:06,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 11:33:06,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 583 [2021-01-06 11:33:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:33:06,839 INFO L225 Difference]: With dead ends: 20691 [2021-01-06 11:33:06,840 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 11:33:06,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:33:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 11:33:06,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 11:33:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 11:33:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 11:33:06,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 583 [2021-01-06 11:33:06,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:33:06,850 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 11:33:06,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:33:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 11:33:06,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 11:33:07,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-01-06 11:33:07,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 11:33:07,515 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 116 [2021-01-06 11:33:07,706 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 119 [2021-01-06 11:33:10,032 WARN L197 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 779 DAG size of output: 316 [2021-01-06 11:33:11,550 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 778 DAG size of output: 315 [2021-01-06 11:33:11,780 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2021-01-06 11:33:11,957 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-06 11:33:12,275 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2021-01-06 11:33:12,786 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 54 [2021-01-06 11:33:13,004 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2021-01-06 11:33:13,285 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 40 [2021-01-06 11:33:13,527 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 34 [2021-01-06 11:33:13,905 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2021-01-06 11:33:16,353 WARN L197 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 251 DAG size of output: 87 [2021-01-06 11:33:16,541 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2021-01-06 11:33:16,803 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2021-01-06 11:33:17,089 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2021-01-06 11:33:17,422 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2021-01-06 11:33:17,635 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 40 [2021-01-06 11:33:17,894 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2021-01-06 11:33:18,192 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 44 [2021-01-06 11:33:18,383 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2021-01-06 11:33:18,720 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2021-01-06 11:33:18,925 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 43 [2021-01-06 11:33:21,307 WARN L197 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 250 DAG size of output: 87 [2021-01-06 11:33:21,311 INFO L189 CegarLoopUtils]: For program point L630(lines 630 654) no Hoare annotation was computed. [2021-01-06 11:33:21,312 INFO L189 CegarLoopUtils]: For program point L564(lines 564 568) no Hoare annotation was computed. [2021-01-06 11:33:21,312 INFO L189 CegarLoopUtils]: For program point L531(lines 531 535) no Hoare annotation was computed. [2021-01-06 11:33:21,312 INFO L189 CegarLoopUtils]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-01-06 11:33:21,312 INFO L189 CegarLoopUtils]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2021-01-06 11:33:21,312 INFO L189 CegarLoopUtils]: For program point L531-2(lines 213 590) no Hoare annotation was computed. [2021-01-06 11:33:21,313 INFO L189 CegarLoopUtils]: For program point L366(lines 366 370) no Hoare annotation was computed. [2021-01-06 11:33:21,313 INFO L189 CegarLoopUtils]: For program point L366-2(lines 365 382) no Hoare annotation was computed. [2021-01-06 11:33:21,313 INFO L189 CegarLoopUtils]: For program point L664(lines 664 668) no Hoare annotation was computed. [2021-01-06 11:33:21,313 INFO L189 CegarLoopUtils]: For program point L631(lines 631 640) no Hoare annotation was computed. [2021-01-06 11:33:21,313 INFO L189 CegarLoopUtils]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2021-01-06 11:33:21,314 INFO L189 CegarLoopUtils]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2021-01-06 11:33:21,314 INFO L189 CegarLoopUtils]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-01-06 11:33:21,314 INFO L189 CegarLoopUtils]: For program point L334-1(lines 334 343) no Hoare annotation was computed. [2021-01-06 11:33:21,314 INFO L189 CegarLoopUtils]: For program point L235(lines 235 240) no Hoare annotation was computed. [2021-01-06 11:33:21,314 INFO L189 CegarLoopUtils]: For program point L202(lines 202 596) no Hoare annotation was computed. [2021-01-06 11:33:21,314 INFO L189 CegarLoopUtils]: For program point L169(lines 169 607) no Hoare annotation was computed. [2021-01-06 11:33:21,314 INFO L189 CegarLoopUtils]: For program point L136(lines 136 618) no Hoare annotation was computed. [2021-01-06 11:33:21,315 INFO L185 CegarLoopUtils]: At program point L103-2(lines 103 659) the Hoare annotation is: (let ((.cse9 (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2))) (.cse20 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse8 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse16 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse17 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse19 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse15 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (.cse14 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse11 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse18 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (not .cse20)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (let ((.cse21 (mod .cse9 4294967296))) (or (<= .cse21 8496) (< 2147483647 .cse21)))) (.cse4 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (and .cse2 .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse7 .cse3 .cse8) (and (= .cse9 (+ ULTIMATE.start_ssl3_accept_~s__state~0 (* (div .cse9 4294967296) 4294967296))) .cse3) (and .cse2 .cse10 .cse11 .cse12) (and .cse0 .cse6 .cse1 .cse13) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) (and .cse14 .cse7 .cse3) (and .cse3 (= 8466 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse1 .cse3) (and .cse0 .cse1 .cse15) (and .cse6 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0) .cse3 .cse16 .cse8) (and .cse0 .cse6 .cse1 .cse16) (and .cse0 .cse12) (and .cse3 .cse17) (and .cse3 .cse13) (and .cse0 .cse6 .cse1 .cse17) (and .cse10 .cse7 .cse18 .cse12) (and .cse0 .cse1 .cse19) (and .cse3 .cse19) (and .cse3 .cse15) (and .cse14 .cse1 .cse10 .cse7 .cse20) (and .cse6 .cse2 .cse1 .cse10 .cse11) (and .cse0 .cse1 .cse5) (and .cse10 .cse4 .cse18 .cse12) (and .cse0 .cse6 .cse2 .cse1 .cse4)))) [2021-01-06 11:33:21,315 INFO L185 CegarLoopUtils]: At program point L170(lines 169 607) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse2 (not .cse6)) (.cse5 (let ((.cse9 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse9 8496) (< 2147483647 .cse9)))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1))) (or (and .cse0 .cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (and .cse3 .cse1 .cse4) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1) (and .cse3 .cse5 .cse0 .cse1 .cse6) (and .cse7 .cse8 .cse5 .cse1) (and .cse7 .cse1 .cse2) (and .cse5 .cse1 .cse4) (and .cse8 .cse1 .cse4 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))))) [2021-01-06 11:33:21,315 INFO L185 CegarLoopUtils]: At program point L137(lines 130 620) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (let ((.cse6 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse6 8496) (< 2147483647 .cse6)))) (.cse2 (< 0 (let ((.cse5 (* (div (* ULTIMATE.start_ssl3_accept_~s__state~0 (- 1)) (- 2)) (- 1)))) (+ (div (+ .cse5 2147483647) 2147483648) (div (+ .cse5 4248) 2147483648) 1))))) (or (and .cse0 .cse1 .cse2) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2) (and (= 8466 ULTIMATE.start_ssl3_accept_~s__state~0) .cse1) (and .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse2))) [2021-01-06 11:33:21,315 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 11:33:21,315 INFO L189 CegarLoopUtils]: For program point L633(lines 633 637) no Hoare annotation was computed. [2021-01-06 11:33:21,315 INFO L189 CegarLoopUtils]: For program point L205(lines 205 595) no Hoare annotation was computed. [2021-01-06 11:33:21,316 INFO L189 CegarLoopUtils]: For program point L172(lines 172 606) no Hoare annotation was computed. [2021-01-06 11:33:21,316 INFO L189 CegarLoopUtils]: For program point L139(lines 139 617) no Hoare annotation was computed. [2021-01-06 11:33:21,316 INFO L189 CegarLoopUtils]: For program point L106(lines 106 628) no Hoare annotation was computed. [2021-01-06 11:33:21,316 INFO L189 CegarLoopUtils]: For program point L338(lines 338 342) no Hoare annotation was computed. [2021-01-06 11:33:21,316 INFO L185 CegarLoopUtils]: At program point L206(lines 202 596) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and .cse1 .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (let ((.cse2 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse2 8496) (< 2147483647 .cse2))) .cse1 .cse0) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-01-06 11:33:21,316 INFO L185 CegarLoopUtils]: At program point L107(lines 106 628) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-01-06 11:33:21,316 INFO L189 CegarLoopUtils]: For program point L471(lines 471 482) no Hoare annotation was computed. [2021-01-06 11:33:21,316 INFO L189 CegarLoopUtils]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-01-06 11:33:21,316 INFO L185 CegarLoopUtils]: At program point L372(lines 355 390) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (let ((.cse1 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse1 8496) (< 2147483647 .cse1))) .cse2 .cse3) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3))) [2021-01-06 11:33:21,317 INFO L185 CegarLoopUtils]: At program point L406(lines 397 428) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (let ((.cse1 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse1 8496) (< 2147483647 .cse1))) .cse2 .cse3) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3))) [2021-01-06 11:33:21,317 INFO L189 CegarLoopUtils]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-01-06 11:33:21,317 INFO L189 CegarLoopUtils]: For program point L208(lines 208 594) no Hoare annotation was computed. [2021-01-06 11:33:21,317 INFO L189 CegarLoopUtils]: For program point L175(lines 175 605) no Hoare annotation was computed. [2021-01-06 11:33:21,317 INFO L189 CegarLoopUtils]: For program point L142(lines 142 616) no Hoare annotation was computed. [2021-01-06 11:33:21,317 INFO L189 CegarLoopUtils]: For program point L109(lines 109 627) no Hoare annotation was computed. [2021-01-06 11:33:21,317 INFO L189 CegarLoopUtils]: For program point L374(lines 374 378) no Hoare annotation was computed. [2021-01-06 11:33:21,317 INFO L185 CegarLoopUtils]: At program point L209(lines 208 594) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-01-06 11:33:21,317 INFO L185 CegarLoopUtils]: At program point L176(lines 172 606) the Hoare annotation is: (let ((.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0) .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (let ((.cse4 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse4 8496) (< 2147483647 .cse4))) .cse1 .cse2))) [2021-01-06 11:33:21,317 INFO L185 CegarLoopUtils]: At program point L143(lines 139 617) the Hoare annotation is: (let ((.cse5 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (let ((.cse6 (< 2147483647 .cse5))) (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse3 (or (<= .cse5 8496) .cse6)) (.cse0 (<= 8466 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (or (<= .cse5 ULTIMATE.start_ssl3_accept_~s__state~0) (and .cse6 (<= .cse5 (+ ULTIMATE.start_ssl3_accept_~s__state~0 4294967296)))))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1) (and .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3 .cse0 .cse1 .cse4) (and .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse3 .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse1 .cse4))))) [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L77(lines 77 85) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L408(lines 408 414) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L574(lines 574 584) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L277(lines 277 281) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L178(lines 178 604) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L145(lines 145 615) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L112(lines 112 626) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L509(lines 509 513) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-01-06 11:33:21,318 INFO L185 CegarLoopUtils]: At program point L212(lines 211 593) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-01-06 11:33:21,318 INFO L189 CegarLoopUtils]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L80-2(lines 77 85) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L192 CegarLoopUtils]: At program point L675(lines 68 677) the Hoare annotation is: true [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L642(lines 642 648) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L543(lines 543 548) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L192 CegarLoopUtils]: At program point L676(lines 11 678) the Hoare annotation is: true [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L577(lines 577 581) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L181(lines 181 603) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L148(lines 148 614) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L115(lines 115 625) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L314(lines 314 318) no Hoare annotation was computed. [2021-01-06 11:33:21,319 INFO L189 CegarLoopUtils]: For program point L314-2(lines 213 590) no Hoare annotation was computed. [2021-01-06 11:33:21,320 INFO L185 CegarLoopUtils]: At program point L182(lines 178 604) the Hoare annotation is: (let ((.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0) .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (let ((.cse4 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse4 8496) (< 2147483647 .cse4))) .cse1 .cse2))) [2021-01-06 11:33:21,320 INFO L185 CegarLoopUtils]: At program point L149(lines 145 615) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (let ((.cse1 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse1 8496) (< 2147483647 .cse1))) .cse2 .cse3) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3))) [2021-01-06 11:33:21,320 INFO L185 CegarLoopUtils]: At program point L216(lines 109 627) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-01-06 11:33:21,320 INFO L189 CegarLoopUtils]: For program point L514(lines 514 518) no Hoare annotation was computed. [2021-01-06 11:33:21,320 INFO L189 CegarLoopUtils]: For program point L514-2(lines 514 518) no Hoare annotation was computed. [2021-01-06 11:33:21,320 INFO L189 CegarLoopUtils]: For program point L448-1(lines 448 460) no Hoare annotation was computed. [2021-01-06 11:33:21,320 INFO L189 CegarLoopUtils]: For program point L184(lines 184 602) no Hoare annotation was computed. [2021-01-06 11:33:21,320 INFO L189 CegarLoopUtils]: For program point L151(lines 151 613) no Hoare annotation was computed. [2021-01-06 11:33:21,320 INFO L189 CegarLoopUtils]: For program point L118(lines 118 624) no Hoare annotation was computed. [2021-01-06 11:33:21,321 INFO L185 CegarLoopUtils]: At program point L416(lines 407 427) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (let ((.cse1 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse1 8496) (< 2147483647 .cse1))) .cse2 .cse3) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3))) [2021-01-06 11:33:21,321 INFO L189 CegarLoopUtils]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-01-06 11:33:21,321 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 11:33:21,321 INFO L189 CegarLoopUtils]: For program point L350-2(lines 213 590) no Hoare annotation was computed. [2021-01-06 11:33:21,321 INFO L189 CegarLoopUtils]: For program point L87(lines 87 95) no Hoare annotation was computed. [2021-01-06 11:33:21,321 INFO L189 CegarLoopUtils]: For program point L87-1(lines 68 677) no Hoare annotation was computed. [2021-01-06 11:33:21,321 INFO L189 CegarLoopUtils]: For program point L451(lines 451 456) no Hoare annotation was computed. [2021-01-06 11:33:21,321 INFO L189 CegarLoopUtils]: For program point L187(lines 187 601) no Hoare annotation was computed. [2021-01-06 11:33:21,321 INFO L189 CegarLoopUtils]: For program point L154(lines 154 612) no Hoare annotation was computed. [2021-01-06 11:33:21,322 INFO L189 CegarLoopUtils]: For program point L121(lines 121 623) no Hoare annotation was computed. [2021-01-06 11:33:21,322 INFO L189 CegarLoopUtils]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-01-06 11:33:21,322 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-01-06 11:33:21,322 INFO L189 CegarLoopUtils]: For program point L221(lines 221 225) no Hoare annotation was computed. [2021-01-06 11:33:21,323 INFO L185 CegarLoopUtils]: At program point L188(lines 184 602) the Hoare annotation is: (let ((.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse1 (let ((.cse7 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse7 8496) (< 2147483647 .cse7)))) (.cse6 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse4) (and .cse5 .cse0 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse3 .cse6) (and .cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse6))) [2021-01-06 11:33:21,323 INFO L185 CegarLoopUtils]: At program point L155(lines 151 613) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (let ((.cse1 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse1 8496) (< 2147483647 .cse1))) .cse2 .cse3) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3))) [2021-01-06 11:33:21,323 INFO L189 CegarLoopUtils]: For program point L221-2(lines 213 590) no Hoare annotation was computed. [2021-01-06 11:33:21,323 INFO L189 CegarLoopUtils]: For program point L553(lines 553 557) no Hoare annotation was computed. [2021-01-06 11:33:21,323 INFO L189 CegarLoopUtils]: For program point L487(lines 487 491) no Hoare annotation was computed. [2021-01-06 11:33:21,323 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 11:33:21,323 INFO L189 CegarLoopUtils]: For program point L190(lines 190 600) no Hoare annotation was computed. [2021-01-06 11:33:21,323 INFO L189 CegarLoopUtils]: For program point L157(lines 157 611) no Hoare annotation was computed. [2021-01-06 11:33:21,323 INFO L189 CegarLoopUtils]: For program point L124(lines 124 622) no Hoare annotation was computed. [2021-01-06 11:33:21,323 INFO L185 CegarLoopUtils]: At program point L554(lines 68 677) the Hoare annotation is: false [2021-01-06 11:33:21,324 INFO L185 CegarLoopUtils]: At program point L125(lines 121 623) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse3 (let ((.cse5 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse5 8496) (< 2147483647 .cse5)))) (.cse1 (<= 8466 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (< 0 (let ((.cse4 (* (div (* ULTIMATE.start_ssl3_accept_~s__state~0 (- 1)) (- 2)) (- 1)))) (+ (div (+ .cse4 2147483647) 2147483648) (div (+ .cse4 4248) 2147483648) 1))))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2) (and .cse3 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3 .cse1 .cse2))) [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L258(lines 258 271) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L192 CegarLoopUtils]: At program point L688(lines 679 690) the Hoare annotation is: true [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L358(lines 358 389) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L259(lines 259 264) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L193(lines 193 599) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L160(lines 160 610) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L127(lines 127 621) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L189 CegarLoopUtils]: For program point L524(lines 524 529) no Hoare annotation was computed. [2021-01-06 11:33:21,324 INFO L185 CegarLoopUtils]: At program point L194(lines 190 600) the Hoare annotation is: (let ((.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse4) (and .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3) (and .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 (let ((.cse5 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse5 8496) (< 2147483647 .cse5))) .cse2 .cse3))) [2021-01-06 11:33:21,325 INFO L185 CegarLoopUtils]: At program point L161(lines 157 611) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (let ((.cse1 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse1 8496) (< 2147483647 .cse1))) .cse2 .cse3) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3))) [2021-01-06 11:33:21,325 INFO L185 CegarLoopUtils]: At program point L128(lines 127 621) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse1 (let ((.cse5 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse5 8496) (< 2147483647 .cse5)))) (.cse2 (<= 8466 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (< 0 (let ((.cse4 (* (div (* ULTIMATE.start_ssl3_accept_~s__state~0 (- 1)) (- 2)) (- 1)))) (+ (div (+ .cse4 2147483647) 2147483648) (div (+ .cse4 4248) 2147483648) 1))))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3) (and .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3))) [2021-01-06 11:33:21,325 INFO L185 CegarLoopUtils]: At program point L591(lines 103 659) the Hoare annotation is: (let ((.cse9 (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2))) (.cse20 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse8 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse16 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse17 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse19 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse15 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (.cse14 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse11 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse18 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (not .cse20)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (let ((.cse21 (mod .cse9 4294967296))) (or (<= .cse21 8496) (< 2147483647 .cse21)))) (.cse4 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (and .cse2 .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse7 .cse3 .cse8) (and (= .cse9 (+ ULTIMATE.start_ssl3_accept_~s__state~0 (* (div .cse9 4294967296) 4294967296))) .cse3) (and .cse2 .cse10 .cse11 .cse12) (and .cse0 .cse6 .cse1 .cse13) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) (and .cse14 .cse7 .cse3) (and .cse3 (= 8466 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse1 .cse3) (and .cse0 .cse1 .cse15) (and .cse6 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0) .cse3 .cse16 .cse8) (and .cse0 .cse6 .cse1 .cse16) (and .cse0 .cse12) (and .cse3 .cse17) (and .cse3 .cse13) (and .cse0 .cse6 .cse1 .cse17) (and .cse10 .cse7 .cse18 .cse12) (and .cse0 .cse1 .cse19) (and .cse3 .cse19) (and .cse3 .cse15) (and .cse14 .cse1 .cse10 .cse7 .cse20) (and .cse6 .cse2 .cse1 .cse10 .cse11) (and .cse0 .cse1 .cse5) (and .cse10 .cse4 .cse18 .cse12) (and .cse0 .cse6 .cse2 .cse1 .cse4)))) [2021-01-06 11:33:21,325 INFO L189 CegarLoopUtils]: For program point L558(lines 558 562) no Hoare annotation was computed. [2021-01-06 11:33:21,325 INFO L189 CegarLoopUtils]: For program point L294(lines 294 298) no Hoare annotation was computed. [2021-01-06 11:33:21,325 INFO L189 CegarLoopUtils]: For program point L294-2(lines 213 590) no Hoare annotation was computed. [2021-01-06 11:33:21,325 INFO L189 CegarLoopUtils]: For program point L361(lines 361 388) no Hoare annotation was computed. [2021-01-06 11:33:21,325 INFO L189 CegarLoopUtils]: For program point L361-1(lines 361 388) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L196(lines 196 598) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L163(lines 163 609) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L130(lines 130 620) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L362(lines 362 385) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 671) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L192 CegarLoopUtils]: At program point L660(lines 102 661) the Hoare annotation is: true [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L397(lines 397 428) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L199(lines 199 597) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L166(lines 166 608) no Hoare annotation was computed. [2021-01-06 11:33:21,326 INFO L189 CegarLoopUtils]: For program point L133(lines 133 619) no Hoare annotation was computed. [2021-01-06 11:33:21,327 INFO L189 CegarLoopUtils]: For program point L629(lines 629 657) no Hoare annotation was computed. [2021-01-06 11:33:21,327 INFO L189 CegarLoopUtils]: For program point L398(lines 398 404) no Hoare annotation was computed. [2021-01-06 11:33:21,327 INFO L189 CegarLoopUtils]: For program point L365(lines 365 384) no Hoare annotation was computed. [2021-01-06 11:33:21,327 INFO L189 CegarLoopUtils]: For program point L233(lines 233 250) no Hoare annotation was computed. [2021-01-06 11:33:21,327 INFO L185 CegarLoopUtils]: At program point L200(lines 196 598) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (let ((.cse4 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse4 8496) (< 2147483647 .cse4))) .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3))) [2021-01-06 11:33:21,327 INFO L185 CegarLoopUtils]: At program point L167(lines 163 609) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (let ((.cse1 (mod (+ (* ULTIMATE.start_ssl3_accept_~ag_Y~0 2) (* ULTIMATE.start_ssl3_accept_~ag_X~0 2)) 4294967296))) (or (<= .cse1 8496) (< 2147483647 .cse1))) .cse2 .cse3) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3))) [2021-01-06 11:33:21,327 INFO L189 CegarLoopUtils]: For program point L233-2(lines 213 590) no Hoare annotation was computed. [2021-01-06 11:33:21,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:33:21 BoogieIcfgContainer [2021-01-06 11:33:21,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:33:21,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:33:21,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:33:21,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:33:21,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:32:42" (3/4) ... [2021-01-06 11:33:21,393 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 11:33:21,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 11:33:21,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 11:33:21,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:33:21,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:33:21,541 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c-witness.graphml [2021-01-06 11:33:21,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:33:21,542 INFO L168 Benchmark]: Toolchain (without parser) took 40887.38 ms. Allocated memory was 152.0 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 125.4 MB in the beginning and 884.7 MB in the end (delta: -759.2 MB). Peak memory consumption was 935.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:21,543 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 125.6 MB in the end (delta: 211.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:33:21,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.70 ms. Allocated memory is still 152.0 MB. Free memory was 125.3 MB in the beginning and 110.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:21,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.82 ms. Allocated memory is still 152.0 MB. Free memory was 110.0 MB in the beginning and 107.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:21,544 INFO L168 Benchmark]: Boogie Preprocessor took 66.19 ms. Allocated memory is still 152.0 MB. Free memory was 107.2 MB in the beginning and 105.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:21,544 INFO L168 Benchmark]: RCFGBuilder took 895.64 ms. Allocated memory is still 152.0 MB. Free memory was 105.1 MB in the beginning and 99.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:21,545 INFO L168 Benchmark]: TraceAbstraction took 39189.15 ms. Allocated memory was 152.0 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 99.0 MB in the beginning and 896.7 MB in the end (delta: -797.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-01-06 11:33:21,545 INFO L168 Benchmark]: Witness Printer took 153.28 ms. Allocated memory is still 1.8 GB. Free memory was 896.7 MB in the beginning and 884.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:21,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 125.6 MB in the end (delta: 211.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 467.70 ms. Allocated memory is still 152.0 MB. Free memory was 125.3 MB in the beginning and 110.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 103.82 ms. Allocated memory is still 152.0 MB. Free memory was 110.0 MB in the beginning and 107.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.19 ms. Allocated memory is still 152.0 MB. Free memory was 107.2 MB in the beginning and 105.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 895.64 ms. Allocated memory is still 152.0 MB. Free memory was 105.1 MB in the beginning and 99.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39189.15 ms. Allocated memory was 152.0 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 99.0 MB in the beginning and 896.7 MB in the end (delta: -797.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Witness Printer took 153.28 ms. Allocated memory is still 1.8 GB. Free memory was 896.7 MB in the beginning and 884.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 671]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576) && 8512 <= s__state) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || ((blastFlag == 0 && s__state <= 8576) && 8512 <= s__state)) || ((blastFlag == 1 && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8673) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8576 <= s__state) && blastFlag == 1) && !(s__state == 8672)) || (((!(s__state == 8673) && blastFlag == 0) && 8576 <= s__state) && !(s__state == 8672))) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || (blastFlag == 1 && s__state == 8608)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8608) - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576) && 8512 <= s__state) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || ((blastFlag == 0 && s__state <= 8576) && 8512 <= s__state)) || ((blastFlag == 1 && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1) || (blastFlag == 0 && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1)) || (8466 == s__state && blastFlag == 1)) || (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(s__hit == 0))) || ((((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296) && blastFlag == 1) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576) && 8512 <= s__state) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || ((blastFlag == 0 && s__state <= 8576) && 8512 <= s__state)) || ((blastFlag == 1 && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((((!(s__state == 8673) && 8576 <= s__state) && blastFlag == 1) && !(s__state == 8672)) || (((!(s__state == 8673) && blastFlag == 0) && 8576 <= s__state) && !(s__state == 8672))) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || (((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8673)) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8576 <= s__state) && !(s__state == 8672)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((blastFlag == 0 && 8656 <= s__state) || ((blastFlag <= 3 && 8656 <= s__state) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && blastFlag <= 3) && 8656 <= s__state)) || (8656 <= s__state && blastFlag == 1) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((((8466 <= s__state && blastFlag == 0) && s__state <= 8576) || (((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8466 <= s__state) && s__state <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= s__state || (2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296 && (ag_Y * 2 + ag_X * 2) % 4294967296 <= s__state + 4294967296)))) || (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(s__hit == 0))) || ((((((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296) && 8466 <= s__state) && blastFlag == 1) && s__state <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= s__state || (2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296 && (ag_Y * 2 + ag_X * 2) % 4294967296 <= s__state + 4294967296))) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8512) || ((!(s__state == 8673) && blastFlag == 1) && 8640 <= s__state)) || (blastFlag == 1 && s__state == 8544)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && 8576 <= s__s3__tmp__next_state___0)) || (ag_Y * 2 + ag_X * 2 == s__state + (ag_Y * 2 + ag_X * 2) / 4294967296 * 4294967296 && blastFlag == 1)) || (((!(s__state == 8673) && blastFlag <= 3) && 8656 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8592)) || blastFlag == 0) || ((s__s3__tmp__next_state___0 <= 3 && s__state <= 8448) && blastFlag == 1)) || (blastFlag == 1 && 8466 == s__state)) || (((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296) && blastFlag == 1)) || ((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8528)) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && blastFlag == 1) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576)) || (blastFlag <= 2 && !(s__hit == 0))) || (blastFlag == 1 && s__state == 8608)) || (blastFlag == 1 && s__state == 8592)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8608)) || (((blastFlag <= 3 && s__state <= 8448) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || ((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8560 == s__state)) || (blastFlag == 1 && 8560 == s__state)) || (blastFlag == 1 && s__state == 8528)) || ((((s__s3__tmp__next_state___0 <= 3 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && blastFlag <= 3) && s__state <= 8448) && s__hit == 0)) || ((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8673)) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && blastFlag <= 3) && 8656 <= s__state)) || ((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8544)) || (((blastFlag <= 3 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || ((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8673)) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8640 <= s__state) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((!(s__state == 8673) && 8576 <= s__state) && blastFlag == 1) && !(s__state == 8672)) || (((!(s__state == 8673) && blastFlag == 0) && 8576 <= s__state) && !(s__state == 8672))) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || (((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8673)) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8576 <= s__state) && !(s__state == 8672)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576) && 8512 <= s__state) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || ((blastFlag == 0 && s__state <= 8576) && 8512 <= s__state)) || ((blastFlag == 1 && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(s__hit == 0)) || ((8466 <= s__state && blastFlag == 0) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1)) || (((((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296) && 8466 <= s__state) && blastFlag == 1) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1)) || ((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8466 <= s__state) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576) && 8512 <= s__state) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || ((blastFlag == 0 && s__state <= 8576) && 8512 <= s__state)) || ((blastFlag == 1 && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && blastFlag <= 3) && 8656 <= s__state) && !(s__state == 8672)) && !(s__hit == 0)) || (((!(s__state == 8673) && blastFlag == 0) && 8656 <= s__state) && !(s__state == 8672))) || (((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8673)) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && blastFlag <= 3) && 8656 <= s__state) && !(s__state == 8672))) || (((!(s__state == 8673) && 8656 <= s__state) && blastFlag == 1) && !(s__state == 8672)) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576) && 8512 <= s__state) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || ((blastFlag == 0 && s__state <= 8576) && 8512 <= s__state)) || ((blastFlag == 1 && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((((blastFlag <= 3 && s__state <= 8448) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) || ((s__s3__tmp__next_state___0 <= 3 && s__state <= 8448) && blastFlag == 1)) || (blastFlag == 0 && s__state <= 8448)) || ((((s__s3__tmp__next_state___0 <= 3 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && blastFlag <= 3) && s__state <= 8448) && s__hit == 0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8448)) || ((blastFlag <= 2 && s__state <= 8448) && !(s__hit == 0))) || ((((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296) && s__state <= 8448) && blastFlag == 1)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && 8576 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(s__hit == 0)) || (((((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296) && 8466 <= s__state) && blastFlag == 1) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1)) || ((8466 <= s__state && blastFlag == 0) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1)) || ((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8466 <= s__state) && 0 < (s__state * -1 / -2 * -1 + 2147483647) / 2147483648 + (s__state * -1 / -2 * -1 + 4248) / 2147483648 + 1) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576) && 8512 <= s__state) || ((((blastFlag <= 2 && !(s__state == 8673)) && 8512 <= s__state) && !(s__state == 8672)) && !(s__hit == 0))) || ((blastFlag == 0 && s__state <= 8576) && 8512 <= s__state)) || ((blastFlag == 1 && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 2 && !(s__state == 8673)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__hit == 0)) || (((((!(s__state == 8673) && blastFlag <= 3) && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__state == 8672)) && !(s__hit == 0))) || (((!(s__state == 8673) && blastFlag == 1) && 8640 <= s__state) && !(s__state == 8672))) || (((!(s__state == 8673) && blastFlag == 0) && 8640 <= s__state) && !(s__state == 8672))) || (((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8673)) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8640 <= s__state) && !(s__state == 8672)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8512) || ((!(s__state == 8673) && blastFlag == 1) && 8640 <= s__state)) || (blastFlag == 1 && s__state == 8544)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && 8576 <= s__s3__tmp__next_state___0)) || (ag_Y * 2 + ag_X * 2 == s__state + (ag_Y * 2 + ag_X * 2) / 4294967296 * 4294967296 && blastFlag == 1)) || (((!(s__state == 8673) && blastFlag <= 3) && 8656 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8592)) || blastFlag == 0) || ((s__s3__tmp__next_state___0 <= 3 && s__state <= 8448) && blastFlag == 1)) || (blastFlag == 1 && 8466 == s__state)) || (((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296) && blastFlag == 1)) || ((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8528)) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && blastFlag == 1) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state <= 8576)) || (blastFlag <= 2 && !(s__hit == 0))) || (blastFlag == 1 && s__state == 8608)) || (blastFlag == 1 && s__state == 8592)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8608)) || (((blastFlag <= 3 && s__state <= 8448) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || ((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8560 == s__state)) || (blastFlag == 1 && 8560 == s__state)) || (blastFlag == 1 && s__state == 8528)) || ((((s__s3__tmp__next_state___0 <= 3 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && blastFlag <= 3) && s__state <= 8448) && s__hit == 0)) || ((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8673)) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && blastFlag <= 3) && 8656 <= s__state)) || ((blastFlag <= 2 && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && s__state == 8544)) || (((blastFlag <= 3 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || ((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8673)) && ((ag_Y * 2 + ag_X * 2) % 4294967296 <= 8496 || 2147483647 < (ag_Y * 2 + ag_X * 2) % 4294967296)) && 8640 <= s__state) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.8s, OverallIterations: 25, TraceHistogramMax: 21, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5445 SDtfs, 2553 SDslu, 4169 SDs, 0 SdLazy, 4004 SolverSat, 554 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3422 GetRequests, 3371 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16106occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 25 MinimizatonAttempts, 10594 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 947 NumberOfFragments, 2997 HoareAnnotationTreeSize, 29 FomulaSimplifications, 110314 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 29 FomulaSimplificationsInter, 38734 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 10291 NumberOfCodeBlocks, 9994 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 10258 ConstructedInterpolants, 0 QuantifiedInterpolants, 10024241 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4938 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 33 InterpolantComputations, 20 PerfectInterpolantSequences, 47934/48640 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...