/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/systemc/transmitter.08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:36:53,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:36:53,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:36:53,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:36:53,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:36:53,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:36:53,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:36:53,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:36:53,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:36:53,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:36:53,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:36:53,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:36:53,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:36:53,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:36:53,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:36:53,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:36:53,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:36:53,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:36:53,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:36:53,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:36:53,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:36:53,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:36:53,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:36:53,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:36:53,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:36:53,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:36:53,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:36:53,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:36:53,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:36:53,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:36:53,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:36:53,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:36:53,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:36:53,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:36:53,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:36:53,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:36:53,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:36:53,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:36:53,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:36:53,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:36:53,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:36:53,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:36:53,305 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:36:53,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:36:53,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:36:53,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:36:53,308 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:36:53,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:36:53,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:36:53,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:36:53,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:36:53,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:36:53,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:36:53,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:36:53,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:36:53,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:36:53,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:36:53,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:36:53,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:36:53,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:36:53,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:36:53,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:36:53,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:36:53,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:36:53,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:36:53,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:36:53,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:36:53,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:36:53,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:36:53,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:36:53,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:36:53,757 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:36:53,757 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:36:53,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.08.cil.c [2020-12-23 09:36:53,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/03a8c7fa3/faf0109338104208b9c02487c794c7b3/FLAG6b04dfd9e [2020-12-23 09:36:54,562 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:36:54,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.08.cil.c [2020-12-23 09:36:54,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/03a8c7fa3/faf0109338104208b9c02487c794c7b3/FLAG6b04dfd9e [2020-12-23 09:36:54,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/03a8c7fa3/faf0109338104208b9c02487c794c7b3 [2020-12-23 09:36:54,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:36:54,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:36:54,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:36:54,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:36:54,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:36:54,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:36:54" (1/1) ... [2020-12-23 09:36:54,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79933bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:54, skipping insertion in model container [2020-12-23 09:36:54,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:36:54" (1/1) ... [2020-12-23 09:36:54,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:36:54,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 09:36:55,159 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/systemc/transmitter.08.cil.c[401,414] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~3,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~3,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~4,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~4,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~5,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~5,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~6,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~6,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~7,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~7,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~8,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~8,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_1~0,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_2~0,] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_3~0,] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_4~0,] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_5~0,] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_6~0,] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_7~0,] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_8~0,] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_9~0,] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T2_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T3_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T4_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T5_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T6_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T7_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T8_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T2_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T3_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T4_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T5_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T6_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T7_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T8_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T2_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T3_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T4_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T5_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T6_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T7_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T8_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres2~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres2~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~10,] [2020-12-23 09:36:55,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:36:55,301 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 09:36:55,316 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/systemc/transmitter.08.cil.c[401,414] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~3,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~3,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~4,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~4,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~5,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~5,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~6,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~6,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~7,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~7,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~8,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~8,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_1~0,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_2~0,] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_3~0,] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_4~0,] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_5~0,] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_6~0,] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_7~0,] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_8~0,] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_9~0,] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T2_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T3_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T4_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T5_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T6_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T7_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T8_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T2_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T3_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T4_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T5_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T6_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T7_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T8_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~t2_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~t3_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~t4_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~t5_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~t6_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~t7_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~t8_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T2_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T3_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T4_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T5_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T6_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T7_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T8_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t2_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t3_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t4_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t5_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t6_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t7_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t8_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres2~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres2~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~10,] [2020-12-23 09:36:55,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:36:55,449 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:36:55,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55 WrapperNode [2020-12-23 09:36:55,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:36:55,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:36:55,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:36:55,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:36:55,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:36:55,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:36:55,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:36:55,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:36:55,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... [2020-12-23 09:36:55,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:36:55,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:36:55,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:36:55,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:36:55,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:36:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:36:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:36:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:36:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:36:58,020 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:36:58,021 INFO L299 CfgBuilder]: Removed 304 assume(true) statements. [2020-12-23 09:36:58,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:36:58 BoogieIcfgContainer [2020-12-23 09:36:58,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:36:58,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:36:58,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:36:58,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:36:58,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:36:54" (1/3) ... [2020-12-23 09:36:58,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b96c84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:36:58, skipping insertion in model container [2020-12-23 09:36:58,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:55" (2/3) ... [2020-12-23 09:36:58,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b96c84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:36:58, skipping insertion in model container [2020-12-23 09:36:58,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:36:58" (3/3) ... [2020-12-23 09:36:58,033 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.08.cil.c [2020-12-23 09:36:58,039 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:36:58,045 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 09:36:58,064 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 09:36:58,102 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:36:58,102 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:36:58,103 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:36:58,103 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:36:58,103 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:36:58,103 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:36:58,103 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:36:58,103 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:36:58,142 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states. [2020-12-23 09:36:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:36:58,161 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:58,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:58,162 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:58,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:58,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2079068621, now seen corresponding path program 1 times [2020-12-23 09:36:58,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:58,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485524268] [2020-12-23 09:36:58,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:36:58,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485524268] [2020-12-23 09:36:58,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:58,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:36:58,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659993833] [2020-12-23 09:36:58,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:36:58,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:58,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:36:58,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:58,524 INFO L87 Difference]: Start difference. First operand 906 states. Second operand 3 states. [2020-12-23 09:36:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:58,657 INFO L93 Difference]: Finished difference Result 1807 states and 2767 transitions. [2020-12-23 09:36:58,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:36:58,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:36:58,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:58,683 INFO L225 Difference]: With dead ends: 1807 [2020-12-23 09:36:58,684 INFO L226 Difference]: Without dead ends: 902 [2020-12-23 09:36:58,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:58,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-12-23 09:36:58,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2020-12-23 09:36:58,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2020-12-23 09:36:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1357 transitions. [2020-12-23 09:36:58,838 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1357 transitions. Word has length 121 [2020-12-23 09:36:58,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:58,838 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1357 transitions. [2020-12-23 09:36:58,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:36:58,838 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1357 transitions. [2020-12-23 09:36:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:36:58,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:58,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:58,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:36:58,852 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:58,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:58,853 INFO L82 PathProgramCache]: Analyzing trace with hash -493895989, now seen corresponding path program 1 times [2020-12-23 09:36:58,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:58,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017076981] [2020-12-23 09:36:58,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:36:59,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017076981] [2020-12-23 09:36:59,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:59,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:36:59,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682834856] [2020-12-23 09:36:59,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:36:59,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:59,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:36:59,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:36:59,030 INFO L87 Difference]: Start difference. First operand 902 states and 1357 transitions. Second operand 4 states. [2020-12-23 09:36:59,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:59,300 INFO L93 Difference]: Finished difference Result 2520 states and 3779 transitions. [2020-12-23 09:36:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:36:59,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:36:59,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:59,309 INFO L225 Difference]: With dead ends: 2520 [2020-12-23 09:36:59,310 INFO L226 Difference]: Without dead ends: 1631 [2020-12-23 09:36:59,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:36:59,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2020-12-23 09:36:59,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1629. [2020-12-23 09:36:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1629 states. [2020-12-23 09:36:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2438 transitions. [2020-12-23 09:36:59,381 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2438 transitions. Word has length 121 [2020-12-23 09:36:59,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:59,381 INFO L481 AbstractCegarLoop]: Abstraction has 1629 states and 2438 transitions. [2020-12-23 09:36:59,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:36:59,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2438 transitions. [2020-12-23 09:36:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:36:59,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:59,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:59,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:36:59,385 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:59,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:59,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1827905929, now seen corresponding path program 1 times [2020-12-23 09:36:59,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:59,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445048910] [2020-12-23 09:36:59,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:36:59,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445048910] [2020-12-23 09:36:59,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:59,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:36:59,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219625049] [2020-12-23 09:36:59,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:36:59,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:59,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:36:59,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:36:59,524 INFO L87 Difference]: Start difference. First operand 1629 states and 2438 transitions. Second operand 4 states. [2020-12-23 09:36:59,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:59,824 INFO L93 Difference]: Finished difference Result 4696 states and 7016 transitions. [2020-12-23 09:36:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:36:59,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:36:59,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:59,845 INFO L225 Difference]: With dead ends: 4696 [2020-12-23 09:36:59,845 INFO L226 Difference]: Without dead ends: 3082 [2020-12-23 09:36:59,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:36:59,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2020-12-23 09:36:59,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 3080. [2020-12-23 09:36:59,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3080 states. [2020-12-23 09:37:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 3080 states and 4595 transitions. [2020-12-23 09:37:00,004 INFO L78 Accepts]: Start accepts. Automaton has 3080 states and 4595 transitions. Word has length 121 [2020-12-23 09:37:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:00,008 INFO L481 AbstractCegarLoop]: Abstraction has 3080 states and 4595 transitions. [2020-12-23 09:37:00,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:37:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 4595 transitions. [2020-12-23 09:37:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:00,013 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:00,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:00,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:37:00,014 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:00,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:00,015 INFO L82 PathProgramCache]: Analyzing trace with hash -313954549, now seen corresponding path program 1 times [2020-12-23 09:37:00,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:00,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737537489] [2020-12-23 09:37:00,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:00,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737537489] [2020-12-23 09:37:00,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:00,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:37:00,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728206319] [2020-12-23 09:37:00,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:37:00,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:00,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:37:00,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:37:00,152 INFO L87 Difference]: Start difference. First operand 3080 states and 4595 transitions. Second operand 4 states. [2020-12-23 09:37:00,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:00,575 INFO L93 Difference]: Finished difference Result 9043 states and 13477 transitions. [2020-12-23 09:37:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:37:00,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:37:00,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:00,606 INFO L225 Difference]: With dead ends: 9043 [2020-12-23 09:37:00,607 INFO L226 Difference]: Without dead ends: 5979 [2020-12-23 09:37:00,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:37:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5979 states. [2020-12-23 09:37:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5979 to 5977. [2020-12-23 09:37:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5977 states. [2020-12-23 09:37:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5977 states to 5977 states and 8896 transitions. [2020-12-23 09:37:00,934 INFO L78 Accepts]: Start accepts. Automaton has 5977 states and 8896 transitions. Word has length 121 [2020-12-23 09:37:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:00,935 INFO L481 AbstractCegarLoop]: Abstraction has 5977 states and 8896 transitions. [2020-12-23 09:37:00,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:37:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 5977 states and 8896 transitions. [2020-12-23 09:37:00,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:00,942 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:00,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:00,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:37:00,942 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:00,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:00,943 INFO L82 PathProgramCache]: Analyzing trace with hash -937236151, now seen corresponding path program 1 times [2020-12-23 09:37:00,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:00,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072342903] [2020-12-23 09:37:00,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:01,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072342903] [2020-12-23 09:37:01,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:01,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:37:01,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736579272] [2020-12-23 09:37:01,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:37:01,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:01,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:37:01,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:01,092 INFO L87 Difference]: Start difference. First operand 5977 states and 8896 transitions. Second operand 3 states. [2020-12-23 09:37:01,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:01,351 INFO L93 Difference]: Finished difference Result 11937 states and 17766 transitions. [2020-12-23 09:37:01,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:37:01,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:37:01,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:01,388 INFO L225 Difference]: With dead ends: 11937 [2020-12-23 09:37:01,388 INFO L226 Difference]: Without dead ends: 5977 [2020-12-23 09:37:01,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:01,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5977 states. [2020-12-23 09:37:01,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5977 to 5977. [2020-12-23 09:37:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5977 states. [2020-12-23 09:37:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5977 states to 5977 states and 8870 transitions. [2020-12-23 09:37:01,789 INFO L78 Accepts]: Start accepts. Automaton has 5977 states and 8870 transitions. Word has length 121 [2020-12-23 09:37:01,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:01,790 INFO L481 AbstractCegarLoop]: Abstraction has 5977 states and 8870 transitions. [2020-12-23 09:37:01,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:37:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 5977 states and 8870 transitions. [2020-12-23 09:37:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:01,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:01,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:01,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:37:01,796 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:01,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:01,796 INFO L82 PathProgramCache]: Analyzing trace with hash -818794677, now seen corresponding path program 1 times [2020-12-23 09:37:01,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:01,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071644345] [2020-12-23 09:37:01,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:01,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071644345] [2020-12-23 09:37:01,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:01,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:37:01,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67156995] [2020-12-23 09:37:01,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:37:01,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:01,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:37:01,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:01,871 INFO L87 Difference]: Start difference. First operand 5977 states and 8870 transitions. Second operand 3 states. [2020-12-23 09:37:02,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:02,206 INFO L93 Difference]: Finished difference Result 11936 states and 17713 transitions. [2020-12-23 09:37:02,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:37:02,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:37:02,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:02,240 INFO L225 Difference]: With dead ends: 11936 [2020-12-23 09:37:02,240 INFO L226 Difference]: Without dead ends: 5977 [2020-12-23 09:37:02,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:02,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5977 states. [2020-12-23 09:37:02,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5977 to 5977. [2020-12-23 09:37:02,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5977 states. [2020-12-23 09:37:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5977 states to 5977 states and 8844 transitions. [2020-12-23 09:37:02,557 INFO L78 Accepts]: Start accepts. Automaton has 5977 states and 8844 transitions. Word has length 121 [2020-12-23 09:37:02,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:02,558 INFO L481 AbstractCegarLoop]: Abstraction has 5977 states and 8844 transitions. [2020-12-23 09:37:02,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:37:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 5977 states and 8844 transitions. [2020-12-23 09:37:02,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:02,563 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:02,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:02,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:37:02,564 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:02,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:02,571 INFO L82 PathProgramCache]: Analyzing trace with hash 498112779, now seen corresponding path program 1 times [2020-12-23 09:37:02,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:02,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554050006] [2020-12-23 09:37:02,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:02,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554050006] [2020-12-23 09:37:02,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:02,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:37:02,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45823834] [2020-12-23 09:37:02,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:37:02,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:02,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:37:02,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:37:02,635 INFO L87 Difference]: Start difference. First operand 5977 states and 8844 transitions. Second operand 4 states. [2020-12-23 09:37:03,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:03,317 INFO L93 Difference]: Finished difference Result 17708 states and 26194 transitions. [2020-12-23 09:37:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:37:03,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:37:03,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:03,372 INFO L225 Difference]: With dead ends: 17708 [2020-12-23 09:37:03,373 INFO L226 Difference]: Without dead ends: 11750 [2020-12-23 09:37:03,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:37:03,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11750 states. [2020-12-23 09:37:03,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11750 to 11748. [2020-12-23 09:37:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11748 states. [2020-12-23 09:37:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11748 states to 11748 states and 17359 transitions. [2020-12-23 09:37:03,994 INFO L78 Accepts]: Start accepts. Automaton has 11748 states and 17359 transitions. Word has length 121 [2020-12-23 09:37:03,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:03,994 INFO L481 AbstractCegarLoop]: Abstraction has 11748 states and 17359 transitions. [2020-12-23 09:37:03,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:37:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 11748 states and 17359 transitions. [2020-12-23 09:37:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:04,002 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:04,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:04,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:37:04,003 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:04,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:04,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1535281267, now seen corresponding path program 1 times [2020-12-23 09:37:04,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:04,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343925512] [2020-12-23 09:37:04,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:04,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343925512] [2020-12-23 09:37:04,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:04,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:37:04,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6444043] [2020-12-23 09:37:04,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:37:04,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:04,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:37:04,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:04,068 INFO L87 Difference]: Start difference. First operand 11748 states and 17359 transitions. Second operand 3 states. [2020-12-23 09:37:04,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:04,582 INFO L93 Difference]: Finished difference Result 23476 states and 34689 transitions. [2020-12-23 09:37:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:37:04,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:37:04,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:04,612 INFO L225 Difference]: With dead ends: 23476 [2020-12-23 09:37:04,613 INFO L226 Difference]: Without dead ends: 11748 [2020-12-23 09:37:04,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:04,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11748 states. [2020-12-23 09:37:05,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11748 to 11748. [2020-12-23 09:37:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11748 states. [2020-12-23 09:37:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11748 states to 11748 states and 17309 transitions. [2020-12-23 09:37:05,181 INFO L78 Accepts]: Start accepts. Automaton has 11748 states and 17309 transitions. Word has length 121 [2020-12-23 09:37:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:05,181 INFO L481 AbstractCegarLoop]: Abstraction has 11748 states and 17309 transitions. [2020-12-23 09:37:05,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:37:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 11748 states and 17309 transitions. [2020-12-23 09:37:05,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:05,191 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:05,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:05,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:37:05,192 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:05,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:05,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1594577229, now seen corresponding path program 1 times [2020-12-23 09:37:05,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:05,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246021027] [2020-12-23 09:37:05,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:05,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246021027] [2020-12-23 09:37:05,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:05,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:37:05,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784586641] [2020-12-23 09:37:05,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:37:05,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:05,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:37:05,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:37:05,254 INFO L87 Difference]: Start difference. First operand 11748 states and 17309 transitions. Second operand 4 states. [2020-12-23 09:37:06,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:06,277 INFO L93 Difference]: Finished difference Result 33959 states and 50065 transitions. [2020-12-23 09:37:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:37:06,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:37:06,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:06,333 INFO L225 Difference]: With dead ends: 33959 [2020-12-23 09:37:06,333 INFO L226 Difference]: Without dead ends: 22233 [2020-12-23 09:37:06,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:37:06,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22233 states. [2020-12-23 09:37:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22233 to 22199. [2020-12-23 09:37:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22199 states. [2020-12-23 09:37:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22199 states to 22199 states and 32721 transitions. [2020-12-23 09:37:07,350 INFO L78 Accepts]: Start accepts. Automaton has 22199 states and 32721 transitions. Word has length 121 [2020-12-23 09:37:07,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:07,350 INFO L481 AbstractCegarLoop]: Abstraction has 22199 states and 32721 transitions. [2020-12-23 09:37:07,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:37:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 22199 states and 32721 transitions. [2020-12-23 09:37:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:07,363 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:07,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:07,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:37:07,364 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:07,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash -802893301, now seen corresponding path program 1 times [2020-12-23 09:37:07,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:07,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960083535] [2020-12-23 09:37:07,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:07,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960083535] [2020-12-23 09:37:07,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:07,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:37:07,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027504028] [2020-12-23 09:37:07,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:37:07,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:07,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:37:07,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:07,421 INFO L87 Difference]: Start difference. First operand 22199 states and 32721 transitions. Second operand 3 states. [2020-12-23 09:37:08,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:08,207 INFO L93 Difference]: Finished difference Result 44375 states and 65409 transitions. [2020-12-23 09:37:08,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:37:08,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:37:08,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:08,262 INFO L225 Difference]: With dead ends: 44375 [2020-12-23 09:37:08,262 INFO L226 Difference]: Without dead ends: 22199 [2020-12-23 09:37:08,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:08,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22199 states. [2020-12-23 09:37:09,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22199 to 22199. [2020-12-23 09:37:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22199 states. [2020-12-23 09:37:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22199 states to 22199 states and 32381 transitions. [2020-12-23 09:37:09,226 INFO L78 Accepts]: Start accepts. Automaton has 22199 states and 32381 transitions. Word has length 121 [2020-12-23 09:37:09,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:09,227 INFO L481 AbstractCegarLoop]: Abstraction has 22199 states and 32381 transitions. [2020-12-23 09:37:09,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:37:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 22199 states and 32381 transitions. [2020-12-23 09:37:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:09,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:09,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:09,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:37:09,241 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:09,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:09,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1218352692, now seen corresponding path program 1 times [2020-12-23 09:37:09,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:09,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721573122] [2020-12-23 09:37:09,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:09,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721573122] [2020-12-23 09:37:09,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:09,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:37:09,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033743916] [2020-12-23 09:37:09,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:37:09,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:09,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:37:09,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:37:09,296 INFO L87 Difference]: Start difference. First operand 22199 states and 32381 transitions. Second operand 4 states. [2020-12-23 09:37:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:10,877 INFO L93 Difference]: Finished difference Result 64234 states and 93773 transitions. [2020-12-23 09:37:10,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:37:10,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:37:10,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:10,967 INFO L225 Difference]: With dead ends: 64234 [2020-12-23 09:37:10,967 INFO L226 Difference]: Without dead ends: 42059 [2020-12-23 09:37:11,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:37:11,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42059 states. [2020-12-23 09:37:12,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42059 to 42025. [2020-12-23 09:37:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42025 states. [2020-12-23 09:37:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42025 states to 42025 states and 61327 transitions. [2020-12-23 09:37:12,657 INFO L78 Accepts]: Start accepts. Automaton has 42025 states and 61327 transitions. Word has length 121 [2020-12-23 09:37:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:12,657 INFO L481 AbstractCegarLoop]: Abstraction has 42025 states and 61327 transitions. [2020-12-23 09:37:12,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:37:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 42025 states and 61327 transitions. [2020-12-23 09:37:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:12,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:12,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:12,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:37:12,686 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:12,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:12,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1170211338, now seen corresponding path program 1 times [2020-12-23 09:37:12,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:12,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967589864] [2020-12-23 09:37:12,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:12,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967589864] [2020-12-23 09:37:12,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:12,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:37:12,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890005705] [2020-12-23 09:37:12,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:37:12,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:12,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:37:12,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:12,741 INFO L87 Difference]: Start difference. First operand 42025 states and 61327 transitions. Second operand 3 states. [2020-12-23 09:37:14,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:14,505 INFO L93 Difference]: Finished difference Result 84025 states and 122619 transitions. [2020-12-23 09:37:14,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:37:14,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:37:14,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:14,595 INFO L225 Difference]: With dead ends: 84025 [2020-12-23 09:37:14,596 INFO L226 Difference]: Without dead ends: 42025 [2020-12-23 09:37:14,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:14,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42025 states. [2020-12-23 09:37:16,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42025 to 42025. [2020-12-23 09:37:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42025 states. [2020-12-23 09:37:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42025 states to 42025 states and 60683 transitions. [2020-12-23 09:37:16,181 INFO L78 Accepts]: Start accepts. Automaton has 42025 states and 60683 transitions. Word has length 121 [2020-12-23 09:37:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:16,181 INFO L481 AbstractCegarLoop]: Abstraction has 42025 states and 60683 transitions. [2020-12-23 09:37:16,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:37:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 42025 states and 60683 transitions. [2020-12-23 09:37:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:16,200 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:16,200 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:16,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:37:16,201 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:16,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:16,201 INFO L82 PathProgramCache]: Analyzing trace with hash 613809421, now seen corresponding path program 1 times [2020-12-23 09:37:16,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:16,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449178001] [2020-12-23 09:37:16,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:16,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449178001] [2020-12-23 09:37:16,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:16,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:37:16,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766040914] [2020-12-23 09:37:16,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:37:16,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:16,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:37:16,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:37:16,243 INFO L87 Difference]: Start difference. First operand 42025 states and 60683 transitions. Second operand 4 states. [2020-12-23 09:37:18,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:18,930 INFO L93 Difference]: Finished difference Result 121564 states and 175703 transitions. [2020-12-23 09:37:18,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:37:18,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:37:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:19,063 INFO L225 Difference]: With dead ends: 121564 [2020-12-23 09:37:19,063 INFO L226 Difference]: Without dead ends: 79565 [2020-12-23 09:37:19,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:37:19,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79565 states. [2020-12-23 09:37:22,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79565 to 79499. [2020-12-23 09:37:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79499 states. [2020-12-23 09:37:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79499 states to 79499 states and 114861 transitions. [2020-12-23 09:37:22,320 INFO L78 Accepts]: Start accepts. Automaton has 79499 states and 114861 transitions. Word has length 121 [2020-12-23 09:37:22,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:22,320 INFO L481 AbstractCegarLoop]: Abstraction has 79499 states and 114861 transitions. [2020-12-23 09:37:22,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:37:22,320 INFO L276 IsEmpty]: Start isEmpty. Operand 79499 states and 114861 transitions. [2020-12-23 09:37:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:22,352 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:22,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:22,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:37:22,353 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:22,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:22,354 INFO L82 PathProgramCache]: Analyzing trace with hash -442921781, now seen corresponding path program 1 times [2020-12-23 09:37:22,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:22,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707029977] [2020-12-23 09:37:22,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:22,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707029977] [2020-12-23 09:37:22,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:22,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:37:22,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168182481] [2020-12-23 09:37:22,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:37:22,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:22,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:37:22,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:37:22,413 INFO L87 Difference]: Start difference. First operand 79499 states and 114861 transitions. Second operand 4 states. [2020-12-23 09:37:27,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:27,578 INFO L93 Difference]: Finished difference Result 229822 states and 332345 transitions. [2020-12-23 09:37:27,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:37:27,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:37:27,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:27,822 INFO L225 Difference]: With dead ends: 229822 [2020-12-23 09:37:27,822 INFO L226 Difference]: Without dead ends: 150350 [2020-12-23 09:37:27,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:37:28,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150350 states. [2020-12-23 09:37:33,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150350 to 150220. [2020-12-23 09:37:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150220 states. [2020-12-23 09:37:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150220 states to 150220 states and 217134 transitions. [2020-12-23 09:37:34,170 INFO L78 Accepts]: Start accepts. Automaton has 150220 states and 217134 transitions. Word has length 121 [2020-12-23 09:37:34,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:34,172 INFO L481 AbstractCegarLoop]: Abstraction has 150220 states and 217134 transitions. [2020-12-23 09:37:34,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:37:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 150220 states and 217134 transitions. [2020-12-23 09:37:34,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:34,218 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:34,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:34,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:37:34,219 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:34,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:34,219 INFO L82 PathProgramCache]: Analyzing trace with hash 908463437, now seen corresponding path program 1 times [2020-12-23 09:37:34,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:34,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530718936] [2020-12-23 09:37:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:34,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530718936] [2020-12-23 09:37:34,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:34,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:37:34,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001380121] [2020-12-23 09:37:34,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:37:34,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:34,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:37:34,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:37:34,274 INFO L87 Difference]: Start difference. First operand 150220 states and 217134 transitions. Second operand 4 states. [2020-12-23 09:37:43,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:37:43,686 INFO L93 Difference]: Finished difference Result 433663 states and 627386 transitions. [2020-12-23 09:37:43,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:37:43,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:37:43,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:37:44,253 INFO L225 Difference]: With dead ends: 433663 [2020-12-23 09:37:44,253 INFO L226 Difference]: Without dead ends: 283471 [2020-12-23 09:37:44,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:37:44,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283471 states. [2020-12-23 09:37:54,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283471 to 283213. [2020-12-23 09:37:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283213 states. [2020-12-23 09:37:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283213 states to 283213 states and 409519 transitions. [2020-12-23 09:37:55,754 INFO L78 Accepts]: Start accepts. Automaton has 283213 states and 409519 transitions. Word has length 121 [2020-12-23 09:37:55,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:37:55,754 INFO L481 AbstractCegarLoop]: Abstraction has 283213 states and 409519 transitions. [2020-12-23 09:37:55,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:37:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 283213 states and 409519 transitions. [2020-12-23 09:37:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:37:55,876 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:37:55,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:37:55,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:37:55,877 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:37:55,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:37:55,877 INFO L82 PathProgramCache]: Analyzing trace with hash -710511477, now seen corresponding path program 1 times [2020-12-23 09:37:55,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:37:55,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652337997] [2020-12-23 09:37:55,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:37:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:37:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:37:55,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652337997] [2020-12-23 09:37:55,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:37:55,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:37:55,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540573461] [2020-12-23 09:37:55,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:37:55,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:37:55,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:37:55,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:37:55,919 INFO L87 Difference]: Start difference. First operand 283213 states and 409519 transitions. Second operand 3 states. [2020-12-23 09:38:11,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:38:11,297 INFO L93 Difference]: Finished difference Result 711371 states and 1025959 transitions. [2020-12-23 09:38:11,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:38:11,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:38:11,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:38:12,040 INFO L225 Difference]: With dead ends: 711371 [2020-12-23 09:38:12,040 INFO L226 Difference]: Without dead ends: 428189 [2020-12-23 09:38:12,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:38:12,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428189 states.