/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/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:37:15,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:37:15,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:37:16,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:37:16,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:37:16,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:37:16,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:37:16,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:37:16,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:37:16,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:37:16,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:37:16,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:37:16,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:37:16,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:37:16,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:37:16,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:37:16,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:37:16,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:37:16,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:37:16,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:37:16,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:37:16,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:37:16,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:37:16,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:37:16,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:37:16,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:37:16,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:37:16,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:37:16,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:37:16,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:37:16,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:37:16,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:37:16,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:37:16,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:37:16,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:37:16,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:37:16,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:37:16,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:37:16,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:37:16,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:37:16,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:37:16,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:37:16,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:37:16,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:37:16,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:37:16,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:37:16,158 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:37:16,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:37:16,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:37:16,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:37:16,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:37:16,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:37:16,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:37:16,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:37:16,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:37:16,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:37:16,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:37:16,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:37:16,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:37:16,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:37:16,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:37:16,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:37:16,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:37:16,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:37:16,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:37:16,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:37:16,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:37:16,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:37:16,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:37:16,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:37:16,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:37:16,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:37:16,607 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:37:16,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-01-06 19:37:16,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f86e7e8da/94ed7182de1e4e47b3e4cc55dc43c508/FLAG92168792f [2021-01-06 19:37:17,471 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:37:17,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-01-06 19:37:17,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f86e7e8da/94ed7182de1e4e47b3e4cc55dc43c508/FLAG92168792f [2021-01-06 19:37:17,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f86e7e8da/94ed7182de1e4e47b3e4cc55dc43c508 [2021-01-06 19:37:17,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:37:17,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:37:17,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:37:17,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:37:17,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:37:17,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:37:17" (1/1) ... [2021-01-06 19:37:17,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eeb8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:17, skipping insertion in model container [2021-01-06 19:37:17,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:37:17" (1/1) ... [2021-01-06 19:37:17,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:37:17,810 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r121~0,] left hand side expression in assignment: lhs: VariableLHS[~r131~0,] left hand side expression in assignment: lhs: VariableLHS[~r141~0,] left hand side expression in assignment: lhs: VariableLHS[~r211~0,] left hand side expression in assignment: lhs: VariableLHS[~r231~0,] left hand side expression in assignment: lhs: VariableLHS[~r241~0,] left hand side expression in assignment: lhs: VariableLHS[~r311~0,] left hand side expression in assignment: lhs: VariableLHS[~r321~0,] left hand side expression in assignment: lhs: VariableLHS[~r341~0,] left hand side expression in assignment: lhs: VariableLHS[~r411~0,] left hand side expression in assignment: lhs: VariableLHS[~r421~0,] left hand side expression in assignment: lhs: VariableLHS[~r431~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~r122~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~r132~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~r142~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~r212~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~r232~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~r242~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~r312~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~r322~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~r342~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~r412~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~r422~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~r432~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~r123~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~r133~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~r143~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~r213~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~r233~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~r243~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~r313~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~r323~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~r343~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~r413~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~r423~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~r433~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] [2021-01-06 19:37:18,201 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/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2021-01-06 19:37:18,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:37:18,217 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r121~0,] left hand side expression in assignment: lhs: VariableLHS[~r131~0,] left hand side expression in assignment: lhs: VariableLHS[~r141~0,] left hand side expression in assignment: lhs: VariableLHS[~r211~0,] left hand side expression in assignment: lhs: VariableLHS[~r231~0,] left hand side expression in assignment: lhs: VariableLHS[~r241~0,] left hand side expression in assignment: lhs: VariableLHS[~r311~0,] left hand side expression in assignment: lhs: VariableLHS[~r321~0,] left hand side expression in assignment: lhs: VariableLHS[~r341~0,] left hand side expression in assignment: lhs: VariableLHS[~r411~0,] left hand side expression in assignment: lhs: VariableLHS[~r421~0,] left hand side expression in assignment: lhs: VariableLHS[~r431~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~r122~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~r132~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~r142~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~r212~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~r232~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~r242~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~r312~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~r322~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~r342~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~r412~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~r422~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~r432~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~r123~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~r133~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~r143~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~r213~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~r233~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~r243~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~r313~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~r323~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~r343~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~r413~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~r423~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~r433~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] [2021-01-06 19:37:18,318 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/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2021-01-06 19:37:18,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:37:18,340 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:37:18,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18 WrapperNode [2021-01-06 19:37:18,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:37:18,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:37:18,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:37:18,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:37:18,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:37:18,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:37:18,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:37:18,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:37:18,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... [2021-01-06 19:37:18,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:37:18,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:37:18,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:37:18,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:37:18,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:37:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:37:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:37:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:37:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:37:19,945 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:37:19,945 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-01-06 19:37:19,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:37:19 BoogieIcfgContainer [2021-01-06 19:37:19,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:37:19,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:37:19,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:37:19,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:37:19,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:37:17" (1/3) ... [2021-01-06 19:37:19,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f86635c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:37:19, skipping insertion in model container [2021-01-06 19:37:19,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:37:18" (2/3) ... [2021-01-06 19:37:19,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f86635c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:37:19, skipping insertion in model container [2021-01-06 19:37:19,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:37:19" (3/3) ... [2021-01-06 19:37:19,957 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-01-06 19:37:19,964 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:37:19,969 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 19:37:19,988 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 19:37:20,017 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:37:20,017 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:37:20,017 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:37:20,017 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:37:20,018 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:37:20,018 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:37:20,018 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:37:20,018 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:37:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2021-01-06 19:37:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 19:37:20,051 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:20,052 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] [2021-01-06 19:37:20,052 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:20,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:20,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1078131632, now seen corresponding path program 1 times [2021-01-06 19:37:20,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:20,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296154984] [2021-01-06 19:37:20,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:20,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296154984] [2021-01-06 19:37:20,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:20,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:37:20,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175596424] [2021-01-06 19:37:20,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:37:20,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:20,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:37:20,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:37:20,622 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 2 states. [2021-01-06 19:37:20,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:20,682 INFO L93 Difference]: Finished difference Result 405 states and 714 transitions. [2021-01-06 19:37:20,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:37:20,684 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 77 [2021-01-06 19:37:20,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:20,700 INFO L225 Difference]: With dead ends: 405 [2021-01-06 19:37:20,700 INFO L226 Difference]: Without dead ends: 288 [2021-01-06 19:37:20,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:37:20,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-01-06 19:37:20,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2021-01-06 19:37:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2021-01-06 19:37:20,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 515 transitions. [2021-01-06 19:37:20,806 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 515 transitions. Word has length 77 [2021-01-06 19:37:20,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:20,807 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 515 transitions. [2021-01-06 19:37:20,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:37:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 515 transitions. [2021-01-06 19:37:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 19:37:20,817 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:20,819 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] [2021-01-06 19:37:20,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:37:20,819 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:20,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:20,823 INFO L82 PathProgramCache]: Analyzing trace with hash 944118126, now seen corresponding path program 1 times [2021-01-06 19:37:20,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:20,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952579026] [2021-01-06 19:37:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:21,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952579026] [2021-01-06 19:37:21,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:21,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:37:21,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968949918] [2021-01-06 19:37:21,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:37:21,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:21,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:37:21,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:37:21,051 INFO L87 Difference]: Start difference. First operand 288 states and 515 transitions. Second operand 5 states. [2021-01-06 19:37:21,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:21,172 INFO L93 Difference]: Finished difference Result 400 states and 704 transitions. [2021-01-06 19:37:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:37:21,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2021-01-06 19:37:21,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:21,180 INFO L225 Difference]: With dead ends: 400 [2021-01-06 19:37:21,180 INFO L226 Difference]: Without dead ends: 288 [2021-01-06 19:37:21,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:37:21,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-01-06 19:37:21,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2021-01-06 19:37:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2021-01-06 19:37:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 485 transitions. [2021-01-06 19:37:21,198 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 485 transitions. Word has length 77 [2021-01-06 19:37:21,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:21,198 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 485 transitions. [2021-01-06 19:37:21,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:37:21,199 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 485 transitions. [2021-01-06 19:37:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 19:37:21,202 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:21,203 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] [2021-01-06 19:37:21,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:37:21,203 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:21,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:21,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1676331028, now seen corresponding path program 1 times [2021-01-06 19:37:21,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:21,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780392727] [2021-01-06 19:37:21,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:21,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:21,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780392727] [2021-01-06 19:37:21,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:21,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:37:21,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554334081] [2021-01-06 19:37:21,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:37:21,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:21,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:37:21,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:21,402 INFO L87 Difference]: Start difference. First operand 288 states and 485 transitions. Second operand 3 states. [2021-01-06 19:37:21,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:21,466 INFO L93 Difference]: Finished difference Result 493 states and 834 transitions. [2021-01-06 19:37:21,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:37:21,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-06 19:37:21,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:21,471 INFO L225 Difference]: With dead ends: 493 [2021-01-06 19:37:21,471 INFO L226 Difference]: Without dead ends: 385 [2021-01-06 19:37:21,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:21,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-01-06 19:37:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 383. [2021-01-06 19:37:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2021-01-06 19:37:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 643 transitions. [2021-01-06 19:37:21,507 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 643 transitions. Word has length 106 [2021-01-06 19:37:21,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:21,510 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 643 transitions. [2021-01-06 19:37:21,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:37:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 643 transitions. [2021-01-06 19:37:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 19:37:21,520 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:21,520 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] [2021-01-06 19:37:21,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:37:21,521 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:21,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:21,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1628186862, now seen corresponding path program 1 times [2021-01-06 19:37:21,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:21,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10086106] [2021-01-06 19:37:21,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:21,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10086106] [2021-01-06 19:37:21,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:21,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:37:21,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113059619] [2021-01-06 19:37:21,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:37:21,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:21,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:37:21,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:21,621 INFO L87 Difference]: Start difference. First operand 383 states and 643 transitions. Second operand 3 states. [2021-01-06 19:37:21,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:21,650 INFO L93 Difference]: Finished difference Result 581 states and 981 transitions. [2021-01-06 19:37:21,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:37:21,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 19:37:21,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:21,654 INFO L225 Difference]: With dead ends: 581 [2021-01-06 19:37:21,654 INFO L226 Difference]: Without dead ends: 473 [2021-01-06 19:37:21,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:21,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-01-06 19:37:21,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2021-01-06 19:37:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2021-01-06 19:37:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 793 transitions. [2021-01-06 19:37:21,673 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 793 transitions. Word has length 109 [2021-01-06 19:37:21,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:21,673 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 793 transitions. [2021-01-06 19:37:21,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:37:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 793 transitions. [2021-01-06 19:37:21,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 19:37:21,675 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:21,676 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] [2021-01-06 19:37:21,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:37:21,676 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:21,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:21,677 INFO L82 PathProgramCache]: Analyzing trace with hash 366340874, now seen corresponding path program 1 times [2021-01-06 19:37:21,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:21,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380369185] [2021-01-06 19:37:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:21,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380369185] [2021-01-06 19:37:21,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:21,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:37:21,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969396301] [2021-01-06 19:37:21,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:37:21,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:21,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:37:21,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:21,778 INFO L87 Difference]: Start difference. First operand 471 states and 793 transitions. Second operand 3 states. [2021-01-06 19:37:21,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:21,813 INFO L93 Difference]: Finished difference Result 1022 states and 1724 transitions. [2021-01-06 19:37:21,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:37:21,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 19:37:21,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:21,819 INFO L225 Difference]: With dead ends: 1022 [2021-01-06 19:37:21,819 INFO L226 Difference]: Without dead ends: 733 [2021-01-06 19:37:21,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:21,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2021-01-06 19:37:21,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 731. [2021-01-06 19:37:21,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2021-01-06 19:37:21,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1229 transitions. [2021-01-06 19:37:21,848 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1229 transitions. Word has length 109 [2021-01-06 19:37:21,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:21,848 INFO L481 AbstractCegarLoop]: Abstraction has 731 states and 1229 transitions. [2021-01-06 19:37:21,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:37:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1229 transitions. [2021-01-06 19:37:21,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 19:37:21,850 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:21,851 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] [2021-01-06 19:37:21,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:37:21,851 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:21,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:21,852 INFO L82 PathProgramCache]: Analyzing trace with hash 774604903, now seen corresponding path program 1 times [2021-01-06 19:37:21,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:21,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893564474] [2021-01-06 19:37:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:22,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893564474] [2021-01-06 19:37:22,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:22,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:37:22,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300726220] [2021-01-06 19:37:22,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:37:22,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:22,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:37:22,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:22,006 INFO L87 Difference]: Start difference. First operand 731 states and 1229 transitions. Second operand 3 states. [2021-01-06 19:37:22,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:22,063 INFO L93 Difference]: Finished difference Result 1262 states and 2126 transitions. [2021-01-06 19:37:22,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:37:22,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2021-01-06 19:37:22,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:22,074 INFO L225 Difference]: With dead ends: 1262 [2021-01-06 19:37:22,074 INFO L226 Difference]: Without dead ends: 973 [2021-01-06 19:37:22,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:22,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2021-01-06 19:37:22,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 971. [2021-01-06 19:37:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2021-01-06 19:37:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1630 transitions. [2021-01-06 19:37:22,127 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1630 transitions. Word has length 112 [2021-01-06 19:37:22,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:22,127 INFO L481 AbstractCegarLoop]: Abstraction has 971 states and 1630 transitions. [2021-01-06 19:37:22,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:37:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1630 transitions. [2021-01-06 19:37:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 19:37:22,130 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:22,131 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] [2021-01-06 19:37:22,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:37:22,131 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:22,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:22,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1082308739, now seen corresponding path program 1 times [2021-01-06 19:37:22,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:22,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639125537] [2021-01-06 19:37:22,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:22,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639125537] [2021-01-06 19:37:22,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:22,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:37:22,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191775287] [2021-01-06 19:37:22,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:37:22,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:22,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:37:22,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:22,297 INFO L87 Difference]: Start difference. First operand 971 states and 1630 transitions. Second operand 3 states. [2021-01-06 19:37:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:22,371 INFO L93 Difference]: Finished difference Result 2442 states and 4095 transitions. [2021-01-06 19:37:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:37:22,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2021-01-06 19:37:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:22,383 INFO L225 Difference]: With dead ends: 2442 [2021-01-06 19:37:22,383 INFO L226 Difference]: Without dead ends: 1666 [2021-01-06 19:37:22,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:22,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2021-01-06 19:37:22,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1664. [2021-01-06 19:37:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2021-01-06 19:37:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2776 transitions. [2021-01-06 19:37:22,447 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2776 transitions. Word has length 112 [2021-01-06 19:37:22,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:22,448 INFO L481 AbstractCegarLoop]: Abstraction has 1664 states and 2776 transitions. [2021-01-06 19:37:22,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:37:22,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2776 transitions. [2021-01-06 19:37:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-01-06 19:37:22,450 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:22,450 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] [2021-01-06 19:37:22,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:37:22,450 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:22,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:22,451 INFO L82 PathProgramCache]: Analyzing trace with hash 345845541, now seen corresponding path program 1 times [2021-01-06 19:37:22,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:22,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744387213] [2021-01-06 19:37:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:22,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744387213] [2021-01-06 19:37:22,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:22,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:37:22,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068065737] [2021-01-06 19:37:22,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:37:22,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:22,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:37:22,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:22,595 INFO L87 Difference]: Start difference. First operand 1664 states and 2776 transitions. Second operand 3 states. [2021-01-06 19:37:22,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:22,655 INFO L93 Difference]: Finished difference Result 3049 states and 5099 transitions. [2021-01-06 19:37:22,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:37:22,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2021-01-06 19:37:22,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:22,667 INFO L225 Difference]: With dead ends: 3049 [2021-01-06 19:37:22,668 INFO L226 Difference]: Without dead ends: 2273 [2021-01-06 19:37:22,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:22,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2021-01-06 19:37:22,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2271. [2021-01-06 19:37:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2271 states. [2021-01-06 19:37:22,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 3779 transitions. [2021-01-06 19:37:22,750 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 3779 transitions. Word has length 115 [2021-01-06 19:37:22,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:22,751 INFO L481 AbstractCegarLoop]: Abstraction has 2271 states and 3779 transitions. [2021-01-06 19:37:22,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:37:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 3779 transitions. [2021-01-06 19:37:22,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-01-06 19:37:22,752 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:22,753 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] [2021-01-06 19:37:22,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:37:22,753 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:22,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:22,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1349045569, now seen corresponding path program 1 times [2021-01-06 19:37:22,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:22,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108657390] [2021-01-06 19:37:22,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:22,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108657390] [2021-01-06 19:37:22,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:22,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:37:22,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126583558] [2021-01-06 19:37:22,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:37:22,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:22,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:37:22,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:22,857 INFO L87 Difference]: Start difference. First operand 2271 states and 3779 transitions. Second operand 3 states. [2021-01-06 19:37:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:22,987 INFO L93 Difference]: Finished difference Result 6154 states and 10198 transitions. [2021-01-06 19:37:22,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:37:22,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2021-01-06 19:37:22,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:23,011 INFO L225 Difference]: With dead ends: 6154 [2021-01-06 19:37:23,011 INFO L226 Difference]: Without dead ends: 4091 [2021-01-06 19:37:23,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2021-01-06 19:37:23,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 4089. [2021-01-06 19:37:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4089 states. [2021-01-06 19:37:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 4089 states and 6731 transitions. [2021-01-06 19:37:23,185 INFO L78 Accepts]: Start accepts. Automaton has 4089 states and 6731 transitions. Word has length 115 [2021-01-06 19:37:23,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:23,185 INFO L481 AbstractCegarLoop]: Abstraction has 4089 states and 6731 transitions. [2021-01-06 19:37:23,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:37:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4089 states and 6731 transitions. [2021-01-06 19:37:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-01-06 19:37:23,187 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:23,187 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] [2021-01-06 19:37:23,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:37:23,187 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:23,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:23,188 INFO L82 PathProgramCache]: Analyzing trace with hash 613191678, now seen corresponding path program 1 times [2021-01-06 19:37:23,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:23,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646534472] [2021-01-06 19:37:23,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:23,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646534472] [2021-01-06 19:37:23,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:23,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:37:23,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158320954] [2021-01-06 19:37:23,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:37:23,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:23,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:37:23,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:23,308 INFO L87 Difference]: Start difference. First operand 4089 states and 6731 transitions. Second operand 3 states. [2021-01-06 19:37:23,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:23,441 INFO L93 Difference]: Finished difference Result 7688 states and 12684 transitions. [2021-01-06 19:37:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:37:23,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2021-01-06 19:37:23,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:23,473 INFO L225 Difference]: With dead ends: 7688 [2021-01-06 19:37:23,474 INFO L226 Difference]: Without dead ends: 5625 [2021-01-06 19:37:23,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:37:23,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5625 states. [2021-01-06 19:37:23,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5625 to 5623. [2021-01-06 19:37:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5623 states. [2021-01-06 19:37:23,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5623 states to 5623 states and 9216 transitions. [2021-01-06 19:37:23,712 INFO L78 Accepts]: Start accepts. Automaton has 5623 states and 9216 transitions. Word has length 118 [2021-01-06 19:37:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:23,713 INFO L481 AbstractCegarLoop]: Abstraction has 5623 states and 9216 transitions. [2021-01-06 19:37:23,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:37:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 5623 states and 9216 transitions. [2021-01-06 19:37:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-01-06 19:37:23,714 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:23,714 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] [2021-01-06 19:37:23,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:37:23,715 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:23,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:23,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1630772250, now seen corresponding path program 1 times [2021-01-06 19:37:23,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:23,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397644292] [2021-01-06 19:37:23,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:23,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397644292] [2021-01-06 19:37:23,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:23,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:37:23,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013192266] [2021-01-06 19:37:23,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:37:23,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:23,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:37:23,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:37:23,884 INFO L87 Difference]: Start difference. First operand 5623 states and 9216 transitions. Second operand 6 states. [2021-01-06 19:37:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:24,964 INFO L93 Difference]: Finished difference Result 34207 states and 56459 transitions. [2021-01-06 19:37:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:37:24,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2021-01-06 19:37:24,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:25,084 INFO L225 Difference]: With dead ends: 34207 [2021-01-06 19:37:25,084 INFO L226 Difference]: Without dead ends: 28805 [2021-01-06 19:37:25,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:37:25,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28805 states. [2021-01-06 19:37:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28805 to 10955. [2021-01-06 19:37:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10955 states. [2021-01-06 19:37:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10955 states to 10955 states and 17833 transitions. [2021-01-06 19:37:25,842 INFO L78 Accepts]: Start accepts. Automaton has 10955 states and 17833 transitions. Word has length 118 [2021-01-06 19:37:25,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:25,842 INFO L481 AbstractCegarLoop]: Abstraction has 10955 states and 17833 transitions. [2021-01-06 19:37:25,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:37:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 10955 states and 17833 transitions. [2021-01-06 19:37:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 19:37:25,844 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:25,844 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] [2021-01-06 19:37:25,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:37:25,845 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:25,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:25,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1214692757, now seen corresponding path program 1 times [2021-01-06 19:37:25,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:25,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231754572] [2021-01-06 19:37:25,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:26,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231754572] [2021-01-06 19:37:26,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:26,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:37:26,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589827165] [2021-01-06 19:37:26,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:37:26,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:26,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:37:26,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:37:26,002 INFO L87 Difference]: Start difference. First operand 10955 states and 17833 transitions. Second operand 4 states. [2021-01-06 19:37:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:26,759 INFO L93 Difference]: Finished difference Result 32409 states and 53121 transitions. [2021-01-06 19:37:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:37:26,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2021-01-06 19:37:26,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:26,809 INFO L225 Difference]: With dead ends: 32409 [2021-01-06 19:37:26,810 INFO L226 Difference]: Without dead ends: 21675 [2021-01-06 19:37:26,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:37:26,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21675 states. [2021-01-06 19:37:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21675 to 18000. [2021-01-06 19:37:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18000 states. [2021-01-06 19:37:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18000 states to 18000 states and 29332 transitions. [2021-01-06 19:37:27,669 INFO L78 Accepts]: Start accepts. Automaton has 18000 states and 29332 transitions. Word has length 119 [2021-01-06 19:37:27,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:27,669 INFO L481 AbstractCegarLoop]: Abstraction has 18000 states and 29332 transitions. [2021-01-06 19:37:27,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:37:27,669 INFO L276 IsEmpty]: Start isEmpty. Operand 18000 states and 29332 transitions. [2021-01-06 19:37:27,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-01-06 19:37:27,671 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:27,671 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] [2021-01-06 19:37:27,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:37:27,672 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:27,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:27,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1370134705, now seen corresponding path program 1 times [2021-01-06 19:37:27,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:27,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509170907] [2021-01-06 19:37:27,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:27,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509170907] [2021-01-06 19:37:27,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:27,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:37:27,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929798160] [2021-01-06 19:37:27,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:37:27,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:27,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:37:27,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:37:27,786 INFO L87 Difference]: Start difference. First operand 18000 states and 29332 transitions. Second operand 4 states. [2021-01-06 19:37:28,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:28,920 INFO L93 Difference]: Finished difference Result 52867 states and 86391 transitions. [2021-01-06 19:37:28,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:37:28,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2021-01-06 19:37:28,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:29,001 INFO L225 Difference]: With dead ends: 52867 [2021-01-06 19:37:29,001 INFO L226 Difference]: Without dead ends: 35088 [2021-01-06 19:37:29,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:37:29,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35088 states. [2021-01-06 19:37:30,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35088 to 29437. [2021-01-06 19:37:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29437 states. [2021-01-06 19:37:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29437 states to 29437 states and 47781 transitions. [2021-01-06 19:37:30,277 INFO L78 Accepts]: Start accepts. Automaton has 29437 states and 47781 transitions. Word has length 120 [2021-01-06 19:37:30,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:30,277 INFO L481 AbstractCegarLoop]: Abstraction has 29437 states and 47781 transitions. [2021-01-06 19:37:30,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:37:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 29437 states and 47781 transitions. [2021-01-06 19:37:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-01-06 19:37:30,279 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:30,279 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] [2021-01-06 19:37:30,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:37:30,280 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:30,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:30,280 INFO L82 PathProgramCache]: Analyzing trace with hash 2062872140, now seen corresponding path program 1 times [2021-01-06 19:37:30,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:30,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520495444] [2021-01-06 19:37:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:30,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520495444] [2021-01-06 19:37:30,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:30,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:37:30,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985427280] [2021-01-06 19:37:30,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:37:30,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:30,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:37:30,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:37:30,371 INFO L87 Difference]: Start difference. First operand 29437 states and 47781 transitions. Second operand 4 states. [2021-01-06 19:37:32,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:32,089 INFO L93 Difference]: Finished difference Result 85939 states and 139899 transitions. [2021-01-06 19:37:32,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:37:32,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2021-01-06 19:37:32,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:32,225 INFO L225 Difference]: With dead ends: 85939 [2021-01-06 19:37:32,225 INFO L226 Difference]: Without dead ends: 56723 [2021-01-06 19:37:32,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:37:32,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56723 states. [2021-01-06 19:37:33,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56723 to 47882. [2021-01-06 19:37:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47882 states. [2021-01-06 19:37:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47882 states to 47882 states and 77418 transitions. [2021-01-06 19:37:33,919 INFO L78 Accepts]: Start accepts. Automaton has 47882 states and 77418 transitions. Word has length 121 [2021-01-06 19:37:33,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:33,919 INFO L481 AbstractCegarLoop]: Abstraction has 47882 states and 77418 transitions. [2021-01-06 19:37:33,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:37:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 47882 states and 77418 transitions. [2021-01-06 19:37:33,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 19:37:33,921 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:33,922 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, 1] [2021-01-06 19:37:33,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:37:33,922 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:33,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:33,923 INFO L82 PathProgramCache]: Analyzing trace with hash -2063066808, now seen corresponding path program 1 times [2021-01-06 19:37:33,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:33,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908398913] [2021-01-06 19:37:33,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:34,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908398913] [2021-01-06 19:37:34,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:34,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:37:34,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325846215] [2021-01-06 19:37:34,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:37:34,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:34,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:37:34,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:37:34,237 INFO L87 Difference]: Start difference. First operand 47882 states and 77418 transitions. Second operand 4 states. [2021-01-06 19:37:36,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:36,291 INFO L93 Difference]: Finished difference Result 137691 states and 223311 transitions. [2021-01-06 19:37:36,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:37:36,292 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2021-01-06 19:37:36,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:36,551 INFO L225 Difference]: With dead ends: 137691 [2021-01-06 19:37:36,551 INFO L226 Difference]: Without dead ends: 90030 [2021-01-06 19:37:36,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:37:36,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90030 states. [2021-01-06 19:37:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90030 to 76931. [2021-01-06 19:37:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76931 states. [2021-01-06 19:37:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76931 states to 76931 states and 123919 transitions. [2021-01-06 19:37:39,076 INFO L78 Accepts]: Start accepts. Automaton has 76931 states and 123919 transitions. Word has length 122 [2021-01-06 19:37:39,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:39,076 INFO L481 AbstractCegarLoop]: Abstraction has 76931 states and 123919 transitions. [2021-01-06 19:37:39,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:37:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 76931 states and 123919 transitions. [2021-01-06 19:37:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-01-06 19:37:39,078 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:39,078 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, 1, 1, 1] [2021-01-06 19:37:39,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:37:39,079 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:39,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:39,079 INFO L82 PathProgramCache]: Analyzing trace with hash -548465248, now seen corresponding path program 1 times [2021-01-06 19:37:39,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:39,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133270211] [2021-01-06 19:37:39,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:39,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133270211] [2021-01-06 19:37:39,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:39,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:37:39,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097598125] [2021-01-06 19:37:39,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:37:39,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:39,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:37:39,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:37:39,304 INFO L87 Difference]: Start difference. First operand 76931 states and 123919 transitions. Second operand 6 states. [2021-01-06 19:37:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:42,124 INFO L93 Difference]: Finished difference Result 185505 states and 299631 transitions. [2021-01-06 19:37:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:37:42,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2021-01-06 19:37:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:42,290 INFO L225 Difference]: With dead ends: 185505 [2021-01-06 19:37:42,290 INFO L226 Difference]: Without dead ends: 108795 [2021-01-06 19:37:42,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:37:42,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108795 states. [2021-01-06 19:37:44,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108795 to 76931. [2021-01-06 19:37:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76931 states. [2021-01-06 19:37:44,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76931 states to 76931 states and 123294 transitions. [2021-01-06 19:37:44,888 INFO L78 Accepts]: Start accepts. Automaton has 76931 states and 123294 transitions. Word has length 124 [2021-01-06 19:37:44,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:44,889 INFO L481 AbstractCegarLoop]: Abstraction has 76931 states and 123294 transitions. [2021-01-06 19:37:44,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:37:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 76931 states and 123294 transitions. [2021-01-06 19:37:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-01-06 19:37:44,890 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:44,891 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, 1, 1, 1, 1, 1, 1] [2021-01-06 19:37:44,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:37:44,891 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:44,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:44,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1974939087, now seen corresponding path program 1 times [2021-01-06 19:37:44,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:44,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368628839] [2021-01-06 19:37:44,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:45,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368628839] [2021-01-06 19:37:45,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:45,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:37:45,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904033396] [2021-01-06 19:37:45,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:37:45,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:45,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:37:45,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:37:45,117 INFO L87 Difference]: Start difference. First operand 76931 states and 123294 transitions. Second operand 6 states. [2021-01-06 19:37:48,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:37:48,877 INFO L93 Difference]: Finished difference Result 221524 states and 356287 transitions. [2021-01-06 19:37:48,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:37:48,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2021-01-06 19:37:48,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:37:49,152 INFO L225 Difference]: With dead ends: 221524 [2021-01-06 19:37:49,153 INFO L226 Difference]: Without dead ends: 144814 [2021-01-06 19:37:49,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:37:49,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144814 states. [2021-01-06 19:37:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144814 to 144810. [2021-01-06 19:37:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144810 states. [2021-01-06 19:37:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144810 states to 144810 states and 231735 transitions. [2021-01-06 19:37:53,702 INFO L78 Accepts]: Start accepts. Automaton has 144810 states and 231735 transitions. Word has length 127 [2021-01-06 19:37:53,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:37:53,702 INFO L481 AbstractCegarLoop]: Abstraction has 144810 states and 231735 transitions. [2021-01-06 19:37:53,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:37:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 144810 states and 231735 transitions. [2021-01-06 19:37:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-01-06 19:37:53,704 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:37:53,704 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, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:37:53,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:37:53,705 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:37:53,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:37:53,705 INFO L82 PathProgramCache]: Analyzing trace with hash 662224137, now seen corresponding path program 1 times [2021-01-06 19:37:53,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:37:53,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705113596] [2021-01-06 19:37:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:37:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:37:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:37:53,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705113596] [2021-01-06 19:37:53,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:37:53,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:37:53,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247983972] [2021-01-06 19:37:53,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:37:53,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:37:53,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:37:53,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:37:53,913 INFO L87 Difference]: Start difference. First operand 144810 states and 231735 transitions. Second operand 8 states. [2021-01-06 19:38:01,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:38:01,796 INFO L93 Difference]: Finished difference Result 286433 states and 454081 transitions. [2021-01-06 19:38:01,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 19:38:01,797 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2021-01-06 19:38:01,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:38:02,306 INFO L225 Difference]: With dead ends: 286433 [2021-01-06 19:38:02,307 INFO L226 Difference]: Without dead ends: 286431 [2021-01-06 19:38:02,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-01-06 19:38:02,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286431 states. [2021-01-06 19:38:08,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286431 to 150750. [2021-01-06 19:38:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150750 states. [2021-01-06 19:38:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150750 states to 150750 states and 237648 transitions. [2021-01-06 19:38:08,896 INFO L78 Accepts]: Start accepts. Automaton has 150750 states and 237648 transitions. Word has length 128 [2021-01-06 19:38:08,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:38:08,897 INFO L481 AbstractCegarLoop]: Abstraction has 150750 states and 237648 transitions. [2021-01-06 19:38:08,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:38:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 150750 states and 237648 transitions. [2021-01-06 19:38:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 19:38:08,930 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:38:08,930 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:38:08,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:38:08,931 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:38:08,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:38:08,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1701810355, now seen corresponding path program 1 times [2021-01-06 19:38:08,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:38:08,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569530392] [2021-01-06 19:38:08,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:38:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:38:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:38:09,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569530392] [2021-01-06 19:38:09,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:38:09,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:38:09,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999297284] [2021-01-06 19:38:09,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:38:09,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:38:09,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:38:09,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:38:09,111 INFO L87 Difference]: Start difference. First operand 150750 states and 237648 transitions. Second operand 6 states. [2021-01-06 19:38:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:38:16,524 INFO L93 Difference]: Finished difference Result 281996 states and 450013 transitions. [2021-01-06 19:38:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:38:16,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2021-01-06 19:38:16,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:38:16,952 INFO L225 Difference]: With dead ends: 281996 [2021-01-06 19:38:16,952 INFO L226 Difference]: Without dead ends: 233970 [2021-01-06 19:38:17,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:38:17,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233970 states. [2021-01-06 19:38:24,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233970 to 191322. [2021-01-06 19:38:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191322 states. [2021-01-06 19:38:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191322 states to 191322 states and 302740 transitions. [2021-01-06 19:38:24,614 INFO L78 Accepts]: Start accepts. Automaton has 191322 states and 302740 transitions. Word has length 163 [2021-01-06 19:38:24,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:38:24,614 INFO L481 AbstractCegarLoop]: Abstraction has 191322 states and 302740 transitions. [2021-01-06 19:38:24,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:38:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 191322 states and 302740 transitions. [2021-01-06 19:38:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 19:38:24,624 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:38:24,625 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:38:24,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:38:24,625 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:38:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:38:24,626 INFO L82 PathProgramCache]: Analyzing trace with hash -666615827, now seen corresponding path program 1 times [2021-01-06 19:38:24,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:38:24,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586094637] [2021-01-06 19:38:24,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:38:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:38:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 19:38:25,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586094637] [2021-01-06 19:38:25,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:38:25,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:38:25,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277561156] [2021-01-06 19:38:25,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:38:25,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:38:25,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:38:25,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:38:25,136 INFO L87 Difference]: Start difference. First operand 191322 states and 302740 transitions. Second operand 6 states. [2021-01-06 19:38:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:38:32,841 INFO L93 Difference]: Finished difference Result 293624 states and 467955 transitions. [2021-01-06 19:38:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:38:32,841 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2021-01-06 19:38:32,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:38:33,468 INFO L225 Difference]: With dead ends: 293624 [2021-01-06 19:38:33,468 INFO L226 Difference]: Without dead ends: 252622 [2021-01-06 19:38:33,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:38:33,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252622 states. [2021-01-06 19:38:41,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252622 to 211314. [2021-01-06 19:38:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211314 states. [2021-01-06 19:38:41,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211314 states to 211314 states and 334560 transitions. [2021-01-06 19:38:41,970 INFO L78 Accepts]: Start accepts. Automaton has 211314 states and 334560 transitions. Word has length 163 [2021-01-06 19:38:41,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:38:41,970 INFO L481 AbstractCegarLoop]: Abstraction has 211314 states and 334560 transitions. [2021-01-06 19:38:41,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:38:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 211314 states and 334560 transitions. [2021-01-06 19:38:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 19:38:41,980 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:38:41,980 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:38:41,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:38:41,981 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:38:41,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:38:41,981 INFO L82 PathProgramCache]: Analyzing trace with hash 822278682, now seen corresponding path program 1 times [2021-01-06 19:38:41,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:38:41,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215777544] [2021-01-06 19:38:41,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:38:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:38:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 19:38:42,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215777544] [2021-01-06 19:38:42,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:38:42,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:38:42,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790612634] [2021-01-06 19:38:42,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:38:42,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:38:42,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:38:42,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:38:42,427 INFO L87 Difference]: Start difference. First operand 211314 states and 334560 transitions. Second operand 6 states. [2021-01-06 19:38:50,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:38:50,057 INFO L93 Difference]: Finished difference Result 285364 states and 454015 transitions. [2021-01-06 19:38:50,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:38:50,057 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2021-01-06 19:38:50,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:38:50,499 INFO L225 Difference]: With dead ends: 285364 [2021-01-06 19:38:50,500 INFO L226 Difference]: Without dead ends: 244362 [2021-01-06 19:38:50,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:38:50,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244362 states. [2021-01-06 19:39:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244362 to 231306. [2021-01-06 19:39:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231306 states. [2021-01-06 19:39:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231306 states to 231306 states and 366380 transitions. [2021-01-06 19:39:01,468 INFO L78 Accepts]: Start accepts. Automaton has 231306 states and 366380 transitions. Word has length 163 [2021-01-06 19:39:01,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:39:01,469 INFO L481 AbstractCegarLoop]: Abstraction has 231306 states and 366380 transitions. [2021-01-06 19:39:01,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:39:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 231306 states and 366380 transitions. [2021-01-06 19:39:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 19:39:01,477 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:39:01,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:39:01,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:39:01,478 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:39:01,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:39:01,478 INFO L82 PathProgramCache]: Analyzing trace with hash 93542074, now seen corresponding path program 1 times [2021-01-06 19:39:01,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:39:01,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017915219] [2021-01-06 19:39:01,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:39:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:39:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-01-06 19:39:01,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017915219] [2021-01-06 19:39:01,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:39:01,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:39:01,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501495220] [2021-01-06 19:39:01,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:39:01,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:39:01,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:39:01,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:39:01,649 INFO L87 Difference]: Start difference. First operand 231306 states and 366380 transitions. Second operand 6 states. [2021-01-06 19:39:11,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:39:11,357 INFO L93 Difference]: Finished difference Result 331088 states and 527503 transitions. [2021-01-06 19:39:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:39:11,358 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2021-01-06 19:39:11,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:39:11,899 INFO L225 Difference]: With dead ends: 331088 [2021-01-06 19:39:11,899 INFO L226 Difference]: Without dead ends: 290086 [2021-01-06 19:39:11,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:39:12,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290086 states. [2021-01-06 19:39:21,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290086 to 251298. [2021-01-06 19:39:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251298 states. [2021-01-06 19:39:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251298 states to 251298 states and 398200 transitions. [2021-01-06 19:39:22,571 INFO L78 Accepts]: Start accepts. Automaton has 251298 states and 398200 transitions. Word has length 163 [2021-01-06 19:39:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:39:22,572 INFO L481 AbstractCegarLoop]: Abstraction has 251298 states and 398200 transitions. [2021-01-06 19:39:22,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:39:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 251298 states and 398200 transitions. [2021-01-06 19:39:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-06 19:39:22,578 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:39:22,578 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:39:22,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:39:22,578 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:39:22,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:39:22,578 INFO L82 PathProgramCache]: Analyzing trace with hash -641215705, now seen corresponding path program 1 times [2021-01-06 19:39:22,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:39:22,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875404572] [2021-01-06 19:39:22,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:39:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:39:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:39:23,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875404572] [2021-01-06 19:39:23,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:39:23,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:39:23,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500595050] [2021-01-06 19:39:23,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:39:23,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:39:23,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:39:23,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:39:23,482 INFO L87 Difference]: Start difference. First operand 251298 states and 398200 transitions. Second operand 6 states. [2021-01-06 19:39:47,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:39:47,357 INFO L93 Difference]: Finished difference Result 740771 states and 1174209 transitions. [2021-01-06 19:39:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:39:47,358 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2021-01-06 19:39:47,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:39:48,812 INFO L225 Difference]: With dead ends: 740771 [2021-01-06 19:39:48,812 INFO L226 Difference]: Without dead ends: 609937 [2021-01-06 19:39:49,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:39:49,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609937 states. [2021-01-06 19:40:12,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609937 to 461180. [2021-01-06 19:40:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461180 states. [2021-01-06 19:40:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461180 states to 461180 states and 732863 transitions. [2021-01-06 19:40:14,402 INFO L78 Accepts]: Start accepts. Automaton has 461180 states and 732863 transitions. Word has length 164 [2021-01-06 19:40:14,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:40:14,406 INFO L481 AbstractCegarLoop]: Abstraction has 461180 states and 732863 transitions. [2021-01-06 19:40:14,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:40:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 461180 states and 732863 transitions. [2021-01-06 19:40:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-06 19:40:14,415 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:40:14,415 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:40:14,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 19:40:14,416 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:40:14,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:40:14,427 INFO L82 PathProgramCache]: Analyzing trace with hash 983847106, now seen corresponding path program 1 times [2021-01-06 19:40:14,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:40:14,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393213778] [2021-01-06 19:40:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:40:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:40:15,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:40:15,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393213778] [2021-01-06 19:40:15,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:40:15,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:40:15,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89854762] [2021-01-06 19:40:15,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:40:15,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:40:15,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:40:15,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:40:15,381 INFO L87 Difference]: Start difference. First operand 461180 states and 732863 transitions. Second operand 4 states. [2021-01-06 19:40:34,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:40:34,201 INFO L93 Difference]: Finished difference Result 647996 states and 1033392 transitions. [2021-01-06 19:40:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:40:34,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2021-01-06 19:40:34,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:40:35,385 INFO L225 Difference]: With dead ends: 647996 [2021-01-06 19:40:35,386 INFO L226 Difference]: Without dead ends: 461336 [2021-01-06 19:40:35,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:40:35,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461336 states.