/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.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:45:58,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:45:58,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:45:58,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:45:58,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:45:58,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:45:58,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:45:58,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:45:58,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:45:58,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:45:58,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:45:58,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:45:58,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:45:58,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:45:58,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:45:58,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:45:58,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:45:58,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:45:58,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:45:58,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:45:58,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:45:58,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:45:58,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:45:58,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:45:58,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:45:58,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:45:58,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:45:58,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:45:58,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:45:58,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:45:58,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:45:58,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:45:58,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:45:58,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:45:58,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:45:58,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:45:58,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:45:58,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:45:58,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:45:58,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:45:58,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:45:58,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:45:58,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:45:58,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:45:58,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:45:58,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:45:58,777 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:45:58,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:45:58,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:45:58,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:45:58,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:45:58,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:45:58,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:45:58,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:45:58,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:45:58,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:45:58,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:45:58,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:45:58,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:45:58,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:45:58,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:45:58,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:45:58,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:45:58,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:45:58,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:45:58,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:45:58,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:45:58,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:45:59,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:45:59,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:45:59,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:45:59,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:45:59,261 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:45:59,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2020-12-23 09:45:59,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d22717e63/7e18fb3749f44aefb4e5edabc2c26643/FLAG2072ceae2 [2020-12-23 09:46:00,044 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:46:00,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2020-12-23 09:46:00,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d22717e63/7e18fb3749f44aefb4e5edabc2c26643/FLAG2072ceae2 [2020-12-23 09:46:00,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d22717e63/7e18fb3749f44aefb4e5edabc2c26643 [2020-12-23 09:46:00,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:46:00,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:46:00,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:46:00,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:46:00,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:46:00,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:00,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a2e33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00, skipping insertion in model container [2020-12-23 09:46:00,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:00,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:46:00,428 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___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,] [2020-12-23 09:46:00,820 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.ufo.BOUNDED-8.pals.c[28192,28205] [2020-12-23 09:46:00,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:46:00,835 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___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,] [2020-12-23 09:46:00,938 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.ufo.BOUNDED-8.pals.c[28192,28205] [2020-12-23 09:46:00,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:46:00,975 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:46:00,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00 WrapperNode [2020-12-23 09:46:00,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:46:00,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:46:00,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:46:00,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:46:00,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:46:01,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:46:01,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:46:01,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:46:01,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... [2020-12-23 09:46:01,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:46:01,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:46:01,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:46:01,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:46:01,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:46:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:46:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:46:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:46:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:46:02,681 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:46:02,682 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2020-12-23 09:46:02,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:46:02 BoogieIcfgContainer [2020-12-23 09:46:02,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:46:02,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:46:02,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:46:02,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:46:02,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:46:00" (1/3) ... [2020-12-23 09:46:02,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d83152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:46:02, skipping insertion in model container [2020-12-23 09:46:02,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:00" (2/3) ... [2020-12-23 09:46:02,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d83152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:46:02, skipping insertion in model container [2020-12-23 09:46:02,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:46:02" (3/3) ... [2020-12-23 09:46:02,694 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.ufo.BOUNDED-8.pals.c [2020-12-23 09:46:02,701 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:46:02,706 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 09:46:02,726 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 09:46:02,756 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:46:02,756 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:46:02,756 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:46:02,757 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:46:02,757 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:46:02,757 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:46:02,757 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:46:02,757 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:46:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-12-23 09:46:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:46:02,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:02,797 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] [2020-12-23 09:46:02,797 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:02,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:02,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2110216456, now seen corresponding path program 1 times [2020-12-23 09:46:02,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:02,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191540117] [2020-12-23 09:46:02,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:03,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191540117] [2020-12-23 09:46:03,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:03,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:46:03,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161109291] [2020-12-23 09:46:03,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:46:03,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:03,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:46:03,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:46:03,299 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 2 states. [2020-12-23 09:46:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:03,352 INFO L93 Difference]: Finished difference Result 417 states and 738 transitions. [2020-12-23 09:46:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:46:03,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 77 [2020-12-23 09:46:03,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:03,381 INFO L225 Difference]: With dead ends: 417 [2020-12-23 09:46:03,381 INFO L226 Difference]: Without dead ends: 300 [2020-12-23 09:46:03,385 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 [2020-12-23 09:46:03,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-12-23 09:46:03,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2020-12-23 09:46:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-12-23 09:46:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 539 transitions. [2020-12-23 09:46:03,454 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 539 transitions. Word has length 77 [2020-12-23 09:46:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:03,455 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 539 transitions. [2020-12-23 09:46:03,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:46:03,455 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 539 transitions. [2020-12-23 09:46:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:46:03,461 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:03,461 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] [2020-12-23 09:46:03,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:46:03,462 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:03,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:03,463 INFO L82 PathProgramCache]: Analyzing trace with hash 2050737334, now seen corresponding path program 1 times [2020-12-23 09:46:03,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:03,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709779398] [2020-12-23 09:46:03,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:03,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709779398] [2020-12-23 09:46:03,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:03,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:46:03,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962488162] [2020-12-23 09:46:03,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:46:03,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:03,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:46:03,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:03,706 INFO L87 Difference]: Start difference. First operand 300 states and 539 transitions. Second operand 5 states. [2020-12-23 09:46:03,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:03,898 INFO L93 Difference]: Finished difference Result 412 states and 728 transitions. [2020-12-23 09:46:03,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:46:03,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 09:46:03,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:03,907 INFO L225 Difference]: With dead ends: 412 [2020-12-23 09:46:03,907 INFO L226 Difference]: Without dead ends: 300 [2020-12-23 09:46:03,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:46:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-12-23 09:46:03,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2020-12-23 09:46:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-12-23 09:46:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 497 transitions. [2020-12-23 09:46:03,959 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 497 transitions. Word has length 77 [2020-12-23 09:46:03,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:03,960 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 497 transitions. [2020-12-23 09:46:03,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:46:03,968 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 497 transitions. [2020-12-23 09:46:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:46:03,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:03,977 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] [2020-12-23 09:46:03,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:46:03,982 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:03,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:03,983 INFO L82 PathProgramCache]: Analyzing trace with hash 255571390, now seen corresponding path program 1 times [2020-12-23 09:46:03,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:03,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764113907] [2020-12-23 09:46:03,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:04,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764113907] [2020-12-23 09:46:04,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:04,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:04,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280795531] [2020-12-23 09:46:04,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:04,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:04,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:04,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:04,172 INFO L87 Difference]: Start difference. First operand 300 states and 497 transitions. Second operand 3 states. [2020-12-23 09:46:04,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:04,216 INFO L93 Difference]: Finished difference Result 505 states and 846 transitions. [2020-12-23 09:46:04,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:04,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-12-23 09:46:04,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:04,220 INFO L225 Difference]: With dead ends: 505 [2020-12-23 09:46:04,220 INFO L226 Difference]: Without dead ends: 397 [2020-12-23 09:46:04,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:04,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-12-23 09:46:04,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 395. [2020-12-23 09:46:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 09:46:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 655 transitions. [2020-12-23 09:46:04,238 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 655 transitions. Word has length 118 [2020-12-23 09:46:04,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:04,238 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 655 transitions. [2020-12-23 09:46:04,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 655 transitions. [2020-12-23 09:46:04,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:46:04,248 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:04,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:04,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:46:04,249 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:04,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:04,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1923540700, now seen corresponding path program 1 times [2020-12-23 09:46:04,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:04,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749244390] [2020-12-23 09:46:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:04,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749244390] [2020-12-23 09:46:04,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:04,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:04,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580000676] [2020-12-23 09:46:04,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:04,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:04,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:04,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:04,452 INFO L87 Difference]: Start difference. First operand 395 states and 655 transitions. Second operand 3 states. [2020-12-23 09:46:04,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:04,490 INFO L93 Difference]: Finished difference Result 593 states and 993 transitions. [2020-12-23 09:46:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:04,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:46:04,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:04,498 INFO L225 Difference]: With dead ends: 593 [2020-12-23 09:46:04,499 INFO L226 Difference]: Without dead ends: 485 [2020-12-23 09:46:04,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:04,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-12-23 09:46:04,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2020-12-23 09:46:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-12-23 09:46:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 805 transitions. [2020-12-23 09:46:04,536 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 805 transitions. Word has length 121 [2020-12-23 09:46:04,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:04,538 INFO L481 AbstractCegarLoop]: Abstraction has 483 states and 805 transitions. [2020-12-23 09:46:04,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:04,538 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 805 transitions. [2020-12-23 09:46:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:46:04,545 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:04,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:04,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:46:04,546 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:04,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:04,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1109580608, now seen corresponding path program 1 times [2020-12-23 09:46:04,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:04,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975031660] [2020-12-23 09:46:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:04,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975031660] [2020-12-23 09:46:04,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:04,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:04,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402744178] [2020-12-23 09:46:04,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:04,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:04,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:04,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:04,829 INFO L87 Difference]: Start difference. First operand 483 states and 805 transitions. Second operand 3 states. [2020-12-23 09:46:04,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:04,894 INFO L93 Difference]: Finished difference Result 1034 states and 1736 transitions. [2020-12-23 09:46:04,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:04,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:46:04,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:04,902 INFO L225 Difference]: With dead ends: 1034 [2020-12-23 09:46:04,902 INFO L226 Difference]: Without dead ends: 745 [2020-12-23 09:46:04,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:04,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-12-23 09:46:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 743. [2020-12-23 09:46:04,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-12-23 09:46:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1241 transitions. [2020-12-23 09:46:04,944 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1241 transitions. Word has length 121 [2020-12-23 09:46:04,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:04,945 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 1241 transitions. [2020-12-23 09:46:04,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1241 transitions. [2020-12-23 09:46:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:46:04,951 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:04,952 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] [2020-12-23 09:46:04,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:46:04,952 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:04,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:04,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2073181113, now seen corresponding path program 1 times [2020-12-23 09:46:04,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:04,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627601384] [2020-12-23 09:46:04,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:05,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627601384] [2020-12-23 09:46:05,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:05,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:05,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434366238] [2020-12-23 09:46:05,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:05,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:05,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:05,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:05,084 INFO L87 Difference]: Start difference. First operand 743 states and 1241 transitions. Second operand 3 states. [2020-12-23 09:46:05,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:05,138 INFO L93 Difference]: Finished difference Result 1274 states and 2138 transitions. [2020-12-23 09:46:05,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:05,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 09:46:05,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:05,146 INFO L225 Difference]: With dead ends: 1274 [2020-12-23 09:46:05,146 INFO L226 Difference]: Without dead ends: 985 [2020-12-23 09:46:05,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-12-23 09:46:05,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 983. [2020-12-23 09:46:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983 states. [2020-12-23 09:46:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1642 transitions. [2020-12-23 09:46:05,190 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1642 transitions. Word has length 124 [2020-12-23 09:46:05,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:05,191 INFO L481 AbstractCegarLoop]: Abstraction has 983 states and 1642 transitions. [2020-12-23 09:46:05,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1642 transitions. [2020-12-23 09:46:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:46:05,193 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:05,193 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] [2020-12-23 09:46:05,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:46:05,194 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:05,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:05,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1914082347, now seen corresponding path program 1 times [2020-12-23 09:46:05,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:05,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838997505] [2020-12-23 09:46:05,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:05,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:05,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838997505] [2020-12-23 09:46:05,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:05,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:05,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296621756] [2020-12-23 09:46:05,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:05,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:05,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:05,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:05,416 INFO L87 Difference]: Start difference. First operand 983 states and 1642 transitions. Second operand 3 states. [2020-12-23 09:46:05,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:05,467 INFO L93 Difference]: Finished difference Result 2454 states and 4107 transitions. [2020-12-23 09:46:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:05,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 09:46:05,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:05,477 INFO L225 Difference]: With dead ends: 2454 [2020-12-23 09:46:05,477 INFO L226 Difference]: Without dead ends: 1678 [2020-12-23 09:46:05,479 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 [2020-12-23 09:46:05,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2020-12-23 09:46:05,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1676. [2020-12-23 09:46:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1676 states. [2020-12-23 09:46:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2788 transitions. [2020-12-23 09:46:05,534 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2788 transitions. Word has length 124 [2020-12-23 09:46:05,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:05,535 INFO L481 AbstractCegarLoop]: Abstraction has 1676 states and 2788 transitions. [2020-12-23 09:46:05,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2788 transitions. [2020-12-23 09:46:05,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:46:05,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:05,537 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] [2020-12-23 09:46:05,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:46:05,537 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:05,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:05,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1459354075, now seen corresponding path program 1 times [2020-12-23 09:46:05,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:05,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309267521] [2020-12-23 09:46:05,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:05,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309267521] [2020-12-23 09:46:05,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:05,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:05,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818849270] [2020-12-23 09:46:05,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:05,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:05,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:05,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:05,641 INFO L87 Difference]: Start difference. First operand 1676 states and 2788 transitions. Second operand 3 states. [2020-12-23 09:46:05,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:05,695 INFO L93 Difference]: Finished difference Result 3061 states and 5111 transitions. [2020-12-23 09:46:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:05,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-23 09:46:05,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:05,708 INFO L225 Difference]: With dead ends: 3061 [2020-12-23 09:46:05,709 INFO L226 Difference]: Without dead ends: 2285 [2020-12-23 09:46:05,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:05,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2020-12-23 09:46:05,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2283. [2020-12-23 09:46:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2020-12-23 09:46:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3791 transitions. [2020-12-23 09:46:05,807 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3791 transitions. Word has length 127 [2020-12-23 09:46:05,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:05,808 INFO L481 AbstractCegarLoop]: Abstraction has 2283 states and 3791 transitions. [2020-12-23 09:46:05,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3791 transitions. [2020-12-23 09:46:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:46:05,810 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:05,810 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] [2020-12-23 09:46:05,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:46:05,811 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:05,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:05,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1832413193, now seen corresponding path program 1 times [2020-12-23 09:46:05,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:05,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250668571] [2020-12-23 09:46:05,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:05,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:05,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250668571] [2020-12-23 09:46:05,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:05,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:05,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080549100] [2020-12-23 09:46:05,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:05,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:05,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:05,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:05,919 INFO L87 Difference]: Start difference. First operand 2283 states and 3791 transitions. Second operand 3 states. [2020-12-23 09:46:06,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:06,018 INFO L93 Difference]: Finished difference Result 6166 states and 10210 transitions. [2020-12-23 09:46:06,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:06,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-23 09:46:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:06,041 INFO L225 Difference]: With dead ends: 6166 [2020-12-23 09:46:06,041 INFO L226 Difference]: Without dead ends: 4103 [2020-12-23 09:46:06,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:06,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4103 states. [2020-12-23 09:46:06,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4103 to 4101. [2020-12-23 09:46:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4101 states. [2020-12-23 09:46:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 4101 states and 6743 transitions. [2020-12-23 09:46:06,236 INFO L78 Accepts]: Start accepts. Automaton has 4101 states and 6743 transitions. Word has length 127 [2020-12-23 09:46:06,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:06,241 INFO L481 AbstractCegarLoop]: Abstraction has 4101 states and 6743 transitions. [2020-12-23 09:46:06,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:06,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4101 states and 6743 transitions. [2020-12-23 09:46:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 09:46:06,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:06,244 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, 1, 1] [2020-12-23 09:46:06,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:46:06,244 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:06,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:06,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1181394736, now seen corresponding path program 1 times [2020-12-23 09:46:06,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:06,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483563785] [2020-12-23 09:46:06,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:06,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483563785] [2020-12-23 09:46:06,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:06,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:06,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148587303] [2020-12-23 09:46:06,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:06,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:06,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:06,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:06,399 INFO L87 Difference]: Start difference. First operand 4101 states and 6743 transitions. Second operand 3 states. [2020-12-23 09:46:06,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:06,546 INFO L93 Difference]: Finished difference Result 7700 states and 12696 transitions. [2020-12-23 09:46:06,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:06,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-12-23 09:46:06,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:06,579 INFO L225 Difference]: With dead ends: 7700 [2020-12-23 09:46:06,579 INFO L226 Difference]: Without dead ends: 5637 [2020-12-23 09:46:06,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:06,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2020-12-23 09:46:06,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5635. [2020-12-23 09:46:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2020-12-23 09:46:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 9228 transitions. [2020-12-23 09:46:06,779 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 9228 transitions. Word has length 130 [2020-12-23 09:46:06,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:06,779 INFO L481 AbstractCegarLoop]: Abstraction has 5635 states and 9228 transitions. [2020-12-23 09:46:06,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 9228 transitions. [2020-12-23 09:46:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 09:46:06,781 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:06,781 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, 1, 1] [2020-12-23 09:46:06,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:46:06,782 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:06,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:06,782 INFO L82 PathProgramCache]: Analyzing trace with hash -163814164, now seen corresponding path program 1 times [2020-12-23 09:46:06,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:06,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18907444] [2020-12-23 09:46:06,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:07,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18907444] [2020-12-23 09:46:07,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:07,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:46:07,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607930918] [2020-12-23 09:46:07,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:46:07,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:07,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:46:07,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:46:07,009 INFO L87 Difference]: Start difference. First operand 5635 states and 9228 transitions. Second operand 6 states. [2020-12-23 09:46:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:08,130 INFO L93 Difference]: Finished difference Result 34219 states and 56471 transitions. [2020-12-23 09:46:08,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:46:08,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-12-23 09:46:08,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:08,239 INFO L225 Difference]: With dead ends: 34219 [2020-12-23 09:46:08,239 INFO L226 Difference]: Without dead ends: 28817 [2020-12-23 09:46:08,255 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 [2020-12-23 09:46:08,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28817 states. [2020-12-23 09:46:08,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28817 to 10967. [2020-12-23 09:46:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10967 states. [2020-12-23 09:46:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10967 states to 10967 states and 17845 transitions. [2020-12-23 09:46:08,978 INFO L78 Accepts]: Start accepts. Automaton has 10967 states and 17845 transitions. Word has length 130 [2020-12-23 09:46:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:08,979 INFO L481 AbstractCegarLoop]: Abstraction has 10967 states and 17845 transitions. [2020-12-23 09:46:08,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:46:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 10967 states and 17845 transitions. [2020-12-23 09:46:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-23 09:46:08,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:08,981 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, 1, 1, 1] [2020-12-23 09:46:08,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:46:08,981 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:08,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1417088843, now seen corresponding path program 1 times [2020-12-23 09:46:08,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:08,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135073564] [2020-12-23 09:46:08,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:09,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135073564] [2020-12-23 09:46:09,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:09,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:09,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597911972] [2020-12-23 09:46:09,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:09,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:09,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:09,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:09,305 INFO L87 Difference]: Start difference. First operand 10967 states and 17845 transitions. Second operand 4 states. [2020-12-23 09:46:10,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:10,241 INFO L93 Difference]: Finished difference Result 32421 states and 53133 transitions. [2020-12-23 09:46:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:10,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-12-23 09:46:10,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:10,292 INFO L225 Difference]: With dead ends: 32421 [2020-12-23 09:46:10,292 INFO L226 Difference]: Without dead ends: 21687 [2020-12-23 09:46:10,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:10,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21687 states. [2020-12-23 09:46:11,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21687 to 18012. [2020-12-23 09:46:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18012 states. [2020-12-23 09:46:11,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18012 states to 18012 states and 29344 transitions. [2020-12-23 09:46:11,169 INFO L78 Accepts]: Start accepts. Automaton has 18012 states and 29344 transitions. Word has length 131 [2020-12-23 09:46:11,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:11,169 INFO L481 AbstractCegarLoop]: Abstraction has 18012 states and 29344 transitions. [2020-12-23 09:46:11,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 18012 states and 29344 transitions. [2020-12-23 09:46:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 09:46:11,171 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:11,172 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, 1, 1, 1, 1] [2020-12-23 09:46:11,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:46:11,172 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:11,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:11,173 INFO L82 PathProgramCache]: Analyzing trace with hash -945521149, now seen corresponding path program 1 times [2020-12-23 09:46:11,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:11,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666045079] [2020-12-23 09:46:11,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:11,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666045079] [2020-12-23 09:46:11,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:11,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:11,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956440723] [2020-12-23 09:46:11,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:11,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:11,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:11,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:11,280 INFO L87 Difference]: Start difference. First operand 18012 states and 29344 transitions. Second operand 4 states. [2020-12-23 09:46:12,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:12,556 INFO L93 Difference]: Finished difference Result 52879 states and 86403 transitions. [2020-12-23 09:46:12,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:12,557 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-12-23 09:46:12,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:12,669 INFO L225 Difference]: With dead ends: 52879 [2020-12-23 09:46:12,669 INFO L226 Difference]: Without dead ends: 35100 [2020-12-23 09:46:12,716 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 [2020-12-23 09:46:12,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35100 states. [2020-12-23 09:46:14,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35100 to 29449. [2020-12-23 09:46:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29449 states. [2020-12-23 09:46:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29449 states to 29449 states and 47793 transitions. [2020-12-23 09:46:14,161 INFO L78 Accepts]: Start accepts. Automaton has 29449 states and 47793 transitions. Word has length 132 [2020-12-23 09:46:14,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:14,162 INFO L481 AbstractCegarLoop]: Abstraction has 29449 states and 47793 transitions. [2020-12-23 09:46:14,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:14,162 INFO L276 IsEmpty]: Start isEmpty. Operand 29449 states and 47793 transitions. [2020-12-23 09:46:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:46:14,164 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:14,164 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, 1, 1, 1, 1, 1] [2020-12-23 09:46:14,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:46:14,165 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:14,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:14,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1002982526, now seen corresponding path program 1 times [2020-12-23 09:46:14,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:14,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588648043] [2020-12-23 09:46:14,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:14,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588648043] [2020-12-23 09:46:14,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:14,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:14,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846487531] [2020-12-23 09:46:14,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:14,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:14,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:14,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:14,298 INFO L87 Difference]: Start difference. First operand 29449 states and 47793 transitions. Second operand 4 states. [2020-12-23 09:46:15,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:15,986 INFO L93 Difference]: Finished difference Result 85951 states and 139911 transitions. [2020-12-23 09:46:15,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:15,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-12-23 09:46:15,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:16,187 INFO L225 Difference]: With dead ends: 85951 [2020-12-23 09:46:16,187 INFO L226 Difference]: Without dead ends: 56735 [2020-12-23 09:46:16,228 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 [2020-12-23 09:46:16,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56735 states. [2020-12-23 09:46:18,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56735 to 47894. [2020-12-23 09:46:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47894 states. [2020-12-23 09:46:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47894 states to 47894 states and 77430 transitions. [2020-12-23 09:46:18,200 INFO L78 Accepts]: Start accepts. Automaton has 47894 states and 77430 transitions. Word has length 133 [2020-12-23 09:46:18,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:18,200 INFO L481 AbstractCegarLoop]: Abstraction has 47894 states and 77430 transitions. [2020-12-23 09:46:18,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 47894 states and 77430 transitions. [2020-12-23 09:46:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-23 09:46:18,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:18,202 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, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:18,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:46:18,202 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:18,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:18,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1679686426, now seen corresponding path program 1 times [2020-12-23 09:46:18,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:18,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548117271] [2020-12-23 09:46:18,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:18,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548117271] [2020-12-23 09:46:18,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:18,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:18,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159961206] [2020-12-23 09:46:18,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:18,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:18,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:18,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:18,531 INFO L87 Difference]: Start difference. First operand 47894 states and 77430 transitions. Second operand 4 states. [2020-12-23 09:46:20,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:20,864 INFO L93 Difference]: Finished difference Result 137703 states and 223323 transitions. [2020-12-23 09:46:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:20,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2020-12-23 09:46:20,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:21,080 INFO L225 Difference]: With dead ends: 137703 [2020-12-23 09:46:21,081 INFO L226 Difference]: Without dead ends: 90042 [2020-12-23 09:46:21,131 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 [2020-12-23 09:46:21,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90042 states. [2020-12-23 09:46:23,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90042 to 76943. [2020-12-23 09:46:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76943 states. [2020-12-23 09:46:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76943 states to 76943 states and 123931 transitions. [2020-12-23 09:46:23,880 INFO L78 Accepts]: Start accepts. Automaton has 76943 states and 123931 transitions. Word has length 134 [2020-12-23 09:46:23,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:23,881 INFO L481 AbstractCegarLoop]: Abstraction has 76943 states and 123931 transitions. [2020-12-23 09:46:23,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 76943 states and 123931 transitions. [2020-12-23 09:46:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-23 09:46:23,882 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:23,883 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:23,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:46:23,883 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:23,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:23,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1349768178, now seen corresponding path program 1 times [2020-12-23 09:46:23,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:23,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919257665] [2020-12-23 09:46:23,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:24,169 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-23 09:46:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:24,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919257665] [2020-12-23 09:46:24,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:24,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:46:24,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168748455] [2020-12-23 09:46:24,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:46:24,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:24,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:46:24,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:46:24,284 INFO L87 Difference]: Start difference. First operand 76943 states and 123931 transitions. Second operand 6 states. [2020-12-23 09:46:27,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:27,042 INFO L93 Difference]: Finished difference Result 185517 states and 299643 transitions. [2020-12-23 09:46:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:46:27,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2020-12-23 09:46:27,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:27,247 INFO L225 Difference]: With dead ends: 185517 [2020-12-23 09:46:27,247 INFO L226 Difference]: Without dead ends: 108807 [2020-12-23 09:46:27,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:46:27,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108807 states. [2020-12-23 09:46:29,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108807 to 76943. [2020-12-23 09:46:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76943 states. [2020-12-23 09:46:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76943 states to 76943 states and 123306 transitions. [2020-12-23 09:46:30,227 INFO L78 Accepts]: Start accepts. Automaton has 76943 states and 123306 transitions. Word has length 136 [2020-12-23 09:46:30,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:30,228 INFO L481 AbstractCegarLoop]: Abstraction has 76943 states and 123306 transitions. [2020-12-23 09:46:30,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:46:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 76943 states and 123306 transitions. [2020-12-23 09:46:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-23 09:46:30,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:30,230 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:30,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:46:30,231 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:30,231 INFO L82 PathProgramCache]: Analyzing trace with hash 412618117, now seen corresponding path program 1 times [2020-12-23 09:46:30,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:30,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748689346] [2020-12-23 09:46:30,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:30,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748689346] [2020-12-23 09:46:30,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:30,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:30,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255652521] [2020-12-23 09:46:30,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:30,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:30,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:30,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:30,529 INFO L87 Difference]: Start difference. First operand 76943 states and 123306 transitions. Second operand 4 states. [2020-12-23 09:46:34,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:34,541 INFO L93 Difference]: Finished difference Result 228942 states and 366846 transitions. [2020-12-23 09:46:34,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:34,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-12-23 09:46:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:34,950 INFO L225 Difference]: With dead ends: 228942 [2020-12-23 09:46:34,950 INFO L226 Difference]: Without dead ends: 152010 [2020-12-23 09:46:35,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:35,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152010 states. [2020-12-23 09:46:39,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152010 to 152008. [2020-12-23 09:46:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152008 states. [2020-12-23 09:46:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152008 states to 152008 states and 242382 transitions. [2020-12-23 09:46:39,947 INFO L78 Accepts]: Start accepts. Automaton has 152008 states and 242382 transitions. Word has length 139 [2020-12-23 09:46:39,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:39,947 INFO L481 AbstractCegarLoop]: Abstraction has 152008 states and 242382 transitions. [2020-12-23 09:46:39,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 152008 states and 242382 transitions. [2020-12-23 09:46:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-23 09:46:39,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:39,949 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:39,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:46:39,950 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:39,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:39,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1038580458, now seen corresponding path program 1 times [2020-12-23 09:46:39,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:39,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272904473] [2020-12-23 09:46:39,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:40,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272904473] [2020-12-23 09:46:40,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:40,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:40,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128384418] [2020-12-23 09:46:40,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:40,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:40,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:40,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:40,177 INFO L87 Difference]: Start difference. First operand 152008 states and 242382 transitions. Second operand 4 states. [2020-12-23 09:46:48,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:48,058 INFO L93 Difference]: Finished difference Result 452262 states and 721025 transitions. [2020-12-23 09:46:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:48,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-12-23 09:46:48,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:48,826 INFO L225 Difference]: With dead ends: 452262 [2020-12-23 09:46:48,827 INFO L226 Difference]: Without dead ends: 300266 [2020-12-23 09:46:48,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300266 states. [2020-12-23 09:46:58,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300266 to 300264. [2020-12-23 09:46:58,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300264 states. [2020-12-23 09:46:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300264 states to 300264 states and 476310 transitions. [2020-12-23 09:46:59,137 INFO L78 Accepts]: Start accepts. Automaton has 300264 states and 476310 transitions. Word has length 141 [2020-12-23 09:46:59,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:59,137 INFO L481 AbstractCegarLoop]: Abstraction has 300264 states and 476310 transitions. [2020-12-23 09:46:59,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 300264 states and 476310 transitions. [2020-12-23 09:46:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-23 09:46:59,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:59,142 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:59,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:46:59,143 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:59,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:59,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1947387771, now seen corresponding path program 1 times [2020-12-23 09:46:59,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:59,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708703672] [2020-12-23 09:46:59,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:59,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708703672] [2020-12-23 09:46:59,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:59,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:59,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957303294] [2020-12-23 09:46:59,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:59,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:59,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:59,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:59,370 INFO L87 Difference]: Start difference. First operand 300264 states and 476310 transitions. Second operand 4 states. [2020-12-23 09:47:16,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:47:16,560 INFO L93 Difference]: Finished difference Result 893269 states and 1416691 transitions. [2020-12-23 09:47:16,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:47:16,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-12-23 09:47:16,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:47:18,069 INFO L225 Difference]: With dead ends: 893269 [2020-12-23 09:47:18,069 INFO L226 Difference]: Without dead ends: 593032 [2020-12-23 09:47:18,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:47:18,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593032 states. [2020-12-23 09:47:42,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593032 to 593030. [2020-12-23 09:47:42,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593030 states. [2020-12-23 09:47:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593030 states to 593030 states and 935723 transitions. [2020-12-23 09:47:44,329 INFO L78 Accepts]: Start accepts. Automaton has 593030 states and 935723 transitions. Word has length 143 [2020-12-23 09:47:44,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:47:44,349 INFO L481 AbstractCegarLoop]: Abstraction has 593030 states and 935723 transitions. [2020-12-23 09:47:44,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:47:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 593030 states and 935723 transitions. [2020-12-23 09:47:44,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 09:47:44,363 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:47:44,365 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:47:44,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:47:44,365 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:47:44,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:47:44,366 INFO L82 PathProgramCache]: Analyzing trace with hash 380264234, now seen corresponding path program 1 times [2020-12-23 09:47:44,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:47:44,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955884450] [2020-12-23 09:47:44,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:47:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:47:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:47:44,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955884450] [2020-12-23 09:47:44,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:47:44,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:47:44,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139986414] [2020-12-23 09:47:44,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:47:44,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:47:44,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:47:44,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:47:44,596 INFO L87 Difference]: Start difference. First operand 593030 states and 935723 transitions. Second operand 4 states. [2020-12-23 09:48:26,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:48:26,800 INFO L93 Difference]: Finished difference Result 1763882 states and 2782417 transitions. [2020-12-23 09:48:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:48:26,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2020-12-23 09:48:26,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:48:31,555 INFO L225 Difference]: With dead ends: 1763882 [2020-12-23 09:48:31,556 INFO L226 Difference]: Without dead ends: 1170988 [2020-12-23 09:48:32,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:48:33,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170988 states.