/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-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:30:51,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:30:51,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:30:51,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:30:51,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:30:51,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:30:51,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:30:51,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:30:51,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:30:51,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:30:51,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:30:51,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:30:51,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:30:51,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:30:51,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:30:51,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:30:51,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:30:51,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:30:51,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:30:51,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:30:51,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:30:51,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:30:51,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:30:51,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:30:51,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:30:51,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:30:51,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:30:51,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:30:51,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:30:51,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:30:51,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:30:51,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:30:51,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:30:51,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:30:51,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:30:51,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:30:51,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:30:51,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:30:51,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:30:51,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:30:51,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:30:51,719 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 10:30:51,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:30:51,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:30:51,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:30:51,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:30:51,749 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:30:51,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:30:51,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:30:51,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:30:51,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:30:51,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:30:51,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:30:51,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:30:51,751 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:30:51,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:30:51,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:30:51,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:30:51,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:30:51,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:30:51,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:30:51,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:30:51,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:30:51,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:30:51,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:30:51,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:30:51,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:30:51,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:30:52,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:30:52,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:30:52,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:30:52,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:30:52,163 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:30:52,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:30:52,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a9c2fa54f/e30ebdab293f43d493a1903cdf827234/FLAG339e06311 [2020-12-23 10:30:52,954 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:30:52,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:30:52,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a9c2fa54f/e30ebdab293f43d493a1903cdf827234/FLAG339e06311 [2020-12-23 10:30:53,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a9c2fa54f/e30ebdab293f43d493a1903cdf827234 [2020-12-23 10:30:53,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:30:53,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:30:53,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:30:53,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:30:53,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:30:53,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:30:53" (1/1) ... [2020-12-23 10:30:53,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a970e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:53, skipping insertion in model container [2020-12-23 10:30:53,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:30:53" (1/1) ... [2020-12-23 10:30:53,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:30:53,347 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__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[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r141~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r241~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r341~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r411~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r421~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r431~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r142~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r242~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r342~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r412~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r422~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r432~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r123~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r133~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r143~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r213~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r233~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r243~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r313~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r323~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r343~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r413~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r423~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r433~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_3174~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__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[~main__i2~0,] 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[~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[~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[~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[~mode4~0,GLOBAL] 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[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_3388~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] [2020-12-23 10:30:53,750 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-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12430,12443] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] 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[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] 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[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] 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[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] 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[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_3511~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2020-12-23 10:30:53,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:30:53,919 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__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[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r141~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r241~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r341~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r411~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r421~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r431~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r142~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r242~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r342~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r412~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r422~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r432~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r123~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r133~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r143~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r213~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r233~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r243~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r313~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r323~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r343~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r413~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r423~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r433~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_3174~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__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[~main__i2~0,] 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[~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[~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[~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[~mode4~0,GLOBAL] 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[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_3388~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] [2020-12-23 10:30:54,113 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-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12430,12443] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] 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[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] 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[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] 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[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] 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[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_3511~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2020-12-23 10:30:54,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:30:54,249 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:30:54,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54 WrapperNode [2020-12-23 10:30:54,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:30:54,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:30:54,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:30:54,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:30:54,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:30:54,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:30:54,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:30:54,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:30:54,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (1/1) ... [2020-12-23 10:30:54,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:30:54,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:30:54,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:30:54,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:30:54,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (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 10:30:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:30:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:30:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:30:54,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:30:56,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:30:56,020 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:30:56,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:30:56 BoogieIcfgContainer [2020-12-23 10:30:56,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:30:56,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:30:56,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:30:56,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:30:56,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:30:53" (1/3) ... [2020-12-23 10:30:56,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50604a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:30:56, skipping insertion in model container [2020-12-23 10:30:56,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:30:54" (2/3) ... [2020-12-23 10:30:56,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50604a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:30:56, skipping insertion in model container [2020-12-23 10:30:56,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:30:56" (3/3) ... [2020-12-23 10:30:56,049 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:30:56,062 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:30:56,076 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 10:30:56,112 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 10:30:56,147 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:30:56,147 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:30:56,148 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:30:56,148 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:30:56,148 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:30:56,148 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:30:56,148 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:30:56,149 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:30:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-12-23 10:30:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 10:30:56,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:56,197 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] [2020-12-23 10:30:56,198 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:56,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:56,205 INFO L82 PathProgramCache]: Analyzing trace with hash 304488522, now seen corresponding path program 1 times [2020-12-23 10:30:56,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:56,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248094837] [2020-12-23 10:30:56,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:56,880 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 10:30:56,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248094837] [2020-12-23 10:30:56,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:56,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:30:56,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024835458] [2020-12-23 10:30:56,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:30:56,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:56,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:30:56,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:30:56,917 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 3 states. [2020-12-23 10:30:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:57,123 INFO L93 Difference]: Finished difference Result 568 states and 991 transitions. [2020-12-23 10:30:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:30:57,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 10:30:57,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:57,156 INFO L225 Difference]: With dead ends: 568 [2020-12-23 10:30:57,157 INFO L226 Difference]: Without dead ends: 432 [2020-12-23 10:30:57,161 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 10:30:57,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-12-23 10:30:57,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2020-12-23 10:30:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 10:30:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 714 transitions. [2020-12-23 10:30:57,259 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 714 transitions. Word has length 111 [2020-12-23 10:30:57,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:57,260 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 714 transitions. [2020-12-23 10:30:57,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:30:57,260 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 714 transitions. [2020-12-23 10:30:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 10:30:57,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:57,276 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] [2020-12-23 10:30:57,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:30:57,276 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:57,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:57,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1517208970, now seen corresponding path program 1 times [2020-12-23 10:30:57,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:57,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861754303] [2020-12-23 10:30:57,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:57,511 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 10:30:57,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861754303] [2020-12-23 10:30:57,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:57,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:30:57,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511410106] [2020-12-23 10:30:57,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:30:57,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:57,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:30:57,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:30:57,520 INFO L87 Difference]: Start difference. First operand 430 states and 714 transitions. Second operand 3 states. [2020-12-23 10:30:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:57,587 INFO L93 Difference]: Finished difference Result 660 states and 1105 transitions. [2020-12-23 10:30:57,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:30:57,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 10:30:57,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:57,594 INFO L225 Difference]: With dead ends: 660 [2020-12-23 10:30:57,595 INFO L226 Difference]: Without dead ends: 533 [2020-12-23 10:30:57,600 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 10:30:57,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-12-23 10:30:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2020-12-23 10:30:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-12-23 10:30:57,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 886 transitions. [2020-12-23 10:30:57,648 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 886 transitions. Word has length 114 [2020-12-23 10:30:57,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:57,648 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 886 transitions. [2020-12-23 10:30:57,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:30:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 886 transitions. [2020-12-23 10:30:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 10:30:57,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:57,651 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] [2020-12-23 10:30:57,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:30:57,652 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:57,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:57,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1179194652, now seen corresponding path program 1 times [2020-12-23 10:30:57,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:57,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514759727] [2020-12-23 10:30:57,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:57,863 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 10:30:57,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514759727] [2020-12-23 10:30:57,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:57,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:30:57,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488536374] [2020-12-23 10:30:57,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:30:57,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:57,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:30:57,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:30:57,867 INFO L87 Difference]: Start difference. First operand 531 states and 886 transitions. Second operand 3 states. [2020-12-23 10:30:57,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:57,921 INFO L93 Difference]: Finished difference Result 1184 states and 1985 transitions. [2020-12-23 10:30:57,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:30:57,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 10:30:57,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:57,929 INFO L225 Difference]: With dead ends: 1184 [2020-12-23 10:30:57,930 INFO L226 Difference]: Without dead ends: 844 [2020-12-23 10:30:57,931 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 10:30:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-12-23 10:30:57,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 842. [2020-12-23 10:30:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-12-23 10:30:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1406 transitions. [2020-12-23 10:30:57,970 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1406 transitions. Word has length 114 [2020-12-23 10:30:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:57,971 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1406 transitions. [2020-12-23 10:30:57,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:30:57,971 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1406 transitions. [2020-12-23 10:30:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 10:30:57,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:57,974 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] [2020-12-23 10:30:57,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:30:57,975 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:57,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash -236553538, now seen corresponding path program 1 times [2020-12-23 10:30:57,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:57,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468334720] [2020-12-23 10:30:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:58,077 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 10:30:58,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468334720] [2020-12-23 10:30:58,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:58,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:30:58,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360446259] [2020-12-23 10:30:58,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:30:58,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:58,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:30:58,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:30:58,080 INFO L87 Difference]: Start difference. First operand 842 states and 1406 transitions. Second operand 3 states. [2020-12-23 10:30:58,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:58,142 INFO L93 Difference]: Finished difference Result 1462 states and 2452 transitions. [2020-12-23 10:30:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:30:58,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 10:30:58,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:58,150 INFO L225 Difference]: With dead ends: 1462 [2020-12-23 10:30:58,150 INFO L226 Difference]: Without dead ends: 1122 [2020-12-23 10:30:58,152 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 10:30:58,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-12-23 10:30:58,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1120. [2020-12-23 10:30:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-12-23 10:30:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1872 transitions. [2020-12-23 10:30:58,246 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1872 transitions. Word has length 117 [2020-12-23 10:30:58,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:58,247 INFO L481 AbstractCegarLoop]: Abstraction has 1120 states and 1872 transitions. [2020-12-23 10:30:58,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:30:58,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1872 transitions. [2020-12-23 10:30:58,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 10:30:58,249 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:58,250 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] [2020-12-23 10:30:58,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:30:58,251 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:58,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:58,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2147173936, now seen corresponding path program 1 times [2020-12-23 10:30:58,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:58,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873239645] [2020-12-23 10:30:58,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:58,390 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 10:30:58,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873239645] [2020-12-23 10:30:58,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:58,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:30:58,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806727909] [2020-12-23 10:30:58,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:30:58,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:58,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:30:58,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:30:58,394 INFO L87 Difference]: Start difference. First operand 1120 states and 1872 transitions. Second operand 3 states. [2020-12-23 10:30:58,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:58,524 INFO L93 Difference]: Finished difference Result 2861 states and 4787 transitions. [2020-12-23 10:30:58,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:30:58,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 10:30:58,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:58,539 INFO L225 Difference]: With dead ends: 2861 [2020-12-23 10:30:58,539 INFO L226 Difference]: Without dead ends: 1950 [2020-12-23 10:30:58,542 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 10:30:58,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-12-23 10:30:58,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1948. [2020-12-23 10:30:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2020-12-23 10:30:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 3243 transitions. [2020-12-23 10:30:58,673 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 3243 transitions. Word has length 117 [2020-12-23 10:30:58,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:58,673 INFO L481 AbstractCegarLoop]: Abstraction has 1948 states and 3243 transitions. [2020-12-23 10:30:58,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:30:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 3243 transitions. [2020-12-23 10:30:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 10:30:58,675 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:58,675 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] [2020-12-23 10:30:58,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:30:58,676 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:58,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:58,677 INFO L82 PathProgramCache]: Analyzing trace with hash 866565200, now seen corresponding path program 1 times [2020-12-23 10:30:58,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:58,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947694445] [2020-12-23 10:30:58,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:58,847 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 10:30:58,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947694445] [2020-12-23 10:30:58,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:58,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:30:58,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756595551] [2020-12-23 10:30:58,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:30:58,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:58,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:30:58,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:30:58,852 INFO L87 Difference]: Start difference. First operand 1948 states and 3243 transitions. Second operand 3 states. [2020-12-23 10:30:59,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:59,002 INFO L93 Difference]: Finished difference Result 3554 states and 5943 transitions. [2020-12-23 10:30:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:30:59,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 10:30:59,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:59,020 INFO L225 Difference]: With dead ends: 3554 [2020-12-23 10:30:59,020 INFO L226 Difference]: Without dead ends: 2643 [2020-12-23 10:30:59,023 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 10:30:59,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2020-12-23 10:30:59,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2641. [2020-12-23 10:30:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2641 states. [2020-12-23 10:30:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 4398 transitions. [2020-12-23 10:30:59,184 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 4398 transitions. Word has length 120 [2020-12-23 10:30:59,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:59,185 INFO L481 AbstractCegarLoop]: Abstraction has 2641 states and 4398 transitions. [2020-12-23 10:30:59,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:30:59,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 4398 transitions. [2020-12-23 10:30:59,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 10:30:59,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:59,188 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] [2020-12-23 10:30:59,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:30:59,188 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:59,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:59,189 INFO L82 PathProgramCache]: Analyzing trace with hash 83170558, now seen corresponding path program 1 times [2020-12-23 10:30:59,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:59,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258305532] [2020-12-23 10:30:59,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:59,341 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 10:30:59,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258305532] [2020-12-23 10:30:59,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:59,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:30:59,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624638089] [2020-12-23 10:30:59,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:30:59,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:59,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:30:59,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:30:59,345 INFO L87 Difference]: Start difference. First operand 2641 states and 4398 transitions. Second operand 3 states. [2020-12-23 10:30:59,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:59,670 INFO L93 Difference]: Finished difference Result 7226 states and 12005 transitions. [2020-12-23 10:30:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:30:59,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 10:30:59,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:59,698 INFO L225 Difference]: With dead ends: 7226 [2020-12-23 10:30:59,698 INFO L226 Difference]: Without dead ends: 4812 [2020-12-23 10:30:59,707 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 10:30:59,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4812 states. [2020-12-23 10:30:59,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4812 to 4810. [2020-12-23 10:30:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-12-23 10:31:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 7944 transitions. [2020-12-23 10:31:00,016 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 7944 transitions. Word has length 120 [2020-12-23 10:31:00,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:00,017 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 7944 transitions. [2020-12-23 10:31:00,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 7944 transitions. [2020-12-23 10:31:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 10:31:00,019 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:00,020 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] [2020-12-23 10:31:00,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:31:00,020 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:00,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:00,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1139352598, now seen corresponding path program 1 times [2020-12-23 10:31:00,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:00,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831882650] [2020-12-23 10:31:00,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:00,183 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 10:31:00,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831882650] [2020-12-23 10:31:00,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:00,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:31:00,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735497541] [2020-12-23 10:31:00,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:31:00,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:00,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:31:00,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:31:00,187 INFO L87 Difference]: Start difference. First operand 4810 states and 7944 transitions. Second operand 6 states. [2020-12-23 10:31:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:02,204 INFO L93 Difference]: Finished difference Result 29771 states and 49577 transitions. [2020-12-23 10:31:02,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 10:31:02,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2020-12-23 10:31:02,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:02,324 INFO L225 Difference]: With dead ends: 29771 [2020-12-23 10:31:02,324 INFO L226 Difference]: Without dead ends: 25188 [2020-12-23 10:31:02,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 10:31:02,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25188 states. [2020-12-23 10:31:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25188 to 9236. [2020-12-23 10:31:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9236 states. [2020-12-23 10:31:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9236 states to 9236 states and 15212 transitions. [2020-12-23 10:31:03,326 INFO L78 Accepts]: Start accepts. Automaton has 9236 states and 15212 transitions. Word has length 123 [2020-12-23 10:31:03,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:03,327 INFO L481 AbstractCegarLoop]: Abstraction has 9236 states and 15212 transitions. [2020-12-23 10:31:03,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:31:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 9236 states and 15212 transitions. [2020-12-23 10:31:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 10:31:03,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:03,329 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 10:31:03,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:31:03,330 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:03,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:03,330 INFO L82 PathProgramCache]: Analyzing trace with hash 893130139, now seen corresponding path program 1 times [2020-12-23 10:31:03,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:03,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341814471] [2020-12-23 10:31:03,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:03,478 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 10:31:03,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341814471] [2020-12-23 10:31:03,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:03,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:31:03,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654928210] [2020-12-23 10:31:03,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:31:03,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:03,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:31:03,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:31:03,487 INFO L87 Difference]: Start difference. First operand 9236 states and 15212 transitions. Second operand 4 states. [2020-12-23 10:31:04,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:04,845 INFO L93 Difference]: Finished difference Result 30029 states and 49739 transitions. [2020-12-23 10:31:04,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:31:04,846 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-12-23 10:31:04,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:04,896 INFO L225 Difference]: With dead ends: 30029 [2020-12-23 10:31:04,896 INFO L226 Difference]: Without dead ends: 21020 [2020-12-23 10:31:04,912 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 10:31:04,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21020 states. [2020-12-23 10:31:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21020 to 15091. [2020-12-23 10:31:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15091 states. [2020-12-23 10:31:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15091 states to 15091 states and 24876 transitions. [2020-12-23 10:31:06,214 INFO L78 Accepts]: Start accepts. Automaton has 15091 states and 24876 transitions. Word has length 124 [2020-12-23 10:31:06,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:06,215 INFO L481 AbstractCegarLoop]: Abstraction has 15091 states and 24876 transitions. [2020-12-23 10:31:06,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:31:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 15091 states and 24876 transitions. [2020-12-23 10:31:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 10:31:06,217 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:06,217 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 10:31:06,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:31:06,218 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:06,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:06,219 INFO L82 PathProgramCache]: Analyzing trace with hash -485089184, now seen corresponding path program 1 times [2020-12-23 10:31:06,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:06,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567613350] [2020-12-23 10:31:06,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:06,318 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 10:31:06,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567613350] [2020-12-23 10:31:06,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:06,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:06,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108108666] [2020-12-23 10:31:06,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:06,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:06,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:06,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:06,321 INFO L87 Difference]: Start difference. First operand 15091 states and 24876 transitions. Second operand 3 states. [2020-12-23 10:31:07,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:07,718 INFO L93 Difference]: Finished difference Result 28697 states and 47478 transitions. [2020-12-23 10:31:07,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:07,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 10:31:07,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:07,774 INFO L225 Difference]: With dead ends: 28697 [2020-12-23 10:31:07,775 INFO L226 Difference]: Without dead ends: 20733 [2020-12-23 10:31:07,789 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 10:31:07,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20733 states. [2020-12-23 10:31:09,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20733 to 20731. [2020-12-23 10:31:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20731 states. [2020-12-23 10:31:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20731 states to 20731 states and 34119 transitions. [2020-12-23 10:31:09,134 INFO L78 Accepts]: Start accepts. Automaton has 20731 states and 34119 transitions. Word has length 124 [2020-12-23 10:31:09,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:09,135 INFO L481 AbstractCegarLoop]: Abstraction has 20731 states and 34119 transitions. [2020-12-23 10:31:09,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 20731 states and 34119 transitions. [2020-12-23 10:31:09,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-23 10:31:09,137 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:09,137 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] [2020-12-23 10:31:09,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 10:31:09,137 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:09,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:09,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1854726525, now seen corresponding path program 1 times [2020-12-23 10:31:09,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:09,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320932805] [2020-12-23 10:31:09,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:09,259 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 10:31:09,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320932805] [2020-12-23 10:31:09,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:09,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:31:09,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788772975] [2020-12-23 10:31:09,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:31:09,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:09,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:31:09,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:31:09,263 INFO L87 Difference]: Start difference. First operand 20731 states and 34119 transitions. Second operand 4 states. [2020-12-23 10:31:11,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:11,803 INFO L93 Difference]: Finished difference Result 67909 states and 112035 transitions. [2020-12-23 10:31:11,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:31:11,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-12-23 10:31:11,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:11,943 INFO L225 Difference]: With dead ends: 67909 [2020-12-23 10:31:11,944 INFO L226 Difference]: Without dead ends: 47423 [2020-12-23 10:31:11,979 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 10:31:12,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47423 states. [2020-12-23 10:31:14,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47423 to 33748. [2020-12-23 10:31:14,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33748 states. [2020-12-23 10:31:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33748 states to 33748 states and 55389 transitions. [2020-12-23 10:31:14,225 INFO L78 Accepts]: Start accepts. Automaton has 33748 states and 55389 transitions. Word has length 125 [2020-12-23 10:31:14,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:14,228 INFO L481 AbstractCegarLoop]: Abstraction has 33748 states and 55389 transitions. [2020-12-23 10:31:14,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:31:14,228 INFO L276 IsEmpty]: Start isEmpty. Operand 33748 states and 55389 transitions. [2020-12-23 10:31:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 10:31:14,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:14,231 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] [2020-12-23 10:31:14,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 10:31:14,231 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:14,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:14,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1604001442, now seen corresponding path program 1 times [2020-12-23 10:31:14,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:14,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077719587] [2020-12-23 10:31:14,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:14,357 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 10:31:14,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077719587] [2020-12-23 10:31:14,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:14,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:31:14,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112035269] [2020-12-23 10:31:14,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:31:14,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:14,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:31:14,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:31:14,359 INFO L87 Difference]: Start difference. First operand 33748 states and 55389 transitions. Second operand 4 states. [2020-12-23 10:31:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:18,328 INFO L93 Difference]: Finished difference Result 109323 states and 179874 transitions. [2020-12-23 10:31:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:31:18,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-12-23 10:31:18,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:18,492 INFO L225 Difference]: With dead ends: 109323 [2020-12-23 10:31:18,492 INFO L226 Difference]: Without dead ends: 75820 [2020-12-23 10:31:18,540 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 10:31:18,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75820 states. [2020-12-23 10:31:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75820 to 54641. [2020-12-23 10:31:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54641 states. [2020-12-23 10:31:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54641 states to 54641 states and 89427 transitions. [2020-12-23 10:31:22,287 INFO L78 Accepts]: Start accepts. Automaton has 54641 states and 89427 transitions. Word has length 126 [2020-12-23 10:31:22,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:22,287 INFO L481 AbstractCegarLoop]: Abstraction has 54641 states and 89427 transitions. [2020-12-23 10:31:22,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:31:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 54641 states and 89427 transitions. [2020-12-23 10:31:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 10:31:22,288 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:22,288 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 10:31:22,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 10:31:22,289 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:22,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:22,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1868950812, now seen corresponding path program 1 times [2020-12-23 10:31:22,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:22,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516849159] [2020-12-23 10:31:22,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:22,385 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 10:31:22,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516849159] [2020-12-23 10:31:22,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:22,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:31:22,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814022235] [2020-12-23 10:31:22,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:31:22,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:22,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:31:22,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:31:22,387 INFO L87 Difference]: Start difference. First operand 54641 states and 89427 transitions. Second operand 4 states. [2020-12-23 10:31:29,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:29,127 INFO L93 Difference]: Finished difference Result 175049 states and 287186 transitions. [2020-12-23 10:31:29,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:31:29,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2020-12-23 10:31:29,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:29,404 INFO L225 Difference]: With dead ends: 175049 [2020-12-23 10:31:29,405 INFO L226 Difference]: Without dead ends: 120653 [2020-12-23 10:31:29,475 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 10:31:29,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120653 states. [2020-12-23 10:31:35,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120653 to 87422. [2020-12-23 10:31:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87422 states. [2020-12-23 10:31:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87422 states to 87422 states and 142673 transitions. [2020-12-23 10:31:35,666 INFO L78 Accepts]: Start accepts. Automaton has 87422 states and 142673 transitions. Word has length 127 [2020-12-23 10:31:35,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:35,666 INFO L481 AbstractCegarLoop]: Abstraction has 87422 states and 142673 transitions. [2020-12-23 10:31:35,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:31:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 87422 states and 142673 transitions. [2020-12-23 10:31:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-23 10:31:35,667 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:35,668 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] [2020-12-23 10:31:35,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 10:31:35,668 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:35,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:35,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2012261173, now seen corresponding path program 1 times [2020-12-23 10:31:35,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:35,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437657733] [2020-12-23 10:31:35,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:35,848 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 10:31:35,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437657733] [2020-12-23 10:31:35,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:35,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:31:35,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821707879] [2020-12-23 10:31:35,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:31:35,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:35,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:31:35,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:31:35,851 INFO L87 Difference]: Start difference. First operand 87422 states and 142673 transitions. Second operand 6 states. [2020-12-23 10:31:41,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:41,499 INFO L93 Difference]: Finished difference Result 174601 states and 284955 transitions. [2020-12-23 10:31:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:31:41,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2020-12-23 10:31:41,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:41,666 INFO L225 Difference]: With dead ends: 174601 [2020-12-23 10:31:41,666 INFO L226 Difference]: Without dead ends: 87424 [2020-12-23 10:31:41,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:31:42,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87424 states. [2020-12-23 10:31:47,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87424 to 87422. [2020-12-23 10:31:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87422 states. [2020-12-23 10:31:47,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87422 states to 87422 states and 142048 transitions. [2020-12-23 10:31:47,336 INFO L78 Accepts]: Start accepts. Automaton has 87422 states and 142048 transitions. Word has length 129 [2020-12-23 10:31:47,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:47,336 INFO L481 AbstractCegarLoop]: Abstraction has 87422 states and 142048 transitions. [2020-12-23 10:31:47,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:31:47,336 INFO L276 IsEmpty]: Start isEmpty. Operand 87422 states and 142048 transitions. [2020-12-23 10:31:47,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 10:31:47,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:47,338 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 10:31:47,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 10:31:47,339 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:47,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:47,339 INFO L82 PathProgramCache]: Analyzing trace with hash 365685076, now seen corresponding path program 1 times [2020-12-23 10:31:47,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:47,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282111031] [2020-12-23 10:31:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:47,583 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 10:31:47,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282111031] [2020-12-23 10:31:47,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:47,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:31:47,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790094692] [2020-12-23 10:31:47,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:31:47,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:47,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:31:47,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:31:47,585 INFO L87 Difference]: Start difference. First operand 87422 states and 142048 transitions. Second operand 6 states. [2020-12-23 10:32:03,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:03,233 INFO L93 Difference]: Finished difference Result 328443 states and 534734 transitions. [2020-12-23 10:32:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:32:03,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-12-23 10:32:03,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:03,864 INFO L225 Difference]: With dead ends: 328443 [2020-12-23 10:32:03,864 INFO L226 Difference]: Without dead ends: 241266 [2020-12-23 10:32:03,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:32:04,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241266 states. [2020-12-23 10:32:16,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241266 to 168414. [2020-12-23 10:32:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168414 states. [2020-12-23 10:32:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168414 states to 168414 states and 272047 transitions. [2020-12-23 10:32:17,360 INFO L78 Accepts]: Start accepts. Automaton has 168414 states and 272047 transitions. Word has length 132 [2020-12-23 10:32:17,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:17,361 INFO L481 AbstractCegarLoop]: Abstraction has 168414 states and 272047 transitions. [2020-12-23 10:32:17,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:32:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 168414 states and 272047 transitions. [2020-12-23 10:32:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 10:32:17,363 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:17,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:32:17,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 10:32:17,363 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:17,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:17,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1550573646, now seen corresponding path program 1 times [2020-12-23 10:32:17,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:17,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345196694] [2020-12-23 10:32:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:17,622 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 10:32:17,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345196694] [2020-12-23 10:32:17,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:17,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:32:17,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12435198] [2020-12-23 10:32:17,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:32:17,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:17,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:32:17,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:32:17,627 INFO L87 Difference]: Start difference. First operand 168414 states and 272047 transitions. Second operand 5 states. [2020-12-23 10:32:41,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:41,530 INFO L93 Difference]: Finished difference Result 327635 states and 527088 transitions. [2020-12-23 10:32:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:32:41,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-12-23 10:32:41,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:42,329 INFO L225 Difference]: With dead ends: 327635 [2020-12-23 10:32:42,329 INFO L226 Difference]: Without dead ends: 327633 [2020-12-23 10:32:42,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:32:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327633 states. [2020-12-23 10:32:57,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327633 to 172482. [2020-12-23 10:32:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172482 states. [2020-12-23 10:32:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172482 states to 172482 states and 276088 transitions. [2020-12-23 10:32:58,043 INFO L78 Accepts]: Start accepts. Automaton has 172482 states and 276088 transitions. Word has length 133 [2020-12-23 10:32:58,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:58,043 INFO L481 AbstractCegarLoop]: Abstraction has 172482 states and 276088 transitions. [2020-12-23 10:32:58,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:32:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand 172482 states and 276088 transitions. [2020-12-23 10:32:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 10:32:58,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:58,053 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:58,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 10:32:58,053 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:58,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:58,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2098432369, now seen corresponding path program 1 times [2020-12-23 10:32:58,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:58,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279484031] [2020-12-23 10:32:58,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 10:32:58,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279484031] [2020-12-23 10:32:58,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:58,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:32:58,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450090178] [2020-12-23 10:32:58,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:32:58,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:58,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:32:58,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:32:58,571 INFO L87 Difference]: Start difference. First operand 172482 states and 276088 transitions. Second operand 6 states. [2020-12-23 10:33:22,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:33:22,797 INFO L93 Difference]: Finished difference Result 359636 states and 578793 transitions. [2020-12-23 10:33:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:33:22,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-12-23 10:33:22,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:33:23,539 INFO L225 Difference]: With dead ends: 359636 [2020-12-23 10:33:23,540 INFO L226 Difference]: Without dead ends: 283834 [2020-12-23 10:33:23,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-23 10:33:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283834 states.