/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.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:31:50,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:31:50,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:31:50,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:31:50,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:31:50,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:31:50,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:31:50,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:31:50,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:31:50,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:31:50,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:31:50,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:31:50,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:31:50,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:31:50,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:31:50,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:31:50,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:31:50,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:31:50,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:31:50,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:31:50,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:31:50,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:31:50,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:31:50,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:31:50,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:31:50,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:31:50,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:31:50,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:31:50,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:31:50,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:31:50,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:31:50,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:31:50,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:31:50,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:31:50,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:31:50,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:31:50,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:31:50,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:31:50,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:31:50,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:31:50,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:31:50,624 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 10:31:50,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:31:50,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:31:50,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:31:50,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:31:50,675 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:31:50,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:31:50,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:31:50,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:31:50,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:31:50,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:31:50,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:31:50,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:31:50,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:31:50,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:31:50,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:31:50,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:31:50,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:31:50,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:31:50,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:31:50,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:31:50,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:31:50,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:31:50,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:31:50,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:31:50,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:31:50,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:31:51,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:31:51,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:31:51,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:31:51,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:31:51,075 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:31:51,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:31:51,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3e42c8a43/c5316752230d414e8ce9b22beaecc90f/FLAGe93461842 [2020-12-23 10:31:51,919 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:31:51,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:31:51,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3e42c8a43/c5316752230d414e8ce9b22beaecc90f/FLAGe93461842 [2020-12-23 10:31:52,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3e42c8a43/c5316752230d414e8ce9b22beaecc90f [2020-12-23 10:31:52,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:31:52,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:31:52,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:31:52,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:31:52,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:31:52,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:52,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2034cc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52, skipping insertion in model container [2020-12-23 10:31:52,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:52,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:31:52,248 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_4655~0,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[~nl1~0,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_4869~0,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 10:31:52,546 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.4.3.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[~st1~0,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_5018~0,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 10:31:52,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:31:52,694 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_4655~0,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[~nl1~0,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_4869~0,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 10:31:52,807 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.4.3.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[~st1~0,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_5018~0,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 10:31:52,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:31:52,952 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:31:52,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52 WrapperNode [2020-12-23 10:31:52,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:31:52,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:31:52,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:31:52,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:31:52,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:31:53,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:31:53,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:31:53,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:31:53,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (1/1) ... [2020-12-23 10:31:53,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:31:53,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:31:53,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:31:53,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:31:53,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (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 10:31:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:31:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:31:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:31:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:31:54,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:31:54,807 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:31:54,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:31:54 BoogieIcfgContainer [2020-12-23 10:31:54,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:31:54,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:31:54,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:31:54,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:31:54,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:31:52" (1/3) ... [2020-12-23 10:31:54,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bec3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:31:54, skipping insertion in model container [2020-12-23 10:31:54,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:31:52" (2/3) ... [2020-12-23 10:31:54,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bec3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:31:54, skipping insertion in model container [2020-12-23 10:31:54,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:31:54" (3/3) ... [2020-12-23 10:31:54,819 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:31:54,825 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:31:54,831 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 10:31:54,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 10:31:54,881 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:31:54,881 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:31:54,881 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:31:54,882 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:31:54,882 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:31:54,882 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:31:54,882 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:31:54,882 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:31:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-12-23 10:31:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 10:31:54,921 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:54,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:31:54,923 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:54,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:54,929 INFO L82 PathProgramCache]: Analyzing trace with hash 304488522, now seen corresponding path program 1 times [2020-12-23 10:31:54,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:54,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457265091] [2020-12-23 10:31:54,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:55,539 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 10:31:55,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457265091] [2020-12-23 10:31:55,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:55,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:55,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308827506] [2020-12-23 10:31:55,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:55,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:55,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:55,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:55,573 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 3 states. [2020-12-23 10:31:55,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:55,742 INFO L93 Difference]: Finished difference Result 568 states and 991 transitions. [2020-12-23 10:31:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:55,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 10:31:55,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:55,788 INFO L225 Difference]: With dead ends: 568 [2020-12-23 10:31:55,788 INFO L226 Difference]: Without dead ends: 432 [2020-12-23 10:31:55,795 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 10:31:55,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-12-23 10:31:55,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2020-12-23 10:31:55,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 10:31:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 714 transitions. [2020-12-23 10:31:55,923 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 714 transitions. Word has length 111 [2020-12-23 10:31:55,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:55,924 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 714 transitions. [2020-12-23 10:31:55,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 714 transitions. [2020-12-23 10:31:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 10:31:55,934 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:55,934 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 10:31:55,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:31:55,936 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:55,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:55,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1517208970, now seen corresponding path program 1 times [2020-12-23 10:31:55,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:55,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167187393] [2020-12-23 10:31:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:56,228 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 10:31:56,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167187393] [2020-12-23 10:31:56,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:56,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:56,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77624886] [2020-12-23 10:31:56,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:56,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:56,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:56,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:56,233 INFO L87 Difference]: Start difference. First operand 430 states and 714 transitions. Second operand 3 states. [2020-12-23 10:31:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:56,302 INFO L93 Difference]: Finished difference Result 660 states and 1105 transitions. [2020-12-23 10:31:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:56,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 10:31:56,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:56,310 INFO L225 Difference]: With dead ends: 660 [2020-12-23 10:31:56,310 INFO L226 Difference]: Without dead ends: 533 [2020-12-23 10:31:56,315 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 10:31:56,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-12-23 10:31:56,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2020-12-23 10:31:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-12-23 10:31:56,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 886 transitions. [2020-12-23 10:31:56,349 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 886 transitions. Word has length 114 [2020-12-23 10:31:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:56,349 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 886 transitions. [2020-12-23 10:31:56,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 886 transitions. [2020-12-23 10:31:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 10:31:56,351 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:56,352 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 10:31:56,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:31:56,352 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:56,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:56,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1179194652, now seen corresponding path program 1 times [2020-12-23 10:31:56,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:56,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644105598] [2020-12-23 10:31:56,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:56,492 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 10:31:56,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644105598] [2020-12-23 10:31:56,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:56,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:56,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750930371] [2020-12-23 10:31:56,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:56,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:56,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:56,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:56,500 INFO L87 Difference]: Start difference. First operand 531 states and 886 transitions. Second operand 3 states. [2020-12-23 10:31:56,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:56,587 INFO L93 Difference]: Finished difference Result 1184 states and 1985 transitions. [2020-12-23 10:31:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:56,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 10:31:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:56,598 INFO L225 Difference]: With dead ends: 1184 [2020-12-23 10:31:56,599 INFO L226 Difference]: Without dead ends: 844 [2020-12-23 10:31:56,602 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 10:31:56,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-12-23 10:31:56,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 842. [2020-12-23 10:31:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-12-23 10:31:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1406 transitions. [2020-12-23 10:31:56,676 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1406 transitions. Word has length 114 [2020-12-23 10:31:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:56,687 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1406 transitions. [2020-12-23 10:31:56,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1406 transitions. [2020-12-23 10:31:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 10:31:56,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:56,690 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 10:31:56,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:31:56,692 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:56,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:56,693 INFO L82 PathProgramCache]: Analyzing trace with hash -236553538, now seen corresponding path program 1 times [2020-12-23 10:31:56,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:56,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489793577] [2020-12-23 10:31:56,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:56,921 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 10:31:56,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489793577] [2020-12-23 10:31:56,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:56,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:56,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954699624] [2020-12-23 10:31:56,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:56,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:56,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:56,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:56,924 INFO L87 Difference]: Start difference. First operand 842 states and 1406 transitions. Second operand 3 states. [2020-12-23 10:31:56,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:56,985 INFO L93 Difference]: Finished difference Result 1462 states and 2452 transitions. [2020-12-23 10:31:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:56,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 10:31:56,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:56,994 INFO L225 Difference]: With dead ends: 1462 [2020-12-23 10:31:56,994 INFO L226 Difference]: Without dead ends: 1122 [2020-12-23 10:31:56,996 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 10:31:56,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-12-23 10:31:57,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1120. [2020-12-23 10:31:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-12-23 10:31:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1872 transitions. [2020-12-23 10:31:57,046 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1872 transitions. Word has length 117 [2020-12-23 10:31:57,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:57,046 INFO L481 AbstractCegarLoop]: Abstraction has 1120 states and 1872 transitions. [2020-12-23 10:31:57,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:57,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1872 transitions. [2020-12-23 10:31:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 10:31:57,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:57,049 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 10:31:57,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:31:57,049 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:57,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:57,050 INFO L82 PathProgramCache]: Analyzing trace with hash 2147173936, now seen corresponding path program 1 times [2020-12-23 10:31:57,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:57,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124038150] [2020-12-23 10:31:57,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:57,151 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 10:31:57,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124038150] [2020-12-23 10:31:57,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:57,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:57,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965119640] [2020-12-23 10:31:57,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:57,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:57,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:57,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:57,153 INFO L87 Difference]: Start difference. First operand 1120 states and 1872 transitions. Second operand 3 states. [2020-12-23 10:31:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:57,253 INFO L93 Difference]: Finished difference Result 2861 states and 4787 transitions. [2020-12-23 10:31:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:57,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 10:31:57,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:57,266 INFO L225 Difference]: With dead ends: 2861 [2020-12-23 10:31:57,267 INFO L226 Difference]: Without dead ends: 1950 [2020-12-23 10:31:57,270 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 10:31:57,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-12-23 10:31:57,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1948. [2020-12-23 10:31:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2020-12-23 10:31:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 3243 transitions. [2020-12-23 10:31:57,408 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 3243 transitions. Word has length 117 [2020-12-23 10:31:57,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:57,408 INFO L481 AbstractCegarLoop]: Abstraction has 1948 states and 3243 transitions. [2020-12-23 10:31:57,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 3243 transitions. [2020-12-23 10:31:57,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 10:31:57,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:57,411 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 10:31:57,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:31:57,411 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:57,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:57,412 INFO L82 PathProgramCache]: Analyzing trace with hash 866565200, now seen corresponding path program 1 times [2020-12-23 10:31:57,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:57,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119503445] [2020-12-23 10:31:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:57,500 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 10:31:57,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119503445] [2020-12-23 10:31:57,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:57,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:57,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832606186] [2020-12-23 10:31:57,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:57,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:57,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:57,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:57,503 INFO L87 Difference]: Start difference. First operand 1948 states and 3243 transitions. Second operand 3 states. [2020-12-23 10:31:57,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:57,644 INFO L93 Difference]: Finished difference Result 3554 states and 5943 transitions. [2020-12-23 10:31:57,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:57,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 10:31:57,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:57,661 INFO L225 Difference]: With dead ends: 3554 [2020-12-23 10:31:57,662 INFO L226 Difference]: Without dead ends: 2643 [2020-12-23 10:31:57,664 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 10:31:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2020-12-23 10:31:57,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2641. [2020-12-23 10:31:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2641 states. [2020-12-23 10:31:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 4398 transitions. [2020-12-23 10:31:57,850 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 4398 transitions. Word has length 120 [2020-12-23 10:31:57,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:57,851 INFO L481 AbstractCegarLoop]: Abstraction has 2641 states and 4398 transitions. [2020-12-23 10:31:57,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 4398 transitions. [2020-12-23 10:31:57,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 10:31:57,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:57,853 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 10:31:57,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:31:57,854 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:57,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:57,859 INFO L82 PathProgramCache]: Analyzing trace with hash 83170558, now seen corresponding path program 1 times [2020-12-23 10:31:57,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:57,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89459338] [2020-12-23 10:31:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:57,966 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 10:31:57,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89459338] [2020-12-23 10:31:57,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:57,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:57,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777750381] [2020-12-23 10:31:57,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:57,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:57,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:57,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:57,969 INFO L87 Difference]: Start difference. First operand 2641 states and 4398 transitions. Second operand 3 states. [2020-12-23 10:31:58,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:58,226 INFO L93 Difference]: Finished difference Result 7226 states and 12005 transitions. [2020-12-23 10:31:58,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:58,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 10:31:58,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:58,253 INFO L225 Difference]: With dead ends: 7226 [2020-12-23 10:31:58,253 INFO L226 Difference]: Without dead ends: 4812 [2020-12-23 10:31:58,259 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 10:31:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4812 states. [2020-12-23 10:31:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4812 to 4810. [2020-12-23 10:31:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-12-23 10:31:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 7944 transitions. [2020-12-23 10:31:58,560 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 7944 transitions. Word has length 120 [2020-12-23 10:31:58,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:58,561 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 7944 transitions. [2020-12-23 10:31:58,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 7944 transitions. [2020-12-23 10:31:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 10:31:58,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:58,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:31:58,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:31:58,563 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:58,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:58,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1139352598, now seen corresponding path program 1 times [2020-12-23 10:31:58,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:58,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604111327] [2020-12-23 10:31:58,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:58,702 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 10:31:58,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604111327] [2020-12-23 10:31:58,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:58,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:31:58,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034122928] [2020-12-23 10:31:58,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:31:58,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:58,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:31:58,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:31:58,706 INFO L87 Difference]: Start difference. First operand 4810 states and 7944 transitions. Second operand 6 states. [2020-12-23 10:32:00,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:00,148 INFO L93 Difference]: Finished difference Result 29771 states and 49577 transitions. [2020-12-23 10:32:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 10:32:00,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2020-12-23 10:32:00,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:00,262 INFO L225 Difference]: With dead ends: 29771 [2020-12-23 10:32:00,262 INFO L226 Difference]: Without dead ends: 25188 [2020-12-23 10:32:00,277 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 10:32:00,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25188 states. [2020-12-23 10:32:01,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25188 to 9236. [2020-12-23 10:32:01,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9236 states. [2020-12-23 10:32:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9236 states to 9236 states and 15212 transitions. [2020-12-23 10:32:01,056 INFO L78 Accepts]: Start accepts. Automaton has 9236 states and 15212 transitions. Word has length 123 [2020-12-23 10:32:01,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:01,056 INFO L481 AbstractCegarLoop]: Abstraction has 9236 states and 15212 transitions. [2020-12-23 10:32:01,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:32:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 9236 states and 15212 transitions. [2020-12-23 10:32:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 10:32:01,058 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:01,058 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 10:32:01,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:32:01,059 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:01,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:01,059 INFO L82 PathProgramCache]: Analyzing trace with hash 893130139, now seen corresponding path program 1 times [2020-12-23 10:32:01,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:01,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537969600] [2020-12-23 10:32:01,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:01,151 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 10:32:01,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537969600] [2020-12-23 10:32:01,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:01,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:32:01,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724186177] [2020-12-23 10:32:01,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:32:01,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:01,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:32:01,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:32:01,154 INFO L87 Difference]: Start difference. First operand 9236 states and 15212 transitions. Second operand 4 states. [2020-12-23 10:32:02,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:02,653 INFO L93 Difference]: Finished difference Result 30029 states and 49739 transitions. [2020-12-23 10:32:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:32:02,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-12-23 10:32:02,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:02,708 INFO L225 Difference]: With dead ends: 30029 [2020-12-23 10:32:02,708 INFO L226 Difference]: Without dead ends: 21020 [2020-12-23 10:32:02,722 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 10:32:02,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21020 states. [2020-12-23 10:32:03,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21020 to 15091. [2020-12-23 10:32:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15091 states. [2020-12-23 10:32:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15091 states to 15091 states and 24876 transitions. [2020-12-23 10:32:03,929 INFO L78 Accepts]: Start accepts. Automaton has 15091 states and 24876 transitions. Word has length 124 [2020-12-23 10:32:03,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:03,930 INFO L481 AbstractCegarLoop]: Abstraction has 15091 states and 24876 transitions. [2020-12-23 10:32:03,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:32:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 15091 states and 24876 transitions. [2020-12-23 10:32:03,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 10:32:03,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:03,932 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 10:32:03,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:32:03,932 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:03,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:03,933 INFO L82 PathProgramCache]: Analyzing trace with hash -485089184, now seen corresponding path program 1 times [2020-12-23 10:32:03,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:03,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813252551] [2020-12-23 10:32:03,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:04,031 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 10:32:04,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813252551] [2020-12-23 10:32:04,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:04,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:32:04,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683294326] [2020-12-23 10:32:04,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:32:04,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:04,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:32:04,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:32:04,034 INFO L87 Difference]: Start difference. First operand 15091 states and 24876 transitions. Second operand 3 states. [2020-12-23 10:32:05,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:05,399 INFO L93 Difference]: Finished difference Result 28697 states and 47478 transitions. [2020-12-23 10:32:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:32:05,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 10:32:05,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:05,448 INFO L225 Difference]: With dead ends: 28697 [2020-12-23 10:32:05,448 INFO L226 Difference]: Without dead ends: 20733 [2020-12-23 10:32:05,462 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 10:32:05,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20733 states. [2020-12-23 10:32:06,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20733 to 20731. [2020-12-23 10:32:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20731 states. [2020-12-23 10:32:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20731 states to 20731 states and 34119 transitions. [2020-12-23 10:32:06,862 INFO L78 Accepts]: Start accepts. Automaton has 20731 states and 34119 transitions. Word has length 124 [2020-12-23 10:32:06,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:06,863 INFO L481 AbstractCegarLoop]: Abstraction has 20731 states and 34119 transitions. [2020-12-23 10:32:06,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:32:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 20731 states and 34119 transitions. [2020-12-23 10:32:06,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-23 10:32:06,865 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:06,865 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 10:32:06,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 10:32:06,865 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:06,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:06,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1854726525, now seen corresponding path program 1 times [2020-12-23 10:32:06,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:06,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878724722] [2020-12-23 10:32:06,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:07,001 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 10:32:07,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878724722] [2020-12-23 10:32:07,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:07,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:32:07,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883214936] [2020-12-23 10:32:07,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:32:07,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:07,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:32:07,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:32:07,006 INFO L87 Difference]: Start difference. First operand 20731 states and 34119 transitions. Second operand 4 states. [2020-12-23 10:32:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:09,350 INFO L93 Difference]: Finished difference Result 67909 states and 112035 transitions. [2020-12-23 10:32:09,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:32:09,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-12-23 10:32:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:09,456 INFO L225 Difference]: With dead ends: 67909 [2020-12-23 10:32:09,457 INFO L226 Difference]: Without dead ends: 47423 [2020-12-23 10:32:09,484 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 10:32:09,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47423 states. [2020-12-23 10:32:11,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47423 to 33748. [2020-12-23 10:32:11,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33748 states. [2020-12-23 10:32:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33748 states to 33748 states and 55389 transitions. [2020-12-23 10:32:11,727 INFO L78 Accepts]: Start accepts. Automaton has 33748 states and 55389 transitions. Word has length 125 [2020-12-23 10:32:11,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:11,727 INFO L481 AbstractCegarLoop]: Abstraction has 33748 states and 55389 transitions. [2020-12-23 10:32:11,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:32:11,727 INFO L276 IsEmpty]: Start isEmpty. Operand 33748 states and 55389 transitions. [2020-12-23 10:32:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 10:32:11,729 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:11,729 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 10:32:11,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 10:32:11,730 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:11,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:11,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1604001442, now seen corresponding path program 1 times [2020-12-23 10:32:11,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:11,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290824438] [2020-12-23 10:32:11,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:11,838 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 10:32:11,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290824438] [2020-12-23 10:32:11,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:11,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:32:11,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801661729] [2020-12-23 10:32:11,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:32:11,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:11,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:32:11,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:32:11,842 INFO L87 Difference]: Start difference. First operand 33748 states and 55389 transitions. Second operand 4 states. [2020-12-23 10:32:15,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:15,609 INFO L93 Difference]: Finished difference Result 109323 states and 179874 transitions. [2020-12-23 10:32:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:32:15,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-12-23 10:32:15,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:15,708 INFO L225 Difference]: With dead ends: 109323 [2020-12-23 10:32:15,708 INFO L226 Difference]: Without dead ends: 75820 [2020-12-23 10:32:15,753 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 10:32:15,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75820 states. [2020-12-23 10:32:19,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75820 to 54641. [2020-12-23 10:32:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54641 states. [2020-12-23 10:32:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54641 states to 54641 states and 89427 transitions. [2020-12-23 10:32:19,423 INFO L78 Accepts]: Start accepts. Automaton has 54641 states and 89427 transitions. Word has length 126 [2020-12-23 10:32:19,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:19,424 INFO L481 AbstractCegarLoop]: Abstraction has 54641 states and 89427 transitions. [2020-12-23 10:32:19,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:32:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 54641 states and 89427 transitions. [2020-12-23 10:32:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 10:32:19,425 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:19,425 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 10:32:19,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 10:32:19,426 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:19,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:19,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1868950812, now seen corresponding path program 1 times [2020-12-23 10:32:19,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:19,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364103229] [2020-12-23 10:32:19,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:19,516 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 10:32:19,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364103229] [2020-12-23 10:32:19,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:19,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:32:19,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127988807] [2020-12-23 10:32:19,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:32:19,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:19,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:32:19,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:32:19,519 INFO L87 Difference]: Start difference. First operand 54641 states and 89427 transitions. Second operand 4 states. [2020-12-23 10:32:26,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:26,095 INFO L93 Difference]: Finished difference Result 175049 states and 287186 transitions. [2020-12-23 10:32:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:32:26,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2020-12-23 10:32:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:26,298 INFO L225 Difference]: With dead ends: 175049 [2020-12-23 10:32:26,298 INFO L226 Difference]: Without dead ends: 120653 [2020-12-23 10:32:26,377 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 10:32:26,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120653 states. [2020-12-23 10:32:31,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120653 to 87422. [2020-12-23 10:32:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87422 states. [2020-12-23 10:32:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87422 states to 87422 states and 142673 transitions. [2020-12-23 10:32:31,985 INFO L78 Accepts]: Start accepts. Automaton has 87422 states and 142673 transitions. Word has length 127 [2020-12-23 10:32:31,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:31,985 INFO L481 AbstractCegarLoop]: Abstraction has 87422 states and 142673 transitions. [2020-12-23 10:32:31,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:32:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 87422 states and 142673 transitions. [2020-12-23 10:32:31,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-23 10:32:31,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:31,993 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 10:32:31,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 10:32:31,993 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:31,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:31,994 INFO L82 PathProgramCache]: Analyzing trace with hash 2012261173, now seen corresponding path program 1 times [2020-12-23 10:32:31,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:31,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552783840] [2020-12-23 10:32:31,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:32,203 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 10:32:32,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552783840] [2020-12-23 10:32:32,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:32,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:32:32,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685012251] [2020-12-23 10:32:32,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:32:32,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:32,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:32:32,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:32:32,206 INFO L87 Difference]: Start difference. First operand 87422 states and 142673 transitions. Second operand 6 states. [2020-12-23 10:32:37,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:37,799 INFO L93 Difference]: Finished difference Result 174601 states and 284955 transitions. [2020-12-23 10:32:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:32:37,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2020-12-23 10:32:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:37,929 INFO L225 Difference]: With dead ends: 174601 [2020-12-23 10:32:37,929 INFO L226 Difference]: Without dead ends: 87424 [2020-12-23 10:32:37,988 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 10:32:38,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87424 states. [2020-12-23 10:32:43,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87424 to 87422. [2020-12-23 10:32:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87422 states. [2020-12-23 10:32:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87422 states to 87422 states and 142048 transitions. [2020-12-23 10:32:43,360 INFO L78 Accepts]: Start accepts. Automaton has 87422 states and 142048 transitions. Word has length 129 [2020-12-23 10:32:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:43,361 INFO L481 AbstractCegarLoop]: Abstraction has 87422 states and 142048 transitions. [2020-12-23 10:32:43,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:32:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 87422 states and 142048 transitions. [2020-12-23 10:32:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 10:32:43,363 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:43,364 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 10:32:43,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 10:32:43,364 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:43,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:43,364 INFO L82 PathProgramCache]: Analyzing trace with hash 365685076, now seen corresponding path program 1 times [2020-12-23 10:32:43,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:43,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229434486] [2020-12-23 10:32:43,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:43,563 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 10:32:43,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229434486] [2020-12-23 10:32:43,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:43,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:32:43,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634789890] [2020-12-23 10:32:43,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:32:43,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:43,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:32:43,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:32:43,566 INFO L87 Difference]: Start difference. First operand 87422 states and 142048 transitions. Second operand 6 states. [2020-12-23 10:32:58,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:58,761 INFO L93 Difference]: Finished difference Result 328443 states and 534734 transitions. [2020-12-23 10:32:58,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:32:58,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-12-23 10:32:58,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:59,363 INFO L225 Difference]: With dead ends: 328443 [2020-12-23 10:32:59,363 INFO L226 Difference]: Without dead ends: 241266 [2020-12-23 10:32:59,448 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 10:32:59,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241266 states. [2020-12-23 10:33:11,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241266 to 168414. [2020-12-23 10:33:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168414 states. [2020-12-23 10:33:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168414 states to 168414 states and 272047 transitions. [2020-12-23 10:33:12,347 INFO L78 Accepts]: Start accepts. Automaton has 168414 states and 272047 transitions. Word has length 132 [2020-12-23 10:33:12,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:33:12,347 INFO L481 AbstractCegarLoop]: Abstraction has 168414 states and 272047 transitions. [2020-12-23 10:33:12,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:33:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 168414 states and 272047 transitions. [2020-12-23 10:33:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 10:33:12,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:33:12,378 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 10:33:12,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 10:33:12,379 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:33:12,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:33:12,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1550573646, now seen corresponding path program 1 times [2020-12-23 10:33:12,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:33:12,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213845807] [2020-12-23 10:33:12,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:33:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:33:12,605 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 10:33:12,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213845807] [2020-12-23 10:33:12,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:33:12,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:33:12,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308611830] [2020-12-23 10:33:12,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:33:12,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:33:12,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:33:12,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:33:12,607 INFO L87 Difference]: Start difference. First operand 168414 states and 272047 transitions. Second operand 5 states. [2020-12-23 10:33:35,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:33:35,816 INFO L93 Difference]: Finished difference Result 327635 states and 527088 transitions. [2020-12-23 10:33:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:33:35,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-12-23 10:33:35,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:33:36,558 INFO L225 Difference]: With dead ends: 327635 [2020-12-23 10:33:36,558 INFO L226 Difference]: Without dead ends: 327633 [2020-12-23 10:33:36,630 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 10:33:36,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327633 states. [2020-12-23 10:33:51,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327633 to 172482. [2020-12-23 10:33:51,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172482 states. [2020-12-23 10:33:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172482 states to 172482 states and 276088 transitions. [2020-12-23 10:33:52,213 INFO L78 Accepts]: Start accepts. Automaton has 172482 states and 276088 transitions. Word has length 133 [2020-12-23 10:33:52,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:33:52,213 INFO L481 AbstractCegarLoop]: Abstraction has 172482 states and 276088 transitions. [2020-12-23 10:33:52,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:33:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 172482 states and 276088 transitions. [2020-12-23 10:33:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 10:33:52,220 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:33:52,220 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 10:33:52,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 10:33:52,220 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:33:52,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:33:52,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2098432369, now seen corresponding path program 1 times [2020-12-23 10:33:52,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:33:52,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141243792] [2020-12-23 10:33:52,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:33:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:33:52,382 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 10:33:52,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141243792] [2020-12-23 10:33:52,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:33:52,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:33:52,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93411723] [2020-12-23 10:33:52,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:33:52,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:33:52,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:33:52,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:33:52,384 INFO L87 Difference]: Start difference. First operand 172482 states and 276088 transitions. Second operand 6 states. [2020-12-23 10:34:16,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:16,250 INFO L93 Difference]: Finished difference Result 359636 states and 578793 transitions. [2020-12-23 10:34:16,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:34:16,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-12-23 10:34:16,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:16,927 INFO L225 Difference]: With dead ends: 359636 [2020-12-23 10:34:16,928 INFO L226 Difference]: Without dead ends: 283834 [2020-12-23 10:34:17,034 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 10:34:17,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283834 states. [2020-12-23 10:34:36,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283834 to 225007. [2020-12-23 10:34:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225007 states. [2020-12-23 10:34:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225007 states to 225007 states and 360557 transitions. [2020-12-23 10:34:37,328 INFO L78 Accepts]: Start accepts. Automaton has 225007 states and 360557 transitions. Word has length 163 [2020-12-23 10:34:37,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:37,328 INFO L481 AbstractCegarLoop]: Abstraction has 225007 states and 360557 transitions. [2020-12-23 10:34:37,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:34:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 225007 states and 360557 transitions. [2020-12-23 10:34:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 10:34:37,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:37,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:34:37,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 10:34:37,345 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:37,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:37,346 INFO L82 PathProgramCache]: Analyzing trace with hash -903642171, now seen corresponding path program 1 times [2020-12-23 10:34:37,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:37,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669172294] [2020-12-23 10:34:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-23 10:34:37,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669172294] [2020-12-23 10:34:37,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:37,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:34:37,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776018023] [2020-12-23 10:34:37,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:34:37,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:37,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:34:37,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:34:37,509 INFO L87 Difference]: Start difference. First operand 225007 states and 360557 transitions. Second operand 6 states.