/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_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 21:21:49,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 21:21:49,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 21:21:49,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 21:21:49,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 21:21:49,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 21:21:49,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 21:21:49,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 21:21:49,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 21:21:49,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 21:21:49,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 21:21:49,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 21:21:49,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 21:21:49,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 21:21:49,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 21:21:49,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 21:21:49,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 21:21:49,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 21:21:49,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 21:21:49,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 21:21:49,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 21:21:49,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 21:21:49,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 21:21:49,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 21:21:49,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 21:21:49,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 21:21:49,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 21:21:49,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 21:21:49,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 21:21:49,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 21:21:49,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 21:21:49,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 21:21:49,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 21:21:49,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 21:21:49,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 21:21:49,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 21:21:49,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 21:21:49,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 21:21:49,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 21:21:49,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 21:21:49,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 21:21:49,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 21:21:49,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 21:21:49,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 21:21:49,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 21:21:49,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 21:21:49,845 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 21:21:49,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 21:21:49,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 21:21:49,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 21:21:49,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 21:21:49,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 21:21:49,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 21:21:49,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 21:21:49,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 21:21:49,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 21:21:49,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 21:21:49,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 21:21:49,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 21:21:49,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 21:21:49,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 21:21:49,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 21:21:49,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 21:21:49,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 21:21:49,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 21:21:49,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 21:21:49,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 21:21:49,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 21:21:50,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 21:21:50,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 21:21:50,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 21:21:50,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 21:21:50,253 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 21:21:50,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 21:21:50,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6c04b344a/9db2004b30124180858647fc2f4405af/FLAG986eb94ee [2021-01-06 21:21:51,062 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 21:21:51,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 21:21:51,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6c04b344a/9db2004b30124180858647fc2f4405af/FLAG986eb94ee [2021-01-06 21:21:51,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6c04b344a/9db2004b30124180858647fc2f4405af [2021-01-06 21:21:51,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 21:21:51,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 21:21:51,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 21:21:51,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 21:21:51,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 21:21:51,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:21:51" (1/1) ... [2021-01-06 21:21:51,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46de8dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:51, skipping insertion in model container [2021-01-06 21:21:51,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:21:51" (1/1) ... [2021-01-06 21:21:51,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 21:21:51,400 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[~newmax1~0,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[~newmax2~0,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[~newmax3~0,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[~newmax4~0,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_4990~0,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[~node1__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] 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[~node1__newmax~0,] 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[~node1__newmax~0,] 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[~node1__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r2~0,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[~node2__newmax~0,] 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[~node2__newmax~0,] 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[~node2__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax2~0,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[~node3__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r3~0,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[~node3__newmax~0,] 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[~node3__newmax~0,] 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[~node3__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax3~0,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[~node4__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r4~0,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[~node4__newmax~0,] 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[~node4__newmax~0,] 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[~node4__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax4~0,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_5236~0,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,] [2021-01-06 21:21:51,756 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_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[13086,13099] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~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,] [2021-01-06 21:21:51,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:21:51,867 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[~newmax1~0,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[~newmax2~0,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[~newmax3~0,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[~newmax4~0,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_4990~0,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[~node1__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] 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[~node1__newmax~0,] 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[~node1__newmax~0,] 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[~node1__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r2~0,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[~node2__newmax~0,] 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[~node2__newmax~0,] 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[~node2__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax2~0,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[~node3__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r3~0,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[~node3__newmax~0,] 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[~node3__newmax~0,] 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[~node3__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax3~0,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[~node4__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r4~0,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[~node4__newmax~0,] 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[~node4__newmax~0,] 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[~node4__newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax4~0,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_5236~0,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,] [2021-01-06 21:21:52,047 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_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[13086,13099] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~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,] [2021-01-06 21:21:52,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:21:52,122 INFO L208 MainTranslator]: Completed translation [2021-01-06 21:21:52,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52 WrapperNode [2021-01-06 21:21:52,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 21:21:52,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 21:21:52,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 21:21:52,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 21:21:52,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 21:21:52,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 21:21:52,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 21:21:52,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 21:21:52,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (1/1) ... [2021-01-06 21:21:52,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 21:21:52,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 21:21:52,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 21:21:52,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 21:21:52,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (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 [2021-01-06 21:21:52,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 21:21:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 21:21:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 21:21:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 21:21:53,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 21:21:53,895 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 21:21:53,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:21:53 BoogieIcfgContainer [2021-01-06 21:21:53,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 21:21:53,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 21:21:53,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 21:21:53,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 21:21:53,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 09:21:51" (1/3) ... [2021-01-06 21:21:53,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb52a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:21:53, skipping insertion in model container [2021-01-06 21:21:53,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:21:52" (2/3) ... [2021-01-06 21:21:53,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb52a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:21:53, skipping insertion in model container [2021-01-06 21:21:53,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:21:53" (3/3) ... [2021-01-06 21:21:53,907 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 21:21:53,913 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 21:21:53,918 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 21:21:53,937 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 21:21:53,968 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 21:21:53,968 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 21:21:53,968 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 21:21:53,969 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 21:21:53,969 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 21:21:53,969 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 21:21:53,969 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 21:21:53,969 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 21:21:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2021-01-06 21:21:54,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 21:21:54,011 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:21:54,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:21:54,012 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:21:54,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:21:54,019 INFO L82 PathProgramCache]: Analyzing trace with hash -139604630, now seen corresponding path program 1 times [2021-01-06 21:21:54,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:21:54,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238982308] [2021-01-06 21:21:54,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:21:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:21:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:21:54,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238982308] [2021-01-06 21:21:54,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:21:54,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:21:54,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957759060] [2021-01-06 21:21:54,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:21:54,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:21:54,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:21:54,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:21:54,692 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 3 states. [2021-01-06 21:21:54,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:21:54,900 INFO L93 Difference]: Finished difference Result 640 states and 1100 transitions. [2021-01-06 21:21:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:21:54,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-06 21:21:54,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:21:54,938 INFO L225 Difference]: With dead ends: 640 [2021-01-06 21:21:54,939 INFO L226 Difference]: Without dead ends: 477 [2021-01-06 21:21:54,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:21:54,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-01-06 21:21:55,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 474. [2021-01-06 21:21:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2021-01-06 21:21:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 789 transitions. [2021-01-06 21:21:55,069 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 789 transitions. Word has length 106 [2021-01-06 21:21:55,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:21:55,071 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 789 transitions. [2021-01-06 21:21:55,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:21:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 789 transitions. [2021-01-06 21:21:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 21:21:55,084 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:21:55,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:21:55,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 21:21:55,087 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:21:55,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:21:55,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1315500352, now seen corresponding path program 1 times [2021-01-06 21:21:55,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:21:55,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917121573] [2021-01-06 21:21:55,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:21:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:21:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:21:55,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917121573] [2021-01-06 21:21:55,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:21:55,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:21:55,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125534451] [2021-01-06 21:21:55,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:21:55,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:21:55,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:21:55,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:21:55,382 INFO L87 Difference]: Start difference. First operand 474 states and 789 transitions. Second operand 3 states. [2021-01-06 21:21:55,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:21:55,447 INFO L93 Difference]: Finished difference Result 1040 states and 1729 transitions. [2021-01-06 21:21:55,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:21:55,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 21:21:55,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:21:55,455 INFO L225 Difference]: With dead ends: 1040 [2021-01-06 21:21:55,455 INFO L226 Difference]: Without dead ends: 747 [2021-01-06 21:21:55,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:21:55,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2021-01-06 21:21:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 743. [2021-01-06 21:21:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2021-01-06 21:21:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1234 transitions. [2021-01-06 21:21:55,548 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1234 transitions. Word has length 109 [2021-01-06 21:21:55,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:21:55,549 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 1234 transitions. [2021-01-06 21:21:55,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:21:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1234 transitions. [2021-01-06 21:21:55,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 21:21:55,551 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:21:55,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:21:55,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 21:21:55,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:21:55,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:21:55,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1899343221, now seen corresponding path program 1 times [2021-01-06 21:21:55,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:21:55,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205747525] [2021-01-06 21:21:55,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:21:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:21:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:21:55,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205747525] [2021-01-06 21:21:55,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:21:55,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:21:55,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566335322] [2021-01-06 21:21:55,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:21:55,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:21:55,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:21:55,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:21:55,692 INFO L87 Difference]: Start difference. First operand 743 states and 1234 transitions. Second operand 3 states. [2021-01-06 21:21:55,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:21:55,766 INFO L93 Difference]: Finished difference Result 1827 states and 3028 transitions. [2021-01-06 21:21:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:21:55,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2021-01-06 21:21:55,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:21:55,776 INFO L225 Difference]: With dead ends: 1827 [2021-01-06 21:21:55,776 INFO L226 Difference]: Without dead ends: 1265 [2021-01-06 21:21:55,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:21:55,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2021-01-06 21:21:55,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1259. [2021-01-06 21:21:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1259 states. [2021-01-06 21:21:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 2082 transitions. [2021-01-06 21:21:55,840 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 2082 transitions. Word has length 112 [2021-01-06 21:21:55,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:21:55,841 INFO L481 AbstractCegarLoop]: Abstraction has 1259 states and 2082 transitions. [2021-01-06 21:21:55,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:21:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2082 transitions. [2021-01-06 21:21:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-01-06 21:21:55,843 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:21:55,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:21:55,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 21:21:55,844 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:21:55,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:21:55,845 INFO L82 PathProgramCache]: Analyzing trace with hash -634176207, now seen corresponding path program 1 times [2021-01-06 21:21:55,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:21:55,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004465345] [2021-01-06 21:21:55,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:21:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:21:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:21:55,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004465345] [2021-01-06 21:21:55,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:21:55,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:21:55,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420045897] [2021-01-06 21:21:55,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:21:55,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:21:55,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:21:55,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:21:55,985 INFO L87 Difference]: Start difference. First operand 1259 states and 2082 transitions. Second operand 3 states. [2021-01-06 21:21:56,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:21:56,106 INFO L93 Difference]: Finished difference Result 3335 states and 5500 transitions. [2021-01-06 21:21:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:21:56,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2021-01-06 21:21:56,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:21:56,120 INFO L225 Difference]: With dead ends: 3335 [2021-01-06 21:21:56,121 INFO L226 Difference]: Without dead ends: 2257 [2021-01-06 21:21:56,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:21:56,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2021-01-06 21:21:56,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2247. [2021-01-06 21:21:56,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2247 states. [2021-01-06 21:21:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 2247 states and 3694 transitions. [2021-01-06 21:21:56,235 INFO L78 Accepts]: Start accepts. Automaton has 2247 states and 3694 transitions. Word has length 115 [2021-01-06 21:21:56,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:21:56,236 INFO L481 AbstractCegarLoop]: Abstraction has 2247 states and 3694 transitions. [2021-01-06 21:21:56,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:21:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 3694 transitions. [2021-01-06 21:21:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-01-06 21:21:56,239 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:21:56,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:21:56,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 21:21:56,240 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:21:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:21:56,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1842996660, now seen corresponding path program 1 times [2021-01-06 21:21:56,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:21:56,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747213778] [2021-01-06 21:21:56,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:21:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:21:56,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:21:56,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747213778] [2021-01-06 21:21:56,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:21:56,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 21:21:56,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530767638] [2021-01-06 21:21:56,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 21:21:56,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:21:56,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 21:21:56,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 21:21:56,533 INFO L87 Difference]: Start difference. First operand 2247 states and 3694 transitions. Second operand 6 states. [2021-01-06 21:21:57,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:21:57,323 INFO L93 Difference]: Finished difference Result 8617 states and 14223 transitions. [2021-01-06 21:21:57,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 21:21:57,326 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2021-01-06 21:21:57,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:21:57,370 INFO L225 Difference]: With dead ends: 8617 [2021-01-06 21:21:57,370 INFO L226 Difference]: Without dead ends: 6551 [2021-01-06 21:21:57,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:21:57,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6551 states. [2021-01-06 21:21:57,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6551 to 5148. [2021-01-06 21:21:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5148 states. [2021-01-06 21:21:57,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 8469 transitions. [2021-01-06 21:21:57,846 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 8469 transitions. Word has length 118 [2021-01-06 21:21:57,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:21:57,846 INFO L481 AbstractCegarLoop]: Abstraction has 5148 states and 8469 transitions. [2021-01-06 21:21:57,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 21:21:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 8469 transitions. [2021-01-06 21:21:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 21:21:57,850 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:21:57,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:21:57,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 21:21:57,851 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:21:57,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:21:57,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1365383642, now seen corresponding path program 1 times [2021-01-06 21:21:57,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:21:57,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411789156] [2021-01-06 21:21:57,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:21:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:21:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:21:57,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411789156] [2021-01-06 21:21:57,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:21:57,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 21:21:57,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579768280] [2021-01-06 21:21:57,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 21:21:57,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:21:57,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 21:21:57,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 21:21:57,979 INFO L87 Difference]: Start difference. First operand 5148 states and 8469 transitions. Second operand 4 states. [2021-01-06 21:21:58,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:21:58,624 INFO L93 Difference]: Finished difference Result 13437 states and 22185 transitions. [2021-01-06 21:21:58,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 21:21:58,625 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2021-01-06 21:21:58,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:21:58,677 INFO L225 Difference]: With dead ends: 13437 [2021-01-06 21:21:58,677 INFO L226 Difference]: Without dead ends: 8470 [2021-01-06 21:21:58,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 21:21:58,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8470 states. [2021-01-06 21:21:59,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8470 to 7613. [2021-01-06 21:21:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7613 states. [2021-01-06 21:21:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 12542 transitions. [2021-01-06 21:21:59,220 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 12542 transitions. Word has length 119 [2021-01-06 21:21:59,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:21:59,220 INFO L481 AbstractCegarLoop]: Abstraction has 7613 states and 12542 transitions. [2021-01-06 21:21:59,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 21:21:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 12542 transitions. [2021-01-06 21:21:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-01-06 21:21:59,225 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:21:59,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:21:59,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 21:21:59,226 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:21:59,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:21:59,226 INFO L82 PathProgramCache]: Analyzing trace with hash 560276051, now seen corresponding path program 1 times [2021-01-06 21:21:59,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:21:59,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289084438] [2021-01-06 21:21:59,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:21:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:21:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:21:59,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289084438] [2021-01-06 21:21:59,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:21:59,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 21:21:59,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602853515] [2021-01-06 21:21:59,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 21:21:59,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:21:59,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 21:21:59,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 21:21:59,482 INFO L87 Difference]: Start difference. First operand 7613 states and 12542 transitions. Second operand 4 states. [2021-01-06 21:22:00,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:22:00,319 INFO L93 Difference]: Finished difference Result 19772 states and 32630 transitions. [2021-01-06 21:22:00,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 21:22:00,320 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2021-01-06 21:22:00,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:22:00,371 INFO L225 Difference]: With dead ends: 19772 [2021-01-06 21:22:00,371 INFO L226 Difference]: Without dead ends: 12340 [2021-01-06 21:22:00,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 21:22:00,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12340 states. [2021-01-06 21:22:01,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12340 to 11188. [2021-01-06 21:22:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11188 states. [2021-01-06 21:22:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11188 states to 11188 states and 18411 transitions. [2021-01-06 21:22:01,142 INFO L78 Accepts]: Start accepts. Automaton has 11188 states and 18411 transitions. Word has length 120 [2021-01-06 21:22:01,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:22:01,143 INFO L481 AbstractCegarLoop]: Abstraction has 11188 states and 18411 transitions. [2021-01-06 21:22:01,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 21:22:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 11188 states and 18411 transitions. [2021-01-06 21:22:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-01-06 21:22:01,149 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:22:01,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:22:01,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 21:22:01,150 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:22:01,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:22:01,151 INFO L82 PathProgramCache]: Analyzing trace with hash 130742413, now seen corresponding path program 1 times [2021-01-06 21:22:01,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:22:01,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803062358] [2021-01-06 21:22:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:22:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:22:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:22:01,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803062358] [2021-01-06 21:22:01,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:22:01,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 21:22:01,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421948881] [2021-01-06 21:22:01,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 21:22:01,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:22:01,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 21:22:01,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 21:22:01,294 INFO L87 Difference]: Start difference. First operand 11188 states and 18411 transitions. Second operand 4 states. [2021-01-06 21:22:02,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:22:02,415 INFO L93 Difference]: Finished difference Result 28784 states and 47451 transitions. [2021-01-06 21:22:02,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 21:22:02,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2021-01-06 21:22:02,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:22:02,472 INFO L225 Difference]: With dead ends: 28784 [2021-01-06 21:22:02,472 INFO L226 Difference]: Without dead ends: 17777 [2021-01-06 21:22:02,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 21:22:02,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17777 states. [2021-01-06 21:22:03,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17777 to 16323. [2021-01-06 21:22:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16323 states. [2021-01-06 21:22:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16323 states to 16323 states and 26832 transitions. [2021-01-06 21:22:03,482 INFO L78 Accepts]: Start accepts. Automaton has 16323 states and 26832 transitions. Word has length 121 [2021-01-06 21:22:03,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:22:03,483 INFO L481 AbstractCegarLoop]: Abstraction has 16323 states and 26832 transitions. [2021-01-06 21:22:03,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 21:22:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 16323 states and 26832 transitions. [2021-01-06 21:22:03,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 21:22:03,489 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:22:03,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:22:03,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 21:22:03,490 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:22:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:22:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1601966021, now seen corresponding path program 1 times [2021-01-06 21:22:03,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:22:03,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393820991] [2021-01-06 21:22:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:22:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:22:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:22:03,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393820991] [2021-01-06 21:22:03,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:22:03,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:22:03,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470891293] [2021-01-06 21:22:03,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:22:03,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:22:03,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:22:03,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:22:03,592 INFO L87 Difference]: Start difference. First operand 16323 states and 26832 transitions. Second operand 3 states. [2021-01-06 21:22:04,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:22:04,665 INFO L93 Difference]: Finished difference Result 36538 states and 60103 transitions. [2021-01-06 21:22:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:22:04,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2021-01-06 21:22:04,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:22:04,738 INFO L225 Difference]: With dead ends: 36538 [2021-01-06 21:22:04,738 INFO L226 Difference]: Without dead ends: 25157 [2021-01-06 21:22:04,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:22:04,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25157 states. [2021-01-06 21:22:06,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25157 to 25155. [2021-01-06 21:22:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25155 states. [2021-01-06 21:22:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25155 states to 25155 states and 41236 transitions. [2021-01-06 21:22:06,197 INFO L78 Accepts]: Start accepts. Automaton has 25155 states and 41236 transitions. Word has length 122 [2021-01-06 21:22:06,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:22:06,198 INFO L481 AbstractCegarLoop]: Abstraction has 25155 states and 41236 transitions. [2021-01-06 21:22:06,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:22:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 25155 states and 41236 transitions. [2021-01-06 21:22:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 21:22:06,202 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:22:06,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:22:06,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 21:22:06,203 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:22:06,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:22:06,203 INFO L82 PathProgramCache]: Analyzing trace with hash 654906329, now seen corresponding path program 1 times [2021-01-06 21:22:06,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:22:06,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131653339] [2021-01-06 21:22:06,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:22:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:22:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:22:06,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131653339] [2021-01-06 21:22:06,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:22:06,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:22:06,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015380575] [2021-01-06 21:22:06,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:22:06,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:22:06,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:22:06,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:22:06,335 INFO L87 Difference]: Start difference. First operand 25155 states and 41236 transitions. Second operand 3 states. [2021-01-06 21:22:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:22:07,765 INFO L93 Difference]: Finished difference Result 56016 states and 91902 transitions. [2021-01-06 21:22:07,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:22:07,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2021-01-06 21:22:07,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:22:07,878 INFO L225 Difference]: With dead ends: 56016 [2021-01-06 21:22:07,879 INFO L226 Difference]: Without dead ends: 38451 [2021-01-06 21:22:07,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:22:07,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38451 states. [2021-01-06 21:22:09,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38451 to 38449. [2021-01-06 21:22:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38449 states. [2021-01-06 21:22:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38449 states to 38449 states and 62831 transitions. [2021-01-06 21:22:09,778 INFO L78 Accepts]: Start accepts. Automaton has 38449 states and 62831 transitions. Word has length 122 [2021-01-06 21:22:09,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:22:09,778 INFO L481 AbstractCegarLoop]: Abstraction has 38449 states and 62831 transitions. [2021-01-06 21:22:09,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:22:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 38449 states and 62831 transitions. [2021-01-06 21:22:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 21:22:09,781 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:22:09,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:22:09,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 21:22:09,782 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:22:09,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:22:09,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1423805753, now seen corresponding path program 1 times [2021-01-06 21:22:09,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:22:09,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982985618] [2021-01-06 21:22:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:22:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:22:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:22:10,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982985618] [2021-01-06 21:22:10,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:22:10,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:22:10,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711674365] [2021-01-06 21:22:10,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:22:10,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:22:10,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:22:10,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:22:10,050 INFO L87 Difference]: Start difference. First operand 38449 states and 62831 transitions. Second operand 3 states. [2021-01-06 21:22:12,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:22:12,244 INFO L93 Difference]: Finished difference Result 80177 states and 131219 transitions. [2021-01-06 21:22:12,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:22:12,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2021-01-06 21:22:12,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:22:12,375 INFO L225 Difference]: With dead ends: 80177 [2021-01-06 21:22:12,375 INFO L226 Difference]: Without dead ends: 56043 [2021-01-06 21:22:12,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:22:12,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56043 states. [2021-01-06 21:22:15,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56043 to 56041. [2021-01-06 21:22:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56041 states. [2021-01-06 21:22:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56041 states to 56041 states and 91292 transitions. [2021-01-06 21:22:15,137 INFO L78 Accepts]: Start accepts. Automaton has 56041 states and 91292 transitions. Word has length 122 [2021-01-06 21:22:15,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:22:15,138 INFO L481 AbstractCegarLoop]: Abstraction has 56041 states and 91292 transitions. [2021-01-06 21:22:15,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:22:15,138 INFO L276 IsEmpty]: Start isEmpty. Operand 56041 states and 91292 transitions. [2021-01-06 21:22:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 21:22:15,141 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:22:15,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:22:15,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 21:22:15,141 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:22:15,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:22:15,142 INFO L82 PathProgramCache]: Analyzing trace with hash -295340454, now seen corresponding path program 1 times [2021-01-06 21:22:15,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:22:15,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182061465] [2021-01-06 21:22:15,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:22:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:22:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:22:15,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182061465] [2021-01-06 21:22:15,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:22:15,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 21:22:15,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299109452] [2021-01-06 21:22:15,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 21:22:15,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:22:15,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 21:22:15,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 21:22:15,458 INFO L87 Difference]: Start difference. First operand 56041 states and 91292 transitions. Second operand 4 states. [2021-01-06 21:22:19,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:22:19,903 INFO L93 Difference]: Finished difference Result 165069 states and 268988 transitions. [2021-01-06 21:22:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 21:22:19,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2021-01-06 21:22:19,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:22:20,188 INFO L225 Difference]: With dead ends: 165069 [2021-01-06 21:22:20,188 INFO L226 Difference]: Without dead ends: 109429 [2021-01-06 21:22:20,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 21:22:20,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109429 states. [2021-01-06 21:22:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109429 to 82601. [2021-01-06 21:22:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82601 states. [2021-01-06 21:22:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82601 states to 82601 states and 134152 transitions. [2021-01-06 21:22:24,303 INFO L78 Accepts]: Start accepts. Automaton has 82601 states and 134152 transitions. Word has length 122 [2021-01-06 21:22:24,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:22:24,304 INFO L481 AbstractCegarLoop]: Abstraction has 82601 states and 134152 transitions. [2021-01-06 21:22:24,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 21:22:24,304 INFO L276 IsEmpty]: Start isEmpty. Operand 82601 states and 134152 transitions. [2021-01-06 21:22:24,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 21:22:24,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:22:24,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:22:24,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 21:22:24,309 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:22:24,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:22:24,310 INFO L82 PathProgramCache]: Analyzing trace with hash -845896115, now seen corresponding path program 1 times [2021-01-06 21:22:24,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:22:24,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031898903] [2021-01-06 21:22:24,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:22:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:22:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:22:24,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031898903] [2021-01-06 21:22:24,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:22:24,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:22:24,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597817094] [2021-01-06 21:22:24,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:22:24,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:22:24,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:22:24,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:22:24,428 INFO L87 Difference]: Start difference. First operand 82601 states and 134152 transitions. Second operand 3 states. [2021-01-06 21:22:29,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:22:29,447 INFO L93 Difference]: Finished difference Result 182438 states and 297872 transitions. [2021-01-06 21:22:29,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:22:29,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2021-01-06 21:22:29,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:22:29,764 INFO L225 Difference]: With dead ends: 182438 [2021-01-06 21:22:29,764 INFO L226 Difference]: Without dead ends: 123615 [2021-01-06 21:22:29,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:22:30,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123615 states. [2021-01-06 21:22:35,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123615 to 123613. [2021-01-06 21:22:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123613 states. [2021-01-06 21:22:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123613 states to 123613 states and 200493 transitions. [2021-01-06 21:22:35,489 INFO L78 Accepts]: Start accepts. Automaton has 123613 states and 200493 transitions. Word has length 122 [2021-01-06 21:22:35,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:22:35,490 INFO L481 AbstractCegarLoop]: Abstraction has 123613 states and 200493 transitions. [2021-01-06 21:22:35,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:22:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 123613 states and 200493 transitions. [2021-01-06 21:22:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-01-06 21:22:35,491 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:22:35,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:22:35,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 21:22:35,491 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:22:35,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:22:35,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1871640245, now seen corresponding path program 1 times [2021-01-06 21:22:35,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:22:35,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727038998] [2021-01-06 21:22:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:22:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:22:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:22:35,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727038998] [2021-01-06 21:22:35,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:22:35,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 21:22:35,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123701369] [2021-01-06 21:22:35,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 21:22:35,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:22:35,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 21:22:35,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 21:22:35,987 INFO L87 Difference]: Start difference. First operand 123613 states and 200493 transitions. Second operand 6 states. [2021-01-06 21:22:45,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:22:45,328 INFO L93 Difference]: Finished difference Result 318131 states and 516956 transitions. [2021-01-06 21:22:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 21:22:45,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2021-01-06 21:22:45,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:22:45,910 INFO L225 Difference]: With dead ends: 318131 [2021-01-06 21:22:45,910 INFO L226 Difference]: Without dead ends: 194767 [2021-01-06 21:22:46,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 21:22:46,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194767 states. [2021-01-06 21:22:53,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194767 to 146113. [2021-01-06 21:22:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146113 states. [2021-01-06 21:22:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146113 states to 146113 states and 236243 transitions. [2021-01-06 21:22:54,046 INFO L78 Accepts]: Start accepts. Automaton has 146113 states and 236243 transitions. Word has length 124 [2021-01-06 21:22:54,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:22:54,047 INFO L481 AbstractCegarLoop]: Abstraction has 146113 states and 236243 transitions. [2021-01-06 21:22:54,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 21:22:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 146113 states and 236243 transitions. [2021-01-06 21:22:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-01-06 21:22:54,047 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:22:54,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:22:54,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 21:22:54,048 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:22:54,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:22:54,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1477496671, now seen corresponding path program 1 times [2021-01-06 21:22:54,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:22:54,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219053285] [2021-01-06 21:22:54,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:22:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:22:54,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:22:54,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219053285] [2021-01-06 21:22:54,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:22:54,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 21:22:54,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798345216] [2021-01-06 21:22:54,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 21:22:54,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:22:54,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 21:22:54,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 21:22:54,493 INFO L87 Difference]: Start difference. First operand 146113 states and 236243 transitions. Second operand 6 states. [2021-01-06 21:23:08,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:23:08,871 INFO L93 Difference]: Finished difference Result 430107 states and 695973 transitions. [2021-01-06 21:23:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 21:23:08,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2021-01-06 21:23:08,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:23:09,467 INFO L225 Difference]: With dead ends: 430107 [2021-01-06 21:23:09,467 INFO L226 Difference]: Without dead ends: 284243 [2021-01-06 21:23:09,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-01-06 21:23:10,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284243 states. [2021-01-06 21:23:24,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284243 to 284241. [2021-01-06 21:23:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284241 states. [2021-01-06 21:23:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284241 states to 284241 states and 457259 transitions. [2021-01-06 21:23:25,749 INFO L78 Accepts]: Start accepts. Automaton has 284241 states and 457259 transitions. Word has length 127 [2021-01-06 21:23:25,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:23:25,749 INFO L481 AbstractCegarLoop]: Abstraction has 284241 states and 457259 transitions. [2021-01-06 21:23:25,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 21:23:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 284241 states and 457259 transitions. [2021-01-06 21:23:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-01-06 21:23:25,750 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:23:25,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:23:25,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 21:23:25,751 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:23:25,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:23:25,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1444152568, now seen corresponding path program 1 times [2021-01-06 21:23:25,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:23:25,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856146796] [2021-01-06 21:23:25,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:23:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:23:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:23:25,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856146796] [2021-01-06 21:23:25,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:23:25,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 21:23:25,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709126550] [2021-01-06 21:23:25,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 21:23:25,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:23:25,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 21:23:25,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 21:23:25,945 INFO L87 Difference]: Start difference. First operand 284241 states and 457259 transitions. Second operand 5 states. [2021-01-06 21:23:55,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:23:55,155 INFO L93 Difference]: Finished difference Result 546888 states and 876914 transitions. [2021-01-06 21:23:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 21:23:55,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2021-01-06 21:23:55,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:23:56,687 INFO L225 Difference]: With dead ends: 546888 [2021-01-06 21:23:56,687 INFO L226 Difference]: Without dead ends: 546886 [2021-01-06 21:23:56,884 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 [2021-01-06 21:23:57,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546886 states. [2021-01-06 21:24:20,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546886 to 289829. [2021-01-06 21:24:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289829 states. [2021-01-06 21:24:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289829 states to 289829 states and 462820 transitions. [2021-01-06 21:24:21,676 INFO L78 Accepts]: Start accepts. Automaton has 289829 states and 462820 transitions. Word has length 128 [2021-01-06 21:24:21,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:24:21,677 INFO L481 AbstractCegarLoop]: Abstraction has 289829 states and 462820 transitions. [2021-01-06 21:24:21,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 21:24:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 289829 states and 462820 transitions. [2021-01-06 21:24:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-06 21:24:21,682 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:24:21,683 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 21:24:21,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 21:24:21,683 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:24:21,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:24:21,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1898521827, now seen corresponding path program 1 times [2021-01-06 21:24:21,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:24:21,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544491483] [2021-01-06 21:24:21,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:24:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:24:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-01-06 21:24:21,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544491483] [2021-01-06 21:24:21,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:24:21,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 21:24:21,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890527660] [2021-01-06 21:24:21,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 21:24:21,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:24:21,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 21:24:21,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 21:24:21,879 INFO L87 Difference]: Start difference. First operand 289829 states and 462820 transitions. Second operand 6 states. [2021-01-06 21:24:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:24:44,340 INFO L93 Difference]: Finished difference Result 401425 states and 643891 transitions. [2021-01-06 21:24:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 21:24:44,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2021-01-06 21:24:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:24:45,243 INFO L225 Difference]: With dead ends: 401425 [2021-01-06 21:24:45,243 INFO L226 Difference]: Without dead ends: 355573 [2021-01-06 21:24:45,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-01-06 21:24:45,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355573 states. [2021-01-06 21:25:06,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355573 to 325653. [2021-01-06 21:25:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325653 states. [2021-01-06 21:25:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325653 states to 325653 states and 520440 transitions. [2021-01-06 21:25:07,791 INFO L78 Accepts]: Start accepts. Automaton has 325653 states and 520440 transitions. Word has length 164 [2021-01-06 21:25:07,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:25:07,791 INFO L481 AbstractCegarLoop]: Abstraction has 325653 states and 520440 transitions. [2021-01-06 21:25:07,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 21:25:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 325653 states and 520440 transitions. [2021-01-06 21:25:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-06 21:25:07,807 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:25:07,808 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 21:25:07,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 21:25:07,808 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:25:07,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:25:07,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1449385777, now seen corresponding path program 1 times [2021-01-06 21:25:07,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:25:07,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410370324] [2021-01-06 21:25:07,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:25:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:25:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-01-06 21:25:08,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410370324] [2021-01-06 21:25:08,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:25:08,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 21:25:08,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747752274] [2021-01-06 21:25:08,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 21:25:08,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:25:08,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 21:25:08,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 21:25:08,590 INFO L87 Difference]: Start difference. First operand 325653 states and 520440 transitions. Second operand 6 states.