/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:46:03,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:46:03,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:46:03,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:46:03,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:46:03,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:46:03,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:46:03,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:46:03,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:46:03,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:46:03,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:46:03,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:46:03,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:46:03,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:46:03,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:46:03,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:46:03,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:46:03,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:46:03,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:46:03,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:46:03,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:46:03,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:46:03,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:46:03,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:46:03,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:46:03,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:46:03,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:46:03,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:46:03,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:46:03,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:46:03,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:46:03,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:46:03,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:46:03,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:46:03,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:46:03,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:46:03,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:46:03,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:46:03,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:46:03,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:46:03,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:46:03,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:46:03,627 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:46:03,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:46:03,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:46:03,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:46:03,633 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:46:03,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:46:03,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:46:03,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:46:03,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:46:03,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:46:03,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:46:03,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:46:03,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:46:03,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:46:03,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:46:03,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:46:03,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:46:03,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:46:03,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:46:03,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:46:03,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:46:03,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:46:03,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:46:03,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:46:03,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:46:03,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:46:04,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:46:04,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:46:04,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:46:04,096 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:46:04,097 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:46:04,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c [2020-12-23 09:46:04,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/fbd695ec4/6ffea3f167164630ac5c8e139e139f6d/FLAG696155466 [2020-12-23 09:46:04,906 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:46:04,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c [2020-12-23 09:46:04,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/fbd695ec4/6ffea3f167164630ac5c8e139e139f6d/FLAG696155466 [2020-12-23 09:46:05,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/fbd695ec4/6ffea3f167164630ac5c8e139e139f6d [2020-12-23 09:46:05,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:46:05,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:46:05,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:46:05,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:46:05,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:46:05,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:05,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a26ed81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05, skipping insertion in model container [2020-12-23 09:46:05,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:05,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:46:05,278 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r121~0,] left hand side expression in assignment: lhs: VariableLHS[~r131~0,] left hand side expression in assignment: lhs: VariableLHS[~r141~0,] left hand side expression in assignment: lhs: VariableLHS[~r211~0,] left hand side expression in assignment: lhs: VariableLHS[~r231~0,] left hand side expression in assignment: lhs: VariableLHS[~r241~0,] left hand side expression in assignment: lhs: VariableLHS[~r311~0,] left hand side expression in assignment: lhs: VariableLHS[~r321~0,] left hand side expression in assignment: lhs: VariableLHS[~r341~0,] left hand side expression in assignment: lhs: VariableLHS[~r411~0,] left hand side expression in assignment: lhs: VariableLHS[~r421~0,] left hand side expression in assignment: lhs: VariableLHS[~r431~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~r122~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~r132~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~r142~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~r212~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~r232~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~r242~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~r312~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~r322~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~r342~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~r412~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~r422~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~r432~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~r123~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~r133~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~r143~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~r213~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~r233~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~r243~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~r313~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~r323~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~r343~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~r413~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~r423~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~r433~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] [2020-12-23 09:46:05,677 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c[28366,28379] [2020-12-23 09:46:05,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:46:05,697 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r121~0,] left hand side expression in assignment: lhs: VariableLHS[~r131~0,] left hand side expression in assignment: lhs: VariableLHS[~r141~0,] left hand side expression in assignment: lhs: VariableLHS[~r211~0,] left hand side expression in assignment: lhs: VariableLHS[~r231~0,] left hand side expression in assignment: lhs: VariableLHS[~r241~0,] left hand side expression in assignment: lhs: VariableLHS[~r311~0,] left hand side expression in assignment: lhs: VariableLHS[~r321~0,] left hand side expression in assignment: lhs: VariableLHS[~r341~0,] left hand side expression in assignment: lhs: VariableLHS[~r411~0,] left hand side expression in assignment: lhs: VariableLHS[~r421~0,] left hand side expression in assignment: lhs: VariableLHS[~r431~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~r122~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~r132~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~r142~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~r212~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~r232~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~r242~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~r312~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~r322~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~r342~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~r412~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~r422~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~r432~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~r123~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~r133~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~r143~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~r213~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~r233~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~r243~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~r313~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~r323~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~r343~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~r413~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~r423~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~r433~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] [2020-12-23 09:46:05,899 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c[28366,28379] [2020-12-23 09:46:05,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:46:05,922 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:46:05,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05 WrapperNode [2020-12-23 09:46:05,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:46:05,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:46:05,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:46:05,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:46:05,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:05,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:06,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:46:06,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:46:06,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:46:06,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:46:06,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:06,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:06,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:06,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:06,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:06,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:06,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... [2020-12-23 09:46:06,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:46:06,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:46:06,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:46:06,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:46:06,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:46:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:46:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:46:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:46:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:46:08,239 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:46:08,242 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2020-12-23 09:46:08,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:46:08 BoogieIcfgContainer [2020-12-23 09:46:08,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:46:08,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:46:08,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:46:08,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:46:08,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:46:05" (1/3) ... [2020-12-23 09:46:08,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361290f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:46:08, skipping insertion in model container [2020-12-23 09:46:08,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:46:05" (2/3) ... [2020-12-23 09:46:08,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361290f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:46:08, skipping insertion in model container [2020-12-23 09:46:08,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:46:08" (3/3) ... [2020-12-23 09:46:08,263 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.ufo.UNBOUNDED.pals.c [2020-12-23 09:46:08,274 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:46:08,281 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 09:46:08,304 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 09:46:08,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:46:08,358 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:46:08,358 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:46:08,358 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:46:08,359 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:46:08,359 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:46:08,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:46:08,359 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:46:08,391 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-12-23 09:46:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:46:08,418 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:08,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:08,420 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:08,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:08,427 INFO L82 PathProgramCache]: Analyzing trace with hash 883240596, now seen corresponding path program 1 times [2020-12-23 09:46:08,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:08,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850804847] [2020-12-23 09:46:08,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:08,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850804847] [2020-12-23 09:46:08,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:08,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:46:08,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109161746] [2020-12-23 09:46:08,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:46:08,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:08,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:46:08,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:46:08,959 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 2 states. [2020-12-23 09:46:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:09,009 INFO L93 Difference]: Finished difference Result 427 states and 757 transitions. [2020-12-23 09:46:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:46:09,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 77 [2020-12-23 09:46:09,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:09,038 INFO L225 Difference]: With dead ends: 427 [2020-12-23 09:46:09,039 INFO L226 Difference]: Without dead ends: 307 [2020-12-23 09:46:09,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:46:09,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-12-23 09:46:09,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2020-12-23 09:46:09,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-12-23 09:46:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 550 transitions. [2020-12-23 09:46:09,129 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 550 transitions. Word has length 77 [2020-12-23 09:46:09,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:09,130 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 550 transitions. [2020-12-23 09:46:09,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:46:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 550 transitions. [2020-12-23 09:46:09,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:46:09,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:09,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:09,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:46:09,135 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:09,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:09,136 INFO L82 PathProgramCache]: Analyzing trace with hash 749227090, now seen corresponding path program 1 times [2020-12-23 09:46:09,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:09,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477352256] [2020-12-23 09:46:09,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:09,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477352256] [2020-12-23 09:46:09,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:09,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:46:09,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547854922] [2020-12-23 09:46:09,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:46:09,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:09,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:46:09,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:09,452 INFO L87 Difference]: Start difference. First operand 307 states and 550 transitions. Second operand 5 states. [2020-12-23 09:46:09,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:09,643 INFO L93 Difference]: Finished difference Result 426 states and 750 transitions. [2020-12-23 09:46:09,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:46:09,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 09:46:09,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:09,648 INFO L225 Difference]: With dead ends: 426 [2020-12-23 09:46:09,648 INFO L226 Difference]: Without dead ends: 307 [2020-12-23 09:46:09,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:46:09,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-12-23 09:46:09,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2020-12-23 09:46:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-12-23 09:46:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 508 transitions. [2020-12-23 09:46:09,675 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 508 transitions. Word has length 77 [2020-12-23 09:46:09,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:09,677 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 508 transitions. [2020-12-23 09:46:09,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:46:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 508 transitions. [2020-12-23 09:46:09,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:46:09,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:09,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:09,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:46:09,686 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:09,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:09,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1045938854, now seen corresponding path program 1 times [2020-12-23 09:46:09,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:09,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075463524] [2020-12-23 09:46:09,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:09,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075463524] [2020-12-23 09:46:09,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:09,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:09,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70474984] [2020-12-23 09:46:09,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:09,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:09,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:09,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:09,942 INFO L87 Difference]: Start difference. First operand 307 states and 508 transitions. Second operand 3 states. [2020-12-23 09:46:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:10,038 INFO L93 Difference]: Finished difference Result 526 states and 879 transitions. [2020-12-23 09:46:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:10,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-12-23 09:46:10,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:10,043 INFO L225 Difference]: With dead ends: 526 [2020-12-23 09:46:10,043 INFO L226 Difference]: Without dead ends: 411 [2020-12-23 09:46:10,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:10,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-12-23 09:46:10,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 408. [2020-12-23 09:46:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-12-23 09:46:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 675 transitions. [2020-12-23 09:46:10,067 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 675 transitions. Word has length 118 [2020-12-23 09:46:10,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:10,067 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 675 transitions. [2020-12-23 09:46:10,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:10,068 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 675 transitions. [2020-12-23 09:46:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:46:10,070 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:10,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:10,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:46:10,070 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:10,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:10,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1919052267, now seen corresponding path program 1 times [2020-12-23 09:46:10,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:10,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059373594] [2020-12-23 09:46:10,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:10,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059373594] [2020-12-23 09:46:10,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:10,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:10,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376463112] [2020-12-23 09:46:10,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:10,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:10,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:10,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:10,197 INFO L87 Difference]: Start difference. First operand 408 states and 675 transitions. Second operand 3 states. [2020-12-23 09:46:10,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:10,249 INFO L93 Difference]: Finished difference Result 822 states and 1367 transitions. [2020-12-23 09:46:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:10,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:46:10,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:10,260 INFO L225 Difference]: With dead ends: 822 [2020-12-23 09:46:10,260 INFO L226 Difference]: Without dead ends: 606 [2020-12-23 09:46:10,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:10,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-12-23 09:46:10,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 602. [2020-12-23 09:46:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-12-23 09:46:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 997 transitions. [2020-12-23 09:46:10,317 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 997 transitions. Word has length 121 [2020-12-23 09:46:10,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:10,319 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 997 transitions. [2020-12-23 09:46:10,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 997 transitions. [2020-12-23 09:46:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:46:10,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:10,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:10,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:46:10,323 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:10,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:10,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1777448074, now seen corresponding path program 1 times [2020-12-23 09:46:10,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:10,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087678407] [2020-12-23 09:46:10,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:10,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087678407] [2020-12-23 09:46:10,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:10,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:10,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735172892] [2020-12-23 09:46:10,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:10,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:10,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:10,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:10,473 INFO L87 Difference]: Start difference. First operand 602 states and 997 transitions. Second operand 3 states. [2020-12-23 09:46:10,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:10,537 INFO L93 Difference]: Finished difference Result 1386 states and 2299 transitions. [2020-12-23 09:46:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:10,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 09:46:10,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:10,544 INFO L225 Difference]: With dead ends: 1386 [2020-12-23 09:46:10,544 INFO L226 Difference]: Without dead ends: 976 [2020-12-23 09:46:10,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:10,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-12-23 09:46:10,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 970. [2020-12-23 09:46:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-12-23 09:46:10,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1601 transitions. [2020-12-23 09:46:10,611 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1601 transitions. Word has length 124 [2020-12-23 09:46:10,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:10,612 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 1601 transitions. [2020-12-23 09:46:10,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1601 transitions. [2020-12-23 09:46:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:46:10,618 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:10,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:10,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:46:10,619 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:10,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:10,619 INFO L82 PathProgramCache]: Analyzing trace with hash 78545669, now seen corresponding path program 1 times [2020-12-23 09:46:10,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:10,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406449854] [2020-12-23 09:46:10,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:10,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406449854] [2020-12-23 09:46:10,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:10,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:10,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654809033] [2020-12-23 09:46:10,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:10,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:10,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:10,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:10,774 INFO L87 Difference]: Start difference. First operand 970 states and 1601 transitions. Second operand 3 states. [2020-12-23 09:46:10,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:10,841 INFO L93 Difference]: Finished difference Result 2454 states and 4043 transitions. [2020-12-23 09:46:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:10,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-23 09:46:10,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:10,853 INFO L225 Difference]: With dead ends: 2454 [2020-12-23 09:46:10,853 INFO L226 Difference]: Without dead ends: 1676 [2020-12-23 09:46:10,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2020-12-23 09:46:10,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1666. [2020-12-23 09:46:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1666 states. [2020-12-23 09:46:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2729 transitions. [2020-12-23 09:46:10,922 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2729 transitions. Word has length 127 [2020-12-23 09:46:10,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:10,923 INFO L481 AbstractCegarLoop]: Abstraction has 1666 states and 2729 transitions. [2020-12-23 09:46:10,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:10,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2729 transitions. [2020-12-23 09:46:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 09:46:10,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:10,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:10,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:46:10,926 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:10,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:10,928 INFO L82 PathProgramCache]: Analyzing trace with hash -579836998, now seen corresponding path program 1 times [2020-12-23 09:46:10,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:10,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404790506] [2020-12-23 09:46:10,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:11,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404790506] [2020-12-23 09:46:11,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:11,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:46:11,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606970226] [2020-12-23 09:46:11,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:46:11,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:11,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:46:11,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:46:11,139 INFO L87 Difference]: Start difference. First operand 1666 states and 2729 transitions. Second operand 6 states. [2020-12-23 09:46:11,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:11,744 INFO L93 Difference]: Finished difference Result 8554 states and 14173 transitions. [2020-12-23 09:46:11,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:46:11,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-12-23 09:46:11,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:11,790 INFO L225 Difference]: With dead ends: 8554 [2020-12-23 09:46:11,790 INFO L226 Difference]: Without dead ends: 7080 [2020-12-23 09:46:11,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:46:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7080 states. [2020-12-23 09:46:12,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7080 to 3039. [2020-12-23 09:46:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3039 states. [2020-12-23 09:46:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 3039 states and 4979 transitions. [2020-12-23 09:46:12,046 INFO L78 Accepts]: Start accepts. Automaton has 3039 states and 4979 transitions. Word has length 130 [2020-12-23 09:46:12,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:12,046 INFO L481 AbstractCegarLoop]: Abstraction has 3039 states and 4979 transitions. [2020-12-23 09:46:12,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:46:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 4979 transitions. [2020-12-23 09:46:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-23 09:46:12,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:12,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:12,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:46:12,053 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:12,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:12,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1405282905, now seen corresponding path program 1 times [2020-12-23 09:46:12,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:12,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320692330] [2020-12-23 09:46:12,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:12,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320692330] [2020-12-23 09:46:12,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:12,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:12,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850489117] [2020-12-23 09:46:12,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:12,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:12,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:12,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:12,328 INFO L87 Difference]: Start difference. First operand 3039 states and 4979 transitions. Second operand 4 states. [2020-12-23 09:46:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:12,584 INFO L93 Difference]: Finished difference Result 8943 states and 14761 transitions. [2020-12-23 09:46:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:12,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-12-23 09:46:12,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:12,619 INFO L225 Difference]: With dead ends: 8943 [2020-12-23 09:46:12,620 INFO L226 Difference]: Without dead ends: 6096 [2020-12-23 09:46:12,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:12,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6096 states. [2020-12-23 09:46:12,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6096 to 4509. [2020-12-23 09:46:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4509 states. [2020-12-23 09:46:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 7408 transitions. [2020-12-23 09:46:12,919 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 7408 transitions. Word has length 131 [2020-12-23 09:46:12,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:12,920 INFO L481 AbstractCegarLoop]: Abstraction has 4509 states and 7408 transitions. [2020-12-23 09:46:12,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:12,920 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 7408 transitions. [2020-12-23 09:46:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 09:46:12,925 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:12,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:12,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:46:12,926 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:12,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:12,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1311505199, now seen corresponding path program 1 times [2020-12-23 09:46:12,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:12,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516112802] [2020-12-23 09:46:12,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:13,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516112802] [2020-12-23 09:46:13,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:13,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:13,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723195022] [2020-12-23 09:46:13,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:13,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:13,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:13,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:13,048 INFO L87 Difference]: Start difference. First operand 4509 states and 7408 transitions. Second operand 4 states. [2020-12-23 09:46:13,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:13,424 INFO L93 Difference]: Finished difference Result 13196 states and 21768 transitions. [2020-12-23 09:46:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:13,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-12-23 09:46:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:13,492 INFO L225 Difference]: With dead ends: 13196 [2020-12-23 09:46:13,493 INFO L226 Difference]: Without dead ends: 8879 [2020-12-23 09:46:13,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8879 states. [2020-12-23 09:46:13,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8879 to 6670. [2020-12-23 09:46:13,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6670 states. [2020-12-23 09:46:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 10951 transitions. [2020-12-23 09:46:13,836 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 10951 transitions. Word has length 132 [2020-12-23 09:46:13,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:13,836 INFO L481 AbstractCegarLoop]: Abstraction has 6670 states and 10951 transitions. [2020-12-23 09:46:13,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:13,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 10951 transitions. [2020-12-23 09:46:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:46:13,842 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:13,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:13,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:46:13,843 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:13,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:13,844 INFO L82 PathProgramCache]: Analyzing trace with hash -547474472, now seen corresponding path program 1 times [2020-12-23 09:46:13,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:13,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986036120] [2020-12-23 09:46:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:13,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986036120] [2020-12-23 09:46:13,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:13,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:13,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85968414] [2020-12-23 09:46:13,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:13,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:13,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:13,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:13,980 INFO L87 Difference]: Start difference. First operand 6670 states and 10951 transitions. Second operand 3 states. [2020-12-23 09:46:14,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:14,291 INFO L93 Difference]: Finished difference Result 14829 states and 24485 transitions. [2020-12-23 09:46:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:14,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 09:46:14,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:14,319 INFO L225 Difference]: With dead ends: 14829 [2020-12-23 09:46:14,320 INFO L226 Difference]: Without dead ends: 10255 [2020-12-23 09:46:14,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:14,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10255 states. [2020-12-23 09:46:14,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10255 to 10253. [2020-12-23 09:46:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10253 states. [2020-12-23 09:46:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10253 states to 10253 states and 16819 transitions. [2020-12-23 09:46:14,808 INFO L78 Accepts]: Start accepts. Automaton has 10253 states and 16819 transitions. Word has length 133 [2020-12-23 09:46:14,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:14,808 INFO L481 AbstractCegarLoop]: Abstraction has 10253 states and 16819 transitions. [2020-12-23 09:46:14,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 10253 states and 16819 transitions. [2020-12-23 09:46:14,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:46:14,812 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:14,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:14,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:46:14,813 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:14,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:14,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1576389218, now seen corresponding path program 1 times [2020-12-23 09:46:14,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:14,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033065021] [2020-12-23 09:46:14,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:14,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033065021] [2020-12-23 09:46:14,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:14,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:14,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947748943] [2020-12-23 09:46:14,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:14,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:14,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:14,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:14,944 INFO L87 Difference]: Start difference. First operand 10253 states and 16819 transitions. Second operand 3 states. [2020-12-23 09:46:15,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:15,465 INFO L93 Difference]: Finished difference Result 22652 states and 37216 transitions. [2020-12-23 09:46:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:15,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 09:46:15,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:15,506 INFO L225 Difference]: With dead ends: 22652 [2020-12-23 09:46:15,507 INFO L226 Difference]: Without dead ends: 15630 [2020-12-23 09:46:15,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:15,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15630 states. [2020-12-23 09:46:16,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15630 to 15628. [2020-12-23 09:46:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15628 states. [2020-12-23 09:46:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15628 states to 15628 states and 25522 transitions. [2020-12-23 09:46:16,315 INFO L78 Accepts]: Start accepts. Automaton has 15628 states and 25522 transitions. Word has length 133 [2020-12-23 09:46:16,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:16,316 INFO L481 AbstractCegarLoop]: Abstraction has 15628 states and 25522 transitions. [2020-12-23 09:46:16,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 15628 states and 25522 transitions. [2020-12-23 09:46:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:46:16,318 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:16,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:16,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:46:16,319 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:16,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:16,319 INFO L82 PathProgramCache]: Analyzing trace with hash 721034008, now seen corresponding path program 1 times [2020-12-23 09:46:16,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:16,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658195827] [2020-12-23 09:46:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:16,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658195827] [2020-12-23 09:46:16,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:16,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:16,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626220974] [2020-12-23 09:46:16,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:16,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:16,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:16,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:16,423 INFO L87 Difference]: Start difference. First operand 15628 states and 25522 transitions. Second operand 3 states. [2020-12-23 09:46:17,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:17,140 INFO L93 Difference]: Finished difference Result 30486 states and 49905 transitions. [2020-12-23 09:46:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:17,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 09:46:17,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:17,202 INFO L225 Difference]: With dead ends: 30486 [2020-12-23 09:46:17,202 INFO L226 Difference]: Without dead ends: 21963 [2020-12-23 09:46:17,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:17,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21963 states. [2020-12-23 09:46:18,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21963 to 21961. [2020-12-23 09:46:18,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21961 states. [2020-12-23 09:46:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21961 states to 21961 states and 35721 transitions. [2020-12-23 09:46:18,316 INFO L78 Accepts]: Start accepts. Automaton has 21961 states and 35721 transitions. Word has length 133 [2020-12-23 09:46:18,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:18,316 INFO L481 AbstractCegarLoop]: Abstraction has 21961 states and 35721 transitions. [2020-12-23 09:46:18,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 21961 states and 35721 transitions. [2020-12-23 09:46:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:46:18,319 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:18,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:18,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:46:18,320 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:18,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:18,320 INFO L82 PathProgramCache]: Analyzing trace with hash 536413840, now seen corresponding path program 1 times [2020-12-23 09:46:18,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:18,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134788457] [2020-12-23 09:46:18,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:18,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134788457] [2020-12-23 09:46:18,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:18,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:18,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647140386] [2020-12-23 09:46:18,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:18,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:18,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:18,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:18,454 INFO L87 Difference]: Start difference. First operand 21961 states and 35721 transitions. Second operand 4 states. [2020-12-23 09:46:19,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:19,961 INFO L93 Difference]: Finished difference Result 70938 states and 115706 transitions. [2020-12-23 09:46:19,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:19,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-12-23 09:46:19,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:20,124 INFO L225 Difference]: With dead ends: 70938 [2020-12-23 09:46:20,125 INFO L226 Difference]: Without dead ends: 49197 [2020-12-23 09:46:20,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:20,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49197 states. [2020-12-23 09:46:21,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49197 to 35486. [2020-12-23 09:46:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35486 states. [2020-12-23 09:46:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35486 states to 35486 states and 57573 transitions. [2020-12-23 09:46:22,001 INFO L78 Accepts]: Start accepts. Automaton has 35486 states and 57573 transitions. Word has length 133 [2020-12-23 09:46:22,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:22,002 INFO L481 AbstractCegarLoop]: Abstraction has 35486 states and 57573 transitions. [2020-12-23 09:46:22,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 35486 states and 57573 transitions. [2020-12-23 09:46:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:46:22,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:22,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:22,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:46:22,005 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1673295070, now seen corresponding path program 1 times [2020-12-23 09:46:22,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:22,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025374940] [2020-12-23 09:46:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:22,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:22,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025374940] [2020-12-23 09:46:22,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:22,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:46:22,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142313820] [2020-12-23 09:46:22,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:46:22,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:22,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:46:22,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:22,122 INFO L87 Difference]: Start difference. First operand 35486 states and 57573 transitions. Second operand 3 states. [2020-12-23 09:46:23,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:23,636 INFO L93 Difference]: Finished difference Result 69604 states and 113196 transitions. [2020-12-23 09:46:23,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:46:23,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 09:46:23,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:23,764 INFO L225 Difference]: With dead ends: 69604 [2020-12-23 09:46:23,765 INFO L226 Difference]: Without dead ends: 49801 [2020-12-23 09:46:23,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:46:23,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49801 states. [2020-12-23 09:46:25,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49801 to 49799. [2020-12-23 09:46:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49799 states. [2020-12-23 09:46:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49799 states to 49799 states and 80392 transitions. [2020-12-23 09:46:25,803 INFO L78 Accepts]: Start accepts. Automaton has 49799 states and 80392 transitions. Word has length 133 [2020-12-23 09:46:25,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:25,804 INFO L481 AbstractCegarLoop]: Abstraction has 49799 states and 80392 transitions. [2020-12-23 09:46:25,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:46:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 49799 states and 80392 transitions. [2020-12-23 09:46:25,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-23 09:46:25,806 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:25,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:25,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:46:25,807 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:25,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:25,808 INFO L82 PathProgramCache]: Analyzing trace with hash -2138633752, now seen corresponding path program 1 times [2020-12-23 09:46:25,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:25,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456611085] [2020-12-23 09:46:25,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:25,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456611085] [2020-12-23 09:46:25,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:25,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:25,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518706915] [2020-12-23 09:46:25,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:25,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:25,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:25,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:25,938 INFO L87 Difference]: Start difference. First operand 49799 states and 80392 transitions. Second operand 4 states. [2020-12-23 09:46:28,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:28,335 INFO L93 Difference]: Finished difference Result 160333 states and 259541 transitions. [2020-12-23 09:46:28,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:28,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2020-12-23 09:46:28,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:28,588 INFO L225 Difference]: With dead ends: 160333 [2020-12-23 09:46:28,588 INFO L226 Difference]: Without dead ends: 110767 [2020-12-23 09:46:28,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110767 states. [2020-12-23 09:46:31,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110767 to 80058. [2020-12-23 09:46:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80058 states. [2020-12-23 09:46:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80058 states to 80058 states and 128840 transitions. [2020-12-23 09:46:31,738 INFO L78 Accepts]: Start accepts. Automaton has 80058 states and 128840 transitions. Word has length 134 [2020-12-23 09:46:31,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:31,739 INFO L481 AbstractCegarLoop]: Abstraction has 80058 states and 128840 transitions. [2020-12-23 09:46:31,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 80058 states and 128840 transitions. [2020-12-23 09:46:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-23 09:46:31,741 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:31,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:31,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:46:31,741 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:31,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:31,742 INFO L82 PathProgramCache]: Analyzing trace with hash -153851200, now seen corresponding path program 1 times [2020-12-23 09:46:31,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:31,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874411654] [2020-12-23 09:46:31,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:31,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:31,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874411654] [2020-12-23 09:46:31,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:31,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:46:31,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810548873] [2020-12-23 09:46:31,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:46:31,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:31,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:46:31,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:46:31,942 INFO L87 Difference]: Start difference. First operand 80058 states and 128840 transitions. Second operand 6 states. [2020-12-23 09:46:34,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:34,390 INFO L93 Difference]: Finished difference Result 159885 states and 257310 transitions. [2020-12-23 09:46:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:46:34,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2020-12-23 09:46:34,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:34,696 INFO L225 Difference]: With dead ends: 159885 [2020-12-23 09:46:34,696 INFO L226 Difference]: Without dead ends: 80060 [2020-12-23 09:46:34,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:46:34,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80060 states. [2020-12-23 09:46:37,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80060 to 80058. [2020-12-23 09:46:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80058 states. [2020-12-23 09:46:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80058 states to 80058 states and 128215 transitions. [2020-12-23 09:46:37,195 INFO L78 Accepts]: Start accepts. Automaton has 80058 states and 128215 transitions. Word has length 136 [2020-12-23 09:46:37,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:37,195 INFO L481 AbstractCegarLoop]: Abstraction has 80058 states and 128215 transitions. [2020-12-23 09:46:37,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:46:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 80058 states and 128215 transitions. [2020-12-23 09:46:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-23 09:46:37,197 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:37,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:37,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:46:37,198 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:37,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:37,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1698314093, now seen corresponding path program 1 times [2020-12-23 09:46:37,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:37,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972055683] [2020-12-23 09:46:37,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:37,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972055683] [2020-12-23 09:46:37,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:37,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:37,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790375114] [2020-12-23 09:46:37,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:37,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:37,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:37,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:37,460 INFO L87 Difference]: Start difference. First operand 80058 states and 128215 transitions. Second operand 4 states. [2020-12-23 09:46:41,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:41,265 INFO L93 Difference]: Finished difference Result 238287 states and 381573 transitions. [2020-12-23 09:46:41,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:41,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-12-23 09:46:41,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:41,542 INFO L225 Difference]: With dead ends: 238287 [2020-12-23 09:46:41,542 INFO L226 Difference]: Without dead ends: 158240 [2020-12-23 09:46:41,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:41,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158240 states. [2020-12-23 09:46:46,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158240 to 158238. [2020-12-23 09:46:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158238 states. [2020-12-23 09:46:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158238 states to 158238 states and 252200 transitions. [2020-12-23 09:46:47,043 INFO L78 Accepts]: Start accepts. Automaton has 158238 states and 252200 transitions. Word has length 139 [2020-12-23 09:46:47,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:47,044 INFO L481 AbstractCegarLoop]: Abstraction has 158238 states and 252200 transitions. [2020-12-23 09:46:47,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 158238 states and 252200 transitions. [2020-12-23 09:46:47,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-23 09:46:47,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:47,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:47,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:46:47,063 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:47,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1498816216, now seen corresponding path program 1 times [2020-12-23 09:46:47,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:47,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723049323] [2020-12-23 09:46:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:47,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723049323] [2020-12-23 09:46:47,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:47,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:47,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457713346] [2020-12-23 09:46:47,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:47,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:47,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:47,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:47,341 INFO L87 Difference]: Start difference. First operand 158238 states and 252200 transitions. Second operand 4 states. [2020-12-23 09:46:55,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:55,353 INFO L93 Difference]: Finished difference Result 470952 states and 750479 transitions. [2020-12-23 09:46:55,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:55,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-12-23 09:46:55,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:56,239 INFO L225 Difference]: With dead ends: 470952 [2020-12-23 09:46:56,239 INFO L226 Difference]: Without dead ends: 312726 [2020-12-23 09:46:56,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:46:56,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312726 states. [2020-12-23 09:47:05,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312726 to 312724. [2020-12-23 09:47:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312724 states. [2020-12-23 09:47:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312724 states to 312724 states and 495946 transitions. [2020-12-23 09:47:07,065 INFO L78 Accepts]: Start accepts. Automaton has 312724 states and 495946 transitions. Word has length 141 [2020-12-23 09:47:07,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:47:07,066 INFO L481 AbstractCegarLoop]: Abstraction has 312724 states and 495946 transitions. [2020-12-23 09:47:07,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:47:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 312724 states and 495946 transitions. [2020-12-23 09:47:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-23 09:47:07,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:47:07,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:47:07,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:47:07,069 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:47:07,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:47:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash -200929965, now seen corresponding path program 1 times [2020-12-23 09:47:07,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:47:07,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188023287] [2020-12-23 09:47:07,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:47:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:47:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:47:07,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188023287] [2020-12-23 09:47:07,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:47:07,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:47:07,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973395416] [2020-12-23 09:47:07,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:47:07,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:47:07,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:47:07,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:47:07,385 INFO L87 Difference]: Start difference. First operand 312724 states and 495946 transitions. Second operand 4 states. [2020-12-23 09:47:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:47:24,768 INFO L93 Difference]: Finished difference Result 930649 states and 1475599 transitions. [2020-12-23 09:47:24,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:47:24,769 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-12-23 09:47:24,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:47:26,477 INFO L225 Difference]: With dead ends: 930649 [2020-12-23 09:47:26,477 INFO L226 Difference]: Without dead ends: 617952 [2020-12-23 09:47:26,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:47:27,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617952 states. [2020-12-23 09:47:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617952 to 617950. [2020-12-23 09:47:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617950 states. [2020-12-23 09:47:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617950 states to 617950 states and 974995 transitions. [2020-12-23 09:47:54,367 INFO L78 Accepts]: Start accepts. Automaton has 617950 states and 974995 transitions. Word has length 143 [2020-12-23 09:47:54,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:47:54,368 INFO L481 AbstractCegarLoop]: Abstraction has 617950 states and 974995 transitions. [2020-12-23 09:47:54,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:47:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 617950 states and 974995 transitions. [2020-12-23 09:47:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 09:47:54,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:47:54,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:47:54,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:47:54,385 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:47:54,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:47:54,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1235528920, now seen corresponding path program 1 times [2020-12-23 09:47:54,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:47:54,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107522141] [2020-12-23 09:47:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:47:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:47:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:47:54,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107522141] [2020-12-23 09:47:54,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:47:54,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:47:54,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252014443] [2020-12-23 09:47:54,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:47:54,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:47:54,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:47:54,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:47:54,692 INFO L87 Difference]: Start difference. First operand 617950 states and 974995 transitions. Second operand 4 states. [2020-12-23 09:48:37,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:48:37,219 INFO L93 Difference]: Finished difference Result 1838642 states and 2900233 transitions. [2020-12-23 09:48:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:48:37,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2020-12-23 09:48:37,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:48:41,244 INFO L225 Difference]: With dead ends: 1838642 [2020-12-23 09:48:41,244 INFO L226 Difference]: Without dead ends: 1220828 [2020-12-23 09:48:42,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:48:42,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220828 states.