/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.4.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:45:32,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:45:32,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:45:32,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:45:32,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:45:32,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:45:32,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:45:32,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:45:32,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:45:32,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:45:32,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:45:32,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:45:32,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:45:32,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:45:32,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:45:32,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:45:32,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:45:32,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:45:32,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:45:32,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:45:32,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:45:32,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:45:32,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:45:32,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:45:32,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:45:32,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:45:32,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:45:32,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:45:32,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:45:32,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:45:32,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:45:32,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:45:32,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:45:32,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:45:32,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:45:32,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:45:32,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:45:32,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:45:32,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:45:32,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:45:32,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:45:32,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:45:32,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:45:32,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:45:32,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:45:32,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:45:32,692 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:45:32,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:45:32,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:45:32,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:45:32,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:45:32,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:45:32,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:45:32,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:45:32,695 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:45:32,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:45:32,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:45:32,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:45:32,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:45:32,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:45:32,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:45:32,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:45:32,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:45:32,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:45:32,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:45:32,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:45:32,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:45:32,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:45:33,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:45:33,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:45:33,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:45:33,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:45:33,119 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:45:33,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c [2020-12-23 09:45:33,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0832e2f46/2b907c0c933f4a72917fe5a0dc6a6cac/FLAGe4c948993 [2020-12-23 09:45:33,899 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:45:33,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c [2020-12-23 09:45:33,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0832e2f46/2b907c0c933f4a72917fe5a0dc6a6cac/FLAGe4c948993 [2020-12-23 09:45:34,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0832e2f46/2b907c0c933f4a72917fe5a0dc6a6cac [2020-12-23 09:45:34,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:45:34,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:45:34,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:45:34,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:45:34,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:45:34,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:34,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a431d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34, skipping insertion in model container [2020-12-23 09:45:34,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:34,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:45:34,274 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 09:45:34,618 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.4.4.ufo.UNBOUNDED.pals.c[28368,28381] [2020-12-23 09:45:34,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:45:34,634 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 09:45:34,794 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.4.4.ufo.UNBOUNDED.pals.c[28368,28381] [2020-12-23 09:45:34,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:45:34,821 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:45:34,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34 WrapperNode [2020-12-23 09:45:34,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:45:34,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:45:34,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:45:34,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:45:34,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:34,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:34,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:45:34,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:45:34,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:45:34,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:45:34,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:34,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:34,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:34,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:34,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:35,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:35,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (1/1) ... [2020-12-23 09:45:35,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:45:35,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:45:35,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:45:35,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:45:35,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (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 09:45:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:45:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:45:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:45:35,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:45:36,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:45:36,664 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2020-12-23 09:45:36,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:45:36 BoogieIcfgContainer [2020-12-23 09:45:36,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:45:36,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:45:36,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:45:36,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:45:36,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:45:34" (1/3) ... [2020-12-23 09:45:36,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b43c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:45:36, skipping insertion in model container [2020-12-23 09:45:36,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:45:34" (2/3) ... [2020-12-23 09:45:36,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b43c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:45:36, skipping insertion in model container [2020-12-23 09:45:36,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:45:36" (3/3) ... [2020-12-23 09:45:36,683 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.4.ufo.UNBOUNDED.pals.c [2020-12-23 09:45:36,691 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:45:36,697 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 09:45:36,724 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 09:45:36,777 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:45:36,777 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:45:36,777 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:45:36,778 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:45:36,778 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:45:36,778 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:45:36,778 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:45:36,779 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:45:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-12-23 09:45:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:45:36,818 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:36,820 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 09:45:36,820 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:36,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:36,828 INFO L82 PathProgramCache]: Analyzing trace with hash 883240596, now seen corresponding path program 1 times [2020-12-23 09:45:36,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:36,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957050123] [2020-12-23 09:45:36,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:37,267 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 09:45:37,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957050123] [2020-12-23 09:45:37,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:37,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:45:37,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915916836] [2020-12-23 09:45:37,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:45:37,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:37,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:45:37,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:45:37,294 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 2 states. [2020-12-23 09:45:37,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:37,342 INFO L93 Difference]: Finished difference Result 427 states and 757 transitions. [2020-12-23 09:45:37,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:45:37,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 77 [2020-12-23 09:45:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:37,362 INFO L225 Difference]: With dead ends: 427 [2020-12-23 09:45:37,362 INFO L226 Difference]: Without dead ends: 307 [2020-12-23 09:45:37,369 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 09:45:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-12-23 09:45:37,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2020-12-23 09:45:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-12-23 09:45:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 550 transitions. [2020-12-23 09:45:37,479 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 550 transitions. Word has length 77 [2020-12-23 09:45:37,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:37,480 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 550 transitions. [2020-12-23 09:45:37,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:45:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 550 transitions. [2020-12-23 09:45:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:45:37,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:37,486 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 09:45:37,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:45:37,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:37,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:37,487 INFO L82 PathProgramCache]: Analyzing trace with hash 749227090, now seen corresponding path program 1 times [2020-12-23 09:45:37,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:37,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772789927] [2020-12-23 09:45:37,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:37,736 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 09:45:37,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772789927] [2020-12-23 09:45:37,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:37,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:45:37,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722960604] [2020-12-23 09:45:37,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:45:37,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:37,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:45:37,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:45:37,743 INFO L87 Difference]: Start difference. First operand 307 states and 550 transitions. Second operand 5 states. [2020-12-23 09:45:37,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:37,888 INFO L93 Difference]: Finished difference Result 426 states and 750 transitions. [2020-12-23 09:45:37,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:45:37,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 09:45:37,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:37,893 INFO L225 Difference]: With dead ends: 426 [2020-12-23 09:45:37,893 INFO L226 Difference]: Without dead ends: 307 [2020-12-23 09:45:37,895 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 09:45:37,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-12-23 09:45:37,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2020-12-23 09:45:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-12-23 09:45:37,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 508 transitions. [2020-12-23 09:45:37,908 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 508 transitions. Word has length 77 [2020-12-23 09:45:37,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:37,908 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 508 transitions. [2020-12-23 09:45:37,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:45:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 508 transitions. [2020-12-23 09:45:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:45:37,913 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:37,914 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 09:45:37,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:45:37,914 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:37,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:37,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1045938854, now seen corresponding path program 1 times [2020-12-23 09:45:37,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:37,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025808535] [2020-12-23 09:45:37,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:38,177 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 09:45:38,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025808535] [2020-12-23 09:45:38,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:38,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:45:38,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367671831] [2020-12-23 09:45:38,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:45:38,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:38,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:45:38,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:38,187 INFO L87 Difference]: Start difference. First operand 307 states and 508 transitions. Second operand 3 states. [2020-12-23 09:45:38,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:38,269 INFO L93 Difference]: Finished difference Result 526 states and 879 transitions. [2020-12-23 09:45:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:45:38,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-12-23 09:45:38,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:38,283 INFO L225 Difference]: With dead ends: 526 [2020-12-23 09:45:38,283 INFO L226 Difference]: Without dead ends: 411 [2020-12-23 09:45:38,285 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 09:45:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-12-23 09:45:38,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 408. [2020-12-23 09:45:38,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-12-23 09:45:38,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 675 transitions. [2020-12-23 09:45:38,321 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 675 transitions. Word has length 118 [2020-12-23 09:45:38,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:38,321 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 675 transitions. [2020-12-23 09:45:38,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:45:38,322 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 675 transitions. [2020-12-23 09:45:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:45:38,332 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:38,333 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 09:45:38,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:45:38,333 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:38,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1919052267, now seen corresponding path program 1 times [2020-12-23 09:45:38,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:38,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734501299] [2020-12-23 09:45:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:38,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:45:38,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734501299] [2020-12-23 09:45:38,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:38,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:45:38,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065507426] [2020-12-23 09:45:38,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:45:38,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:38,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:45:38,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:38,522 INFO L87 Difference]: Start difference. First operand 408 states and 675 transitions. Second operand 3 states. [2020-12-23 09:45:38,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:38,563 INFO L93 Difference]: Finished difference Result 822 states and 1367 transitions. [2020-12-23 09:45:38,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:45:38,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:45:38,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:38,568 INFO L225 Difference]: With dead ends: 822 [2020-12-23 09:45:38,569 INFO L226 Difference]: Without dead ends: 606 [2020-12-23 09:45:38,570 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 09:45:38,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-12-23 09:45:38,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 602. [2020-12-23 09:45:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-12-23 09:45:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 997 transitions. [2020-12-23 09:45:38,592 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 997 transitions. Word has length 121 [2020-12-23 09:45:38,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:38,592 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 997 transitions. [2020-12-23 09:45:38,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:45:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 997 transitions. [2020-12-23 09:45:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:45:38,595 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:38,595 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 09:45:38,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:45:38,596 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:38,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:38,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1777448074, now seen corresponding path program 1 times [2020-12-23 09:45:38,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:38,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843755617] [2020-12-23 09:45:38,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:38,715 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 09:45:38,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843755617] [2020-12-23 09:45:38,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:38,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:45:38,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163025939] [2020-12-23 09:45:38,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:45:38,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:38,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:45:38,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:38,718 INFO L87 Difference]: Start difference. First operand 602 states and 997 transitions. Second operand 3 states. [2020-12-23 09:45:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:38,785 INFO L93 Difference]: Finished difference Result 1386 states and 2299 transitions. [2020-12-23 09:45:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:45:38,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 09:45:38,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:38,791 INFO L225 Difference]: With dead ends: 1386 [2020-12-23 09:45:38,791 INFO L226 Difference]: Without dead ends: 976 [2020-12-23 09:45:38,792 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 09:45:38,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-12-23 09:45:38,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 970. [2020-12-23 09:45:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-12-23 09:45:38,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1601 transitions. [2020-12-23 09:45:38,826 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1601 transitions. Word has length 124 [2020-12-23 09:45:38,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:38,826 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 1601 transitions. [2020-12-23 09:45:38,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:45:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1601 transitions. [2020-12-23 09:45:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:45:38,829 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:38,829 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 09:45:38,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:45:38,830 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:38,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:38,831 INFO L82 PathProgramCache]: Analyzing trace with hash 78545669, now seen corresponding path program 1 times [2020-12-23 09:45:38,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:38,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631658719] [2020-12-23 09:45:38,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:38,954 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 09:45:38,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631658719] [2020-12-23 09:45:38,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:38,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:45:38,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219863416] [2020-12-23 09:45:38,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:45:38,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:38,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:45:38,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:38,957 INFO L87 Difference]: Start difference. First operand 970 states and 1601 transitions. Second operand 3 states. [2020-12-23 09:45:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:39,013 INFO L93 Difference]: Finished difference Result 2454 states and 4043 transitions. [2020-12-23 09:45:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:45:39,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-23 09:45:39,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:39,023 INFO L225 Difference]: With dead ends: 2454 [2020-12-23 09:45:39,024 INFO L226 Difference]: Without dead ends: 1676 [2020-12-23 09:45:39,026 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 09:45:39,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2020-12-23 09:45:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1666. [2020-12-23 09:45:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1666 states. [2020-12-23 09:45:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2729 transitions. [2020-12-23 09:45:39,075 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2729 transitions. Word has length 127 [2020-12-23 09:45:39,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:39,075 INFO L481 AbstractCegarLoop]: Abstraction has 1666 states and 2729 transitions. [2020-12-23 09:45:39,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:45:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2729 transitions. [2020-12-23 09:45:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 09:45:39,078 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:39,079 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 09:45:39,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:45:39,079 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:39,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:39,080 INFO L82 PathProgramCache]: Analyzing trace with hash -579836998, now seen corresponding path program 1 times [2020-12-23 09:45:39,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:39,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152742162] [2020-12-23 09:45:39,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:39,234 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 09:45:39,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152742162] [2020-12-23 09:45:39,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:39,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:45:39,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238453642] [2020-12-23 09:45:39,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:45:39,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:39,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:45:39,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:45:39,237 INFO L87 Difference]: Start difference. First operand 1666 states and 2729 transitions. Second operand 6 states. [2020-12-23 09:45:39,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:39,694 INFO L93 Difference]: Finished difference Result 8554 states and 14173 transitions. [2020-12-23 09:45:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:45:39,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-12-23 09:45:39,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:39,736 INFO L225 Difference]: With dead ends: 8554 [2020-12-23 09:45:39,737 INFO L226 Difference]: Without dead ends: 7080 [2020-12-23 09:45:39,744 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 09:45:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7080 states. [2020-12-23 09:45:39,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7080 to 3039. [2020-12-23 09:45:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3039 states. [2020-12-23 09:45:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 3039 states and 4979 transitions. [2020-12-23 09:45:39,959 INFO L78 Accepts]: Start accepts. Automaton has 3039 states and 4979 transitions. Word has length 130 [2020-12-23 09:45:39,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:39,960 INFO L481 AbstractCegarLoop]: Abstraction has 3039 states and 4979 transitions. [2020-12-23 09:45:39,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:45:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 4979 transitions. [2020-12-23 09:45:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-23 09:45:39,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:39,964 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 09:45:39,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:45:39,965 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:39,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:39,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1405282905, now seen corresponding path program 1 times [2020-12-23 09:45:39,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:39,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510149429] [2020-12-23 09:45:39,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:40,225 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 09:45:40,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510149429] [2020-12-23 09:45:40,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:40,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:45:40,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275166260] [2020-12-23 09:45:40,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:45:40,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:40,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:45:40,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:45:40,229 INFO L87 Difference]: Start difference. First operand 3039 states and 4979 transitions. Second operand 4 states. [2020-12-23 09:45:40,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:40,553 INFO L93 Difference]: Finished difference Result 8943 states and 14761 transitions. [2020-12-23 09:45:40,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:45:40,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-12-23 09:45:40,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:40,596 INFO L225 Difference]: With dead ends: 8943 [2020-12-23 09:45:40,597 INFO L226 Difference]: Without dead ends: 6096 [2020-12-23 09:45:40,604 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 09:45:40,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6096 states. [2020-12-23 09:45:40,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6096 to 4509. [2020-12-23 09:45:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4509 states. [2020-12-23 09:45:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 7408 transitions. [2020-12-23 09:45:40,942 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 7408 transitions. Word has length 131 [2020-12-23 09:45:40,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:40,943 INFO L481 AbstractCegarLoop]: Abstraction has 4509 states and 7408 transitions. [2020-12-23 09:45:40,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:45:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 7408 transitions. [2020-12-23 09:45:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 09:45:40,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:40,948 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 09:45:40,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:45:40,948 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:40,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:40,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1311505199, now seen corresponding path program 1 times [2020-12-23 09:45:40,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:40,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932448528] [2020-12-23 09:45:40,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:41,090 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 09:45:41,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932448528] [2020-12-23 09:45:41,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:41,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:45:41,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934337123] [2020-12-23 09:45:41,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:45:41,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:41,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:45:41,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:45:41,100 INFO L87 Difference]: Start difference. First operand 4509 states and 7408 transitions. Second operand 4 states. [2020-12-23 09:45:41,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:41,410 INFO L93 Difference]: Finished difference Result 13196 states and 21768 transitions. [2020-12-23 09:45:41,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:45:41,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-12-23 09:45:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:41,471 INFO L225 Difference]: With dead ends: 13196 [2020-12-23 09:45:41,471 INFO L226 Difference]: Without dead ends: 8879 [2020-12-23 09:45:41,483 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 09:45:41,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8879 states. [2020-12-23 09:45:41,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8879 to 6670. [2020-12-23 09:45:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6670 states. [2020-12-23 09:45:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 10951 transitions. [2020-12-23 09:45:41,823 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 10951 transitions. Word has length 132 [2020-12-23 09:45:41,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:41,823 INFO L481 AbstractCegarLoop]: Abstraction has 6670 states and 10951 transitions. [2020-12-23 09:45:41,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:45:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 10951 transitions. [2020-12-23 09:45:41,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:45:41,829 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:41,829 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 09:45:41,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:45:41,830 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:41,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:41,830 INFO L82 PathProgramCache]: Analyzing trace with hash -547474472, now seen corresponding path program 1 times [2020-12-23 09:45:41,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:41,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687254705] [2020-12-23 09:45:41,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:41,916 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 09:45:41,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687254705] [2020-12-23 09:45:41,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:41,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:45:41,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175949714] [2020-12-23 09:45:41,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:45:41,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:41,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:45:41,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:41,919 INFO L87 Difference]: Start difference. First operand 6670 states and 10951 transitions. Second operand 3 states. [2020-12-23 09:45:42,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:42,269 INFO L93 Difference]: Finished difference Result 14829 states and 24485 transitions. [2020-12-23 09:45:42,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:45:42,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 09:45:42,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:42,293 INFO L225 Difference]: With dead ends: 14829 [2020-12-23 09:45:42,294 INFO L226 Difference]: Without dead ends: 10255 [2020-12-23 09:45:42,301 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 09:45:42,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10255 states. [2020-12-23 09:45:42,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10255 to 10253. [2020-12-23 09:45:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10253 states. [2020-12-23 09:45:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10253 states to 10253 states and 16819 transitions. [2020-12-23 09:45:42,672 INFO L78 Accepts]: Start accepts. Automaton has 10253 states and 16819 transitions. Word has length 133 [2020-12-23 09:45:42,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:42,673 INFO L481 AbstractCegarLoop]: Abstraction has 10253 states and 16819 transitions. [2020-12-23 09:45:42,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:45:42,673 INFO L276 IsEmpty]: Start isEmpty. Operand 10253 states and 16819 transitions. [2020-12-23 09:45:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:45:42,676 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:42,676 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 09:45:42,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:45:42,676 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:42,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:42,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1576389218, now seen corresponding path program 1 times [2020-12-23 09:45:42,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:42,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515369456] [2020-12-23 09:45:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:42,840 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 09:45:42,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515369456] [2020-12-23 09:45:42,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:42,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:45:42,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236913290] [2020-12-23 09:45:42,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:45:42,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:42,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:45:42,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:42,844 INFO L87 Difference]: Start difference. First operand 10253 states and 16819 transitions. Second operand 3 states. [2020-12-23 09:45:43,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:43,289 INFO L93 Difference]: Finished difference Result 22652 states and 37216 transitions. [2020-12-23 09:45:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:45:43,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 09:45:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:43,329 INFO L225 Difference]: With dead ends: 22652 [2020-12-23 09:45:43,329 INFO L226 Difference]: Without dead ends: 15630 [2020-12-23 09:45:43,344 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 09:45:43,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15630 states. [2020-12-23 09:45:43,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15630 to 15628. [2020-12-23 09:45:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15628 states. [2020-12-23 09:45:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15628 states to 15628 states and 25522 transitions. [2020-12-23 09:45:43,987 INFO L78 Accepts]: Start accepts. Automaton has 15628 states and 25522 transitions. Word has length 133 [2020-12-23 09:45:43,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:43,987 INFO L481 AbstractCegarLoop]: Abstraction has 15628 states and 25522 transitions. [2020-12-23 09:45:43,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:45:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 15628 states and 25522 transitions. [2020-12-23 09:45:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:45:43,990 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:43,990 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 09:45:43,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:45:43,990 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:43,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:43,991 INFO L82 PathProgramCache]: Analyzing trace with hash 721034008, now seen corresponding path program 1 times [2020-12-23 09:45:43,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:43,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373446717] [2020-12-23 09:45:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:44,102 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 09:45:44,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373446717] [2020-12-23 09:45:44,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:44,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:45:44,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239844714] [2020-12-23 09:45:44,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:45:44,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:44,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:45:44,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:44,107 INFO L87 Difference]: Start difference. First operand 15628 states and 25522 transitions. Second operand 3 states. [2020-12-23 09:45:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:44,705 INFO L93 Difference]: Finished difference Result 30486 states and 49905 transitions. [2020-12-23 09:45:44,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:45:44,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 09:45:44,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:44,755 INFO L225 Difference]: With dead ends: 30486 [2020-12-23 09:45:44,755 INFO L226 Difference]: Without dead ends: 21963 [2020-12-23 09:45:44,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:44,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21963 states. [2020-12-23 09:45:45,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21963 to 21961. [2020-12-23 09:45:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21961 states. [2020-12-23 09:45:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21961 states to 21961 states and 35721 transitions. [2020-12-23 09:45:45,611 INFO L78 Accepts]: Start accepts. Automaton has 21961 states and 35721 transitions. Word has length 133 [2020-12-23 09:45:45,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:45,611 INFO L481 AbstractCegarLoop]: Abstraction has 21961 states and 35721 transitions. [2020-12-23 09:45:45,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:45:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 21961 states and 35721 transitions. [2020-12-23 09:45:45,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:45:45,613 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:45,614 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 09:45:45,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:45:45,614 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:45,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:45,614 INFO L82 PathProgramCache]: Analyzing trace with hash 536413840, now seen corresponding path program 1 times [2020-12-23 09:45:45,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:45,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108500748] [2020-12-23 09:45:45,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:45,726 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 09:45:45,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108500748] [2020-12-23 09:45:45,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:45,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:45:45,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210845453] [2020-12-23 09:45:45,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:45:45,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:45,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:45:45,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:45:45,729 INFO L87 Difference]: Start difference. First operand 21961 states and 35721 transitions. Second operand 4 states. [2020-12-23 09:45:47,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:47,274 INFO L93 Difference]: Finished difference Result 70938 states and 115706 transitions. [2020-12-23 09:45:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:45:47,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-12-23 09:45:47,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:47,408 INFO L225 Difference]: With dead ends: 70938 [2020-12-23 09:45:47,408 INFO L226 Difference]: Without dead ends: 49197 [2020-12-23 09:45:47,440 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 09:45:47,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49197 states. [2020-12-23 09:45:48,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49197 to 35486. [2020-12-23 09:45:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35486 states. [2020-12-23 09:45:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35486 states to 35486 states and 57573 transitions. [2020-12-23 09:45:48,958 INFO L78 Accepts]: Start accepts. Automaton has 35486 states and 57573 transitions. Word has length 133 [2020-12-23 09:45:48,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:48,959 INFO L481 AbstractCegarLoop]: Abstraction has 35486 states and 57573 transitions. [2020-12-23 09:45:48,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:45:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 35486 states and 57573 transitions. [2020-12-23 09:45:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:45:48,962 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:48,963 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 09:45:48,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:45:48,964 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:48,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:48,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1673295070, now seen corresponding path program 1 times [2020-12-23 09:45:48,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:48,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217618540] [2020-12-23 09:45:48,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:49,075 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 09:45:49,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217618540] [2020-12-23 09:45:49,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:49,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:45:49,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066696663] [2020-12-23 09:45:49,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:45:49,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:49,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:45:49,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:45:49,077 INFO L87 Difference]: Start difference. First operand 35486 states and 57573 transitions. Second operand 3 states. [2020-12-23 09:45:50,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:50,441 INFO L93 Difference]: Finished difference Result 69604 states and 113196 transitions. [2020-12-23 09:45:50,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:45:50,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 09:45:50,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:50,557 INFO L225 Difference]: With dead ends: 69604 [2020-12-23 09:45:50,557 INFO L226 Difference]: Without dead ends: 49801 [2020-12-23 09:45:50,582 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 09:45:50,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49801 states. [2020-12-23 09:45:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49801 to 49799. [2020-12-23 09:45:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49799 states. [2020-12-23 09:45:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49799 states to 49799 states and 80392 transitions. [2020-12-23 09:45:52,334 INFO L78 Accepts]: Start accepts. Automaton has 49799 states and 80392 transitions. Word has length 133 [2020-12-23 09:45:52,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:52,335 INFO L481 AbstractCegarLoop]: Abstraction has 49799 states and 80392 transitions. [2020-12-23 09:45:52,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:45:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49799 states and 80392 transitions. [2020-12-23 09:45:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-23 09:45:52,337 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:52,337 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 09:45:52,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:45:52,337 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:52,338 INFO L82 PathProgramCache]: Analyzing trace with hash -2138633752, now seen corresponding path program 1 times [2020-12-23 09:45:52,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:52,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878922808] [2020-12-23 09:45:52,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:52,442 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 09:45:52,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878922808] [2020-12-23 09:45:52,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:52,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:45:52,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020967487] [2020-12-23 09:45:52,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:45:52,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:52,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:45:52,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:45:52,445 INFO L87 Difference]: Start difference. First operand 49799 states and 80392 transitions. Second operand 4 states. [2020-12-23 09:45:54,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:54,827 INFO L93 Difference]: Finished difference Result 160333 states and 259541 transitions. [2020-12-23 09:45:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:45:54,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2020-12-23 09:45:54,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:55,237 INFO L225 Difference]: With dead ends: 160333 [2020-12-23 09:45:55,237 INFO L226 Difference]: Without dead ends: 110767 [2020-12-23 09:45:55,366 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 09:45:55,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110767 states. [2020-12-23 09:45:57,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110767 to 80058. [2020-12-23 09:45:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80058 states. [2020-12-23 09:45:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80058 states to 80058 states and 128840 transitions. [2020-12-23 09:45:57,985 INFO L78 Accepts]: Start accepts. Automaton has 80058 states and 128840 transitions. Word has length 134 [2020-12-23 09:45:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:57,985 INFO L481 AbstractCegarLoop]: Abstraction has 80058 states and 128840 transitions. [2020-12-23 09:45:57,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:45:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 80058 states and 128840 transitions. [2020-12-23 09:45:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-23 09:45:57,987 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:57,987 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 09:45:57,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:45:57,988 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:57,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:57,988 INFO L82 PathProgramCache]: Analyzing trace with hash -153851200, now seen corresponding path program 1 times [2020-12-23 09:45:57,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:57,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413974615] [2020-12-23 09:45:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:58,201 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 09:45:58,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413974615] [2020-12-23 09:45:58,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:58,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:45:58,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488998042] [2020-12-23 09:45:58,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:45:58,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:58,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:45:58,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:45:58,208 INFO L87 Difference]: Start difference. First operand 80058 states and 128840 transitions. Second operand 6 states. [2020-12-23 09:46:00,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:00,594 INFO L93 Difference]: Finished difference Result 159885 states and 257310 transitions. [2020-12-23 09:46:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:46:00,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2020-12-23 09:46:00,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:00,806 INFO L225 Difference]: With dead ends: 159885 [2020-12-23 09:46:00,806 INFO L226 Difference]: Without dead ends: 80060 [2020-12-23 09:46:00,858 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 09:46:00,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80060 states. [2020-12-23 09:46:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80060 to 80058. [2020-12-23 09:46:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80058 states. [2020-12-23 09:46:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80058 states to 80058 states and 128215 transitions. [2020-12-23 09:46:03,323 INFO L78 Accepts]: Start accepts. Automaton has 80058 states and 128215 transitions. Word has length 136 [2020-12-23 09:46:03,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:03,324 INFO L481 AbstractCegarLoop]: Abstraction has 80058 states and 128215 transitions. [2020-12-23 09:46:03,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:46:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 80058 states and 128215 transitions. [2020-12-23 09:46:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-23 09:46:03,326 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:03,326 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 09:46:03,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:46:03,327 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:03,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:03,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1698314093, now seen corresponding path program 1 times [2020-12-23 09:46:03,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:03,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873692810] [2020-12-23 09:46:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:46:03,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873692810] [2020-12-23 09:46:03,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:03,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:03,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73451745] [2020-12-23 09:46:03,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:03,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:03,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:03,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:03,548 INFO L87 Difference]: Start difference. First operand 80058 states and 128215 transitions. Second operand 4 states. [2020-12-23 09:46:07,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:07,297 INFO L93 Difference]: Finished difference Result 238287 states and 381573 transitions. [2020-12-23 09:46:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:07,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-12-23 09:46:07,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:07,718 INFO L225 Difference]: With dead ends: 238287 [2020-12-23 09:46:07,718 INFO L226 Difference]: Without dead ends: 158240 [2020-12-23 09:46:07,779 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 09:46:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158240 states. [2020-12-23 09:46:12,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158240 to 158238. [2020-12-23 09:46:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158238 states. [2020-12-23 09:46:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158238 states to 158238 states and 252200 transitions. [2020-12-23 09:46:12,734 INFO L78 Accepts]: Start accepts. Automaton has 158238 states and 252200 transitions. Word has length 139 [2020-12-23 09:46:12,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:12,734 INFO L481 AbstractCegarLoop]: Abstraction has 158238 states and 252200 transitions. [2020-12-23 09:46:12,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 158238 states and 252200 transitions. [2020-12-23 09:46:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-23 09:46:12,737 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:12,737 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 09:46:12,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:46:12,737 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:12,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:12,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1498816216, now seen corresponding path program 1 times [2020-12-23 09:46:12,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:12,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640756052] [2020-12-23 09:46:12,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:13,010 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 09:46:13,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640756052] [2020-12-23 09:46:13,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:13,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:13,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127638666] [2020-12-23 09:46:13,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:13,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:13,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:13,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:13,014 INFO L87 Difference]: Start difference. First operand 158238 states and 252200 transitions. Second operand 4 states. [2020-12-23 09:46:20,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:20,447 INFO L93 Difference]: Finished difference Result 470952 states and 750479 transitions. [2020-12-23 09:46:20,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:20,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-12-23 09:46:20,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:21,226 INFO L225 Difference]: With dead ends: 470952 [2020-12-23 09:46:21,226 INFO L226 Difference]: Without dead ends: 312726 [2020-12-23 09:46:21,331 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 09:46:21,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312726 states. [2020-12-23 09:46:30,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312726 to 312724. [2020-12-23 09:46:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312724 states. [2020-12-23 09:46:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312724 states to 312724 states and 495946 transitions. [2020-12-23 09:46:31,259 INFO L78 Accepts]: Start accepts. Automaton has 312724 states and 495946 transitions. Word has length 141 [2020-12-23 09:46:31,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:31,259 INFO L481 AbstractCegarLoop]: Abstraction has 312724 states and 495946 transitions. [2020-12-23 09:46:31,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:46:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 312724 states and 495946 transitions. [2020-12-23 09:46:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-23 09:46:31,262 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:31,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:31,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:46:31,263 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:31,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:31,263 INFO L82 PathProgramCache]: Analyzing trace with hash -200929965, now seen corresponding path program 1 times [2020-12-23 09:46:31,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:31,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030269543] [2020-12-23 09:46:31,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:31,474 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 09:46:31,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030269543] [2020-12-23 09:46:31,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:31,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:31,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865263723] [2020-12-23 09:46:31,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:31,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:31,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:31,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:31,476 INFO L87 Difference]: Start difference. First operand 312724 states and 495946 transitions. Second operand 4 states. [2020-12-23 09:46:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:47,890 INFO L93 Difference]: Finished difference Result 930649 states and 1475599 transitions. [2020-12-23 09:46:47,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:47,890 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-12-23 09:46:47,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:49,229 INFO L225 Difference]: With dead ends: 930649 [2020-12-23 09:46:49,229 INFO L226 Difference]: Without dead ends: 617952 [2020-12-23 09:46:49,562 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 09:46:50,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617952 states. [2020-12-23 09:47:12,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617952 to 617950. [2020-12-23 09:47:12,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617950 states. [2020-12-23 09:47:14,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617950 states to 617950 states and 974995 transitions. [2020-12-23 09:47:14,946 INFO L78 Accepts]: Start accepts. Automaton has 617950 states and 974995 transitions. Word has length 143 [2020-12-23 09:47:14,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:47:14,948 INFO L481 AbstractCegarLoop]: Abstraction has 617950 states and 974995 transitions. [2020-12-23 09:47:14,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:47:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 617950 states and 974995 transitions. [2020-12-23 09:47:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 09:47:14,971 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:47:14,971 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 09:47:14,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:47:14,972 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:47:14,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:47:14,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1235528920, now seen corresponding path program 1 times [2020-12-23 09:47:14,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:47:14,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370731910] [2020-12-23 09:47:14,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:47:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:47:15,243 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 09:47:15,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370731910] [2020-12-23 09:47:15,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:47:15,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:47:15,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600149727] [2020-12-23 09:47:15,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:47:15,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:47:15,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:47:15,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:47:15,247 INFO L87 Difference]: Start difference. First operand 617950 states and 974995 transitions. Second operand 4 states. [2020-12-23 09:47:56,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:47:56,009 INFO L93 Difference]: Finished difference Result 1838642 states and 2900233 transitions. [2020-12-23 09:47:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:47:56,010 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2020-12-23 09:47:56,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:47:59,234 INFO L225 Difference]: With dead ends: 1838642 [2020-12-23 09:47:59,234 INFO L226 Difference]: Without dead ends: 1220828 [2020-12-23 09:48:00,936 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 09:48:01,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220828 states.