/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.4.2.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:43:42,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:43:42,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:43:42,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:43:42,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:43:42,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:43:42,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:43:42,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:43:42,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:43:42,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:43:42,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:43:42,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:43:42,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:43:42,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:43:42,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:43:42,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:43:42,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:43:42,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:43:42,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:43:42,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:43:42,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:43:42,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:43:42,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:43:42,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:43:42,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:43:42,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:43:42,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:43:42,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:43:42,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:43:42,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:43:42,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:43:42,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:43:42,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:43:42,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:43:42,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:43:42,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:43:42,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:43:42,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:43:42,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:43:42,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:43:42,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:43:42,364 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 09:43:42,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:43:42,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:43:42,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:43:42,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:43:42,394 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:43:42,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:43:42,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:43:42,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:43:42,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:43:42,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:43:42,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:43:42,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:43:42,396 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:43:42,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:43:42,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:43:42,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:43:42,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:43:42,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:43:42,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:43:42,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:43:42,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:43:42,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:43:42,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:43:42,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:43:42,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:43:42,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:43:42,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:43:42,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:43:42,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:43:42,844 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:43:42,844 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:43:42,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c [2020-12-23 09:43:42,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2659e3944/2124b7b87ca441b68f9d5ec088e72b6e/FLAG426496ab1 [2020-12-23 09:43:43,718 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:43:43,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c [2020-12-23 09:43:43,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2659e3944/2124b7b87ca441b68f9d5ec088e72b6e/FLAG426496ab1 [2020-12-23 09:43:44,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2659e3944/2124b7b87ca441b68f9d5ec088e72b6e [2020-12-23 09:43:44,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:43:44,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:43:44,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:43:44,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:43:44,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:43:44,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a094add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44, skipping insertion in model container [2020-12-23 09:43:44,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:43:44,130 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[~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[~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[~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[~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 09:43:44,600 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.4.2.ufo.BOUNDED-8.pals.c[28194,28207] [2020-12-23 09:43:44,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:43:44,626 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[~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[~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[~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[~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 09:43:44,764 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.4.2.ufo.BOUNDED-8.pals.c[28194,28207] [2020-12-23 09:43:44,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:43:44,792 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:43:44,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44 WrapperNode [2020-12-23 09:43:44,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:43:44,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:43:44,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:43:44,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:43:44,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:43:44,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:43:44,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:43:44,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:43:44,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:44,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (1/1) ... [2020-12-23 09:43:45,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:43:45,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:43:45,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:43:45,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:43:45,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (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 09:43:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:43:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:43:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:43:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:43:46,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:43:46,459 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2020-12-23 09:43:46,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:43:46 BoogieIcfgContainer [2020-12-23 09:43:46,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:43:46,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:43:46,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:43:46,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:43:46,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:43:44" (1/3) ... [2020-12-23 09:43:46,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7570e3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:43:46, skipping insertion in model container [2020-12-23 09:43:46,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:44" (2/3) ... [2020-12-23 09:43:46,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7570e3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:43:46, skipping insertion in model container [2020-12-23 09:43:46,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:43:46" (3/3) ... [2020-12-23 09:43:46,478 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.2.ufo.BOUNDED-8.pals.c [2020-12-23 09:43:46,485 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:43:46,491 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 09:43:46,513 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 09:43:46,567 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:43:46,567 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:43:46,567 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:43:46,567 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:43:46,568 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:43:46,568 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:43:46,569 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:43:46,569 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:43:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-12-23 09:43:46,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:43:46,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:46,620 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 09:43:46,621 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:46,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:46,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2110216456, now seen corresponding path program 1 times [2020-12-23 09:43:46,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:46,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058946820] [2020-12-23 09:43:46,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:47,122 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 09:43:47,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058946820] [2020-12-23 09:43:47,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:47,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:43:47,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779308783] [2020-12-23 09:43:47,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:43:47,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:47,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:43:47,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:43:47,151 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 2 states. [2020-12-23 09:43:47,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:47,205 INFO L93 Difference]: Finished difference Result 417 states and 738 transitions. [2020-12-23 09:43:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:43:47,209 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 77 [2020-12-23 09:43:47,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:47,235 INFO L225 Difference]: With dead ends: 417 [2020-12-23 09:43:47,236 INFO L226 Difference]: Without dead ends: 300 [2020-12-23 09:43:47,240 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 09:43:47,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-12-23 09:43:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2020-12-23 09:43:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-12-23 09:43:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 539 transitions. [2020-12-23 09:43:47,359 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 539 transitions. Word has length 77 [2020-12-23 09:43:47,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:47,360 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 539 transitions. [2020-12-23 09:43:47,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:43:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 539 transitions. [2020-12-23 09:43:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:43:47,372 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:47,372 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 09:43:47,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:43:47,373 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:47,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:47,375 INFO L82 PathProgramCache]: Analyzing trace with hash 2050737334, now seen corresponding path program 1 times [2020-12-23 09:43:47,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:47,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680197822] [2020-12-23 09:43:47,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:47,656 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 09:43:47,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680197822] [2020-12-23 09:43:47,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:47,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:43:47,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184909704] [2020-12-23 09:43:47,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:43:47,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:47,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:43:47,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:43:47,661 INFO L87 Difference]: Start difference. First operand 300 states and 539 transitions. Second operand 5 states. [2020-12-23 09:43:47,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:47,776 INFO L93 Difference]: Finished difference Result 412 states and 728 transitions. [2020-12-23 09:43:47,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:43:47,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 09:43:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:47,782 INFO L225 Difference]: With dead ends: 412 [2020-12-23 09:43:47,782 INFO L226 Difference]: Without dead ends: 300 [2020-12-23 09:43:47,786 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 09:43:47,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-12-23 09:43:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2020-12-23 09:43:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-12-23 09:43:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 497 transitions. [2020-12-23 09:43:47,814 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 497 transitions. Word has length 77 [2020-12-23 09:43:47,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:47,820 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 497 transitions. [2020-12-23 09:43:47,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:43:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 497 transitions. [2020-12-23 09:43:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:43:47,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:47,824 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 09:43:47,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:43:47,825 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:47,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:47,829 INFO L82 PathProgramCache]: Analyzing trace with hash 255571390, now seen corresponding path program 1 times [2020-12-23 09:43:47,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:47,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599625400] [2020-12-23 09:43:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:48,088 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 09:43:48,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599625400] [2020-12-23 09:43:48,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:48,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:48,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970738762] [2020-12-23 09:43:48,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:48,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:48,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:48,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:48,095 INFO L87 Difference]: Start difference. First operand 300 states and 497 transitions. Second operand 3 states. [2020-12-23 09:43:48,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:48,160 INFO L93 Difference]: Finished difference Result 505 states and 846 transitions. [2020-12-23 09:43:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:48,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-12-23 09:43:48,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:48,167 INFO L225 Difference]: With dead ends: 505 [2020-12-23 09:43:48,168 INFO L226 Difference]: Without dead ends: 397 [2020-12-23 09:43:48,172 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 09:43:48,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-12-23 09:43:48,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 395. [2020-12-23 09:43:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 09:43:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 655 transitions. [2020-12-23 09:43:48,195 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 655 transitions. Word has length 118 [2020-12-23 09:43:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:48,204 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 655 transitions. [2020-12-23 09:43:48,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 655 transitions. [2020-12-23 09:43:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:43:48,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:48,210 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 09:43:48,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:43:48,211 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:48,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:48,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1923540700, now seen corresponding path program 1 times [2020-12-23 09:43:48,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:48,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217818558] [2020-12-23 09:43:48,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:48,358 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 09:43:48,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217818558] [2020-12-23 09:43:48,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:48,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:48,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539198129] [2020-12-23 09:43:48,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:48,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:48,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:48,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:48,364 INFO L87 Difference]: Start difference. First operand 395 states and 655 transitions. Second operand 3 states. [2020-12-23 09:43:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:48,402 INFO L93 Difference]: Finished difference Result 593 states and 993 transitions. [2020-12-23 09:43:48,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:48,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:43:48,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:48,409 INFO L225 Difference]: With dead ends: 593 [2020-12-23 09:43:48,409 INFO L226 Difference]: Without dead ends: 485 [2020-12-23 09:43:48,411 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 09:43:48,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-12-23 09:43:48,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2020-12-23 09:43:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-12-23 09:43:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 805 transitions. [2020-12-23 09:43:48,442 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 805 transitions. Word has length 121 [2020-12-23 09:43:48,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:48,444 INFO L481 AbstractCegarLoop]: Abstraction has 483 states and 805 transitions. [2020-12-23 09:43:48,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 805 transitions. [2020-12-23 09:43:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:43:48,446 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:48,447 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 09:43:48,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:43:48,447 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:48,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:48,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1109580608, now seen corresponding path program 1 times [2020-12-23 09:43:48,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:48,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912490097] [2020-12-23 09:43:48,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:48,612 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 09:43:48,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912490097] [2020-12-23 09:43:48,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:48,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:48,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794212248] [2020-12-23 09:43:48,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:48,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:48,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:48,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:48,616 INFO L87 Difference]: Start difference. First operand 483 states and 805 transitions. Second operand 3 states. [2020-12-23 09:43:48,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:48,668 INFO L93 Difference]: Finished difference Result 1034 states and 1736 transitions. [2020-12-23 09:43:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:48,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:43:48,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:48,674 INFO L225 Difference]: With dead ends: 1034 [2020-12-23 09:43:48,674 INFO L226 Difference]: Without dead ends: 745 [2020-12-23 09:43:48,675 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 09:43:48,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-12-23 09:43:48,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 743. [2020-12-23 09:43:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-12-23 09:43:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1241 transitions. [2020-12-23 09:43:48,714 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1241 transitions. Word has length 121 [2020-12-23 09:43:48,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:48,715 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 1241 transitions. [2020-12-23 09:43:48,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1241 transitions. [2020-12-23 09:43:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:43:48,717 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:48,717 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 09:43:48,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:43:48,718 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:48,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:48,718 INFO L82 PathProgramCache]: Analyzing trace with hash 2073181113, now seen corresponding path program 1 times [2020-12-23 09:43:48,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:48,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114424590] [2020-12-23 09:43:48,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:48,858 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 09:43:48,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114424590] [2020-12-23 09:43:48,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:48,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:48,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573061651] [2020-12-23 09:43:48,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:48,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:48,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:48,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:48,863 INFO L87 Difference]: Start difference. First operand 743 states and 1241 transitions. Second operand 3 states. [2020-12-23 09:43:48,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:48,918 INFO L93 Difference]: Finished difference Result 1274 states and 2138 transitions. [2020-12-23 09:43:48,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:48,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 09:43:48,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:48,926 INFO L225 Difference]: With dead ends: 1274 [2020-12-23 09:43:48,926 INFO L226 Difference]: Without dead ends: 985 [2020-12-23 09:43:48,927 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 09:43:48,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-12-23 09:43:48,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 983. [2020-12-23 09:43:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983 states. [2020-12-23 09:43:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1642 transitions. [2020-12-23 09:43:48,969 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1642 transitions. Word has length 124 [2020-12-23 09:43:48,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:48,969 INFO L481 AbstractCegarLoop]: Abstraction has 983 states and 1642 transitions. [2020-12-23 09:43:48,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1642 transitions. [2020-12-23 09:43:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:43:48,971 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:48,971 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] [2020-12-23 09:43:48,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:43:48,972 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:48,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:48,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1914082347, now seen corresponding path program 1 times [2020-12-23 09:43:48,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:48,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750251397] [2020-12-23 09:43:48,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:49,095 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 09:43:49,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750251397] [2020-12-23 09:43:49,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:49,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:49,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763591265] [2020-12-23 09:43:49,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:49,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:49,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:49,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:49,099 INFO L87 Difference]: Start difference. First operand 983 states and 1642 transitions. Second operand 3 states. [2020-12-23 09:43:49,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:49,163 INFO L93 Difference]: Finished difference Result 2454 states and 4107 transitions. [2020-12-23 09:43:49,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:49,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 09:43:49,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:49,176 INFO L225 Difference]: With dead ends: 2454 [2020-12-23 09:43:49,176 INFO L226 Difference]: Without dead ends: 1678 [2020-12-23 09:43:49,180 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 09:43:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2020-12-23 09:43:49,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1676. [2020-12-23 09:43:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1676 states. [2020-12-23 09:43:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2788 transitions. [2020-12-23 09:43:49,265 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2788 transitions. Word has length 124 [2020-12-23 09:43:49,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:49,265 INFO L481 AbstractCegarLoop]: Abstraction has 1676 states and 2788 transitions. [2020-12-23 09:43:49,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2788 transitions. [2020-12-23 09:43:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:43:49,268 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:49,268 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 09:43:49,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:43:49,268 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:49,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:49,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1459354075, now seen corresponding path program 1 times [2020-12-23 09:43:49,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:49,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418052376] [2020-12-23 09:43:49,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:49,460 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 09:43:49,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418052376] [2020-12-23 09:43:49,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:49,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:49,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656568260] [2020-12-23 09:43:49,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:49,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:49,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:49,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:49,464 INFO L87 Difference]: Start difference. First operand 1676 states and 2788 transitions. Second operand 3 states. [2020-12-23 09:43:49,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:49,544 INFO L93 Difference]: Finished difference Result 3061 states and 5111 transitions. [2020-12-23 09:43:49,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:49,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-23 09:43:49,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:49,561 INFO L225 Difference]: With dead ends: 3061 [2020-12-23 09:43:49,561 INFO L226 Difference]: Without dead ends: 2285 [2020-12-23 09:43:49,564 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 09:43:49,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2020-12-23 09:43:49,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2283. [2020-12-23 09:43:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2020-12-23 09:43:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3791 transitions. [2020-12-23 09:43:49,669 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3791 transitions. Word has length 127 [2020-12-23 09:43:49,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:49,670 INFO L481 AbstractCegarLoop]: Abstraction has 2283 states and 3791 transitions. [2020-12-23 09:43:49,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3791 transitions. [2020-12-23 09:43:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:43:49,672 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:49,673 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 09:43:49,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:43:49,673 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:49,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:49,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1832413193, now seen corresponding path program 1 times [2020-12-23 09:43:49,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:49,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098234220] [2020-12-23 09:43:49,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:49,819 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 09:43:49,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098234220] [2020-12-23 09:43:49,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:49,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:49,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694362734] [2020-12-23 09:43:49,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:49,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:49,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:49,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:49,830 INFO L87 Difference]: Start difference. First operand 2283 states and 3791 transitions. Second operand 3 states. [2020-12-23 09:43:49,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:49,964 INFO L93 Difference]: Finished difference Result 6166 states and 10210 transitions. [2020-12-23 09:43:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:49,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-23 09:43:49,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:49,991 INFO L225 Difference]: With dead ends: 6166 [2020-12-23 09:43:49,992 INFO L226 Difference]: Without dead ends: 4103 [2020-12-23 09:43:49,999 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 09:43:50,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4103 states. [2020-12-23 09:43:50,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4103 to 4101. [2020-12-23 09:43:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4101 states. [2020-12-23 09:43:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 4101 states and 6743 transitions. [2020-12-23 09:43:50,185 INFO L78 Accepts]: Start accepts. Automaton has 4101 states and 6743 transitions. Word has length 127 [2020-12-23 09:43:50,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:50,186 INFO L481 AbstractCegarLoop]: Abstraction has 4101 states and 6743 transitions. [2020-12-23 09:43:50,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand 4101 states and 6743 transitions. [2020-12-23 09:43:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 09:43:50,188 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:50,189 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 09:43:50,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:43:50,189 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:50,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:50,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1181394736, now seen corresponding path program 1 times [2020-12-23 09:43:50,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:50,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073371336] [2020-12-23 09:43:50,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:50,316 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 09:43:50,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073371336] [2020-12-23 09:43:50,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:50,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:50,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784677446] [2020-12-23 09:43:50,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:50,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:50,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:50,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:50,320 INFO L87 Difference]: Start difference. First operand 4101 states and 6743 transitions. Second operand 3 states. [2020-12-23 09:43:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:50,456 INFO L93 Difference]: Finished difference Result 7700 states and 12696 transitions. [2020-12-23 09:43:50,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:50,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-12-23 09:43:50,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:50,490 INFO L225 Difference]: With dead ends: 7700 [2020-12-23 09:43:50,490 INFO L226 Difference]: Without dead ends: 5637 [2020-12-23 09:43:50,497 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 09:43:50,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2020-12-23 09:43:50,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5635. [2020-12-23 09:43:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2020-12-23 09:43:50,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 9228 transitions. [2020-12-23 09:43:50,773 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 9228 transitions. Word has length 130 [2020-12-23 09:43:50,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:50,773 INFO L481 AbstractCegarLoop]: Abstraction has 5635 states and 9228 transitions. [2020-12-23 09:43:50,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:50,774 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 9228 transitions. [2020-12-23 09:43:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 09:43:50,775 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:50,775 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 09:43:50,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:43:50,776 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:50,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:50,776 INFO L82 PathProgramCache]: Analyzing trace with hash -163814164, now seen corresponding path program 1 times [2020-12-23 09:43:50,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:50,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351988466] [2020-12-23 09:43:50,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:50,962 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 09:43:50,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351988466] [2020-12-23 09:43:50,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:50,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:43:50,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516216897] [2020-12-23 09:43:50,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:43:50,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:50,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:43:50,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:43:50,966 INFO L87 Difference]: Start difference. First operand 5635 states and 9228 transitions. Second operand 6 states. [2020-12-23 09:43:51,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:51,979 INFO L93 Difference]: Finished difference Result 34219 states and 56471 transitions. [2020-12-23 09:43:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:43:51,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-12-23 09:43:51,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:52,114 INFO L225 Difference]: With dead ends: 34219 [2020-12-23 09:43:52,114 INFO L226 Difference]: Without dead ends: 28817 [2020-12-23 09:43:52,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:43:52,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28817 states. [2020-12-23 09:43:52,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28817 to 10967. [2020-12-23 09:43:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10967 states. [2020-12-23 09:43:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10967 states to 10967 states and 17845 transitions. [2020-12-23 09:43:52,959 INFO L78 Accepts]: Start accepts. Automaton has 10967 states and 17845 transitions. Word has length 130 [2020-12-23 09:43:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:52,960 INFO L481 AbstractCegarLoop]: Abstraction has 10967 states and 17845 transitions. [2020-12-23 09:43:52,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:43:52,960 INFO L276 IsEmpty]: Start isEmpty. Operand 10967 states and 17845 transitions. [2020-12-23 09:43:52,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-23 09:43:52,962 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:52,962 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 09:43:52,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:43:52,962 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:52,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:52,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1417088843, now seen corresponding path program 1 times [2020-12-23 09:43:52,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:52,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027492672] [2020-12-23 09:43:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:53,179 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 09:43:53,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027492672] [2020-12-23 09:43:53,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:53,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:53,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132378667] [2020-12-23 09:43:53,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:53,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:53,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:53,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:53,182 INFO L87 Difference]: Start difference. First operand 10967 states and 17845 transitions. Second operand 4 states. [2020-12-23 09:43:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:53,921 INFO L93 Difference]: Finished difference Result 32421 states and 53133 transitions. [2020-12-23 09:43:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:53,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-12-23 09:43:53,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:53,984 INFO L225 Difference]: With dead ends: 32421 [2020-12-23 09:43:53,984 INFO L226 Difference]: Without dead ends: 21687 [2020-12-23 09:43:54,005 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 09:43:54,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21687 states. [2020-12-23 09:43:54,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21687 to 18012. [2020-12-23 09:43:54,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18012 states. [2020-12-23 09:43:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18012 states to 18012 states and 29344 transitions. [2020-12-23 09:43:54,880 INFO L78 Accepts]: Start accepts. Automaton has 18012 states and 29344 transitions. Word has length 131 [2020-12-23 09:43:54,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:54,881 INFO L481 AbstractCegarLoop]: Abstraction has 18012 states and 29344 transitions. [2020-12-23 09:43:54,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:43:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 18012 states and 29344 transitions. [2020-12-23 09:43:54,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 09:43:54,883 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:54,883 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 09:43:54,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:43:54,885 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:54,885 INFO L82 PathProgramCache]: Analyzing trace with hash -945521149, now seen corresponding path program 1 times [2020-12-23 09:43:54,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:54,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624639831] [2020-12-23 09:43:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:55,010 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 09:43:55,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624639831] [2020-12-23 09:43:55,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:55,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:55,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660659287] [2020-12-23 09:43:55,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:55,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:55,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:55,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:55,013 INFO L87 Difference]: Start difference. First operand 18012 states and 29344 transitions. Second operand 4 states. [2020-12-23 09:43:56,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:56,347 INFO L93 Difference]: Finished difference Result 52879 states and 86403 transitions. [2020-12-23 09:43:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:56,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-12-23 09:43:56,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:56,458 INFO L225 Difference]: With dead ends: 52879 [2020-12-23 09:43:56,459 INFO L226 Difference]: Without dead ends: 35100 [2020-12-23 09:43:56,495 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 09:43:56,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35100 states. [2020-12-23 09:43:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35100 to 29449. [2020-12-23 09:43:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29449 states. [2020-12-23 09:43:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29449 states to 29449 states and 47793 transitions. [2020-12-23 09:43:57,884 INFO L78 Accepts]: Start accepts. Automaton has 29449 states and 47793 transitions. Word has length 132 [2020-12-23 09:43:57,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:57,885 INFO L481 AbstractCegarLoop]: Abstraction has 29449 states and 47793 transitions. [2020-12-23 09:43:57,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:43:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 29449 states and 47793 transitions. [2020-12-23 09:43:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 09:43:57,886 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:57,887 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 09:43:57,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:43:57,887 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:57,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:57,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1002982526, now seen corresponding path program 1 times [2020-12-23 09:43:57,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:57,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483977299] [2020-12-23 09:43:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:57,995 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 09:43:57,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483977299] [2020-12-23 09:43:57,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:57,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:57,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471010922] [2020-12-23 09:43:57,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:57,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:57,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:57,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:57,997 INFO L87 Difference]: Start difference. First operand 29449 states and 47793 transitions. Second operand 4 states. [2020-12-23 09:43:59,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:59,853 INFO L93 Difference]: Finished difference Result 85951 states and 139911 transitions. [2020-12-23 09:43:59,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:59,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-12-23 09:43:59,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:00,036 INFO L225 Difference]: With dead ends: 85951 [2020-12-23 09:44:00,036 INFO L226 Difference]: Without dead ends: 56735 [2020-12-23 09:44:00,092 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 09:44:00,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56735 states. [2020-12-23 09:44:01,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56735 to 47894. [2020-12-23 09:44:01,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47894 states. [2020-12-23 09:44:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47894 states to 47894 states and 77430 transitions. [2020-12-23 09:44:02,032 INFO L78 Accepts]: Start accepts. Automaton has 47894 states and 77430 transitions. Word has length 133 [2020-12-23 09:44:02,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:02,032 INFO L481 AbstractCegarLoop]: Abstraction has 47894 states and 77430 transitions. [2020-12-23 09:44:02,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:44:02,032 INFO L276 IsEmpty]: Start isEmpty. Operand 47894 states and 77430 transitions. [2020-12-23 09:44:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-23 09:44:02,034 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:02,034 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 09:44:02,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:44:02,035 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:02,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:02,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1679686426, now seen corresponding path program 1 times [2020-12-23 09:44:02,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:02,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707762928] [2020-12-23 09:44:02,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:02,346 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 09:44:02,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707762928] [2020-12-23 09:44:02,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:02,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:44:02,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867511622] [2020-12-23 09:44:02,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:44:02,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:02,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:44:02,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:44:02,352 INFO L87 Difference]: Start difference. First operand 47894 states and 77430 transitions. Second operand 4 states. [2020-12-23 09:44:04,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:04,329 INFO L93 Difference]: Finished difference Result 137703 states and 223323 transitions. [2020-12-23 09:44:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:44:04,330 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2020-12-23 09:44:04,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:04,539 INFO L225 Difference]: With dead ends: 137703 [2020-12-23 09:44:04,540 INFO L226 Difference]: Without dead ends: 90042 [2020-12-23 09:44:04,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:44:04,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90042 states. [2020-12-23 09:44:07,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90042 to 76943. [2020-12-23 09:44:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76943 states. [2020-12-23 09:44:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76943 states to 76943 states and 123931 transitions. [2020-12-23 09:44:07,210 INFO L78 Accepts]: Start accepts. Automaton has 76943 states and 123931 transitions. Word has length 134 [2020-12-23 09:44:07,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:07,210 INFO L481 AbstractCegarLoop]: Abstraction has 76943 states and 123931 transitions. [2020-12-23 09:44:07,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:44:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 76943 states and 123931 transitions. [2020-12-23 09:44:07,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-23 09:44:07,212 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:07,213 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 09:44:07,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:44:07,213 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:07,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:07,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1349768178, now seen corresponding path program 1 times [2020-12-23 09:44:07,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:07,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370045191] [2020-12-23 09:44:07,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:07,573 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 09:44:07,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370045191] [2020-12-23 09:44:07,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:07,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:07,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306425773] [2020-12-23 09:44:07,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:07,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:07,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:07,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:07,580 INFO L87 Difference]: Start difference. First operand 76943 states and 123931 transitions. Second operand 6 states. [2020-12-23 09:44:10,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:10,365 INFO L93 Difference]: Finished difference Result 185517 states and 299643 transitions. [2020-12-23 09:44:10,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:44:10,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2020-12-23 09:44:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:10,580 INFO L225 Difference]: With dead ends: 185517 [2020-12-23 09:44:10,580 INFO L226 Difference]: Without dead ends: 108807 [2020-12-23 09:44:10,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:44:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108807 states. [2020-12-23 09:44:13,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108807 to 76943. [2020-12-23 09:44:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76943 states. [2020-12-23 09:44:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76943 states to 76943 states and 123306 transitions. [2020-12-23 09:44:13,402 INFO L78 Accepts]: Start accepts. Automaton has 76943 states and 123306 transitions. Word has length 136 [2020-12-23 09:44:13,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:13,402 INFO L481 AbstractCegarLoop]: Abstraction has 76943 states and 123306 transitions. [2020-12-23 09:44:13,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:44:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 76943 states and 123306 transitions. [2020-12-23 09:44:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-23 09:44:13,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:13,410 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 09:44:13,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:44:13,411 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:13,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:13,411 INFO L82 PathProgramCache]: Analyzing trace with hash 412618117, now seen corresponding path program 1 times [2020-12-23 09:44:13,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:13,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314060938] [2020-12-23 09:44:13,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:44:13,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314060938] [2020-12-23 09:44:13,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:13,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:44:13,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949776596] [2020-12-23 09:44:13,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:44:13,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:13,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:44:13,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:44:13,705 INFO L87 Difference]: Start difference. First operand 76943 states and 123306 transitions. Second operand 4 states. [2020-12-23 09:44:17,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:17,528 INFO L93 Difference]: Finished difference Result 228942 states and 366846 transitions. [2020-12-23 09:44:17,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:44:17,528 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-12-23 09:44:17,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:17,814 INFO L225 Difference]: With dead ends: 228942 [2020-12-23 09:44:17,815 INFO L226 Difference]: Without dead ends: 152010 [2020-12-23 09:44:17,878 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 09:44:18,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152010 states. [2020-12-23 09:44:22,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152010 to 152008. [2020-12-23 09:44:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152008 states. [2020-12-23 09:44:22,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152008 states to 152008 states and 242382 transitions. [2020-12-23 09:44:22,812 INFO L78 Accepts]: Start accepts. Automaton has 152008 states and 242382 transitions. Word has length 139 [2020-12-23 09:44:22,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:22,813 INFO L481 AbstractCegarLoop]: Abstraction has 152008 states and 242382 transitions. [2020-12-23 09:44:22,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:44:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 152008 states and 242382 transitions. [2020-12-23 09:44:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-23 09:44:22,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:22,816 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 09:44:22,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:44:22,816 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:22,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:22,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1038580458, now seen corresponding path program 1 times [2020-12-23 09:44:22,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:22,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602296679] [2020-12-23 09:44:22,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:23,053 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 09:44:23,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602296679] [2020-12-23 09:44:23,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:23,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:44:23,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832578672] [2020-12-23 09:44:23,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:44:23,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:23,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:44:23,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:44:23,057 INFO L87 Difference]: Start difference. First operand 152008 states and 242382 transitions. Second operand 4 states. [2020-12-23 09:44:30,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:30,793 INFO L93 Difference]: Finished difference Result 452262 states and 721025 transitions. [2020-12-23 09:44:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:44:30,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-12-23 09:44:30,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:31,639 INFO L225 Difference]: With dead ends: 452262 [2020-12-23 09:44:31,640 INFO L226 Difference]: Without dead ends: 300266 [2020-12-23 09:44:31,768 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 09:44:31,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300266 states. [2020-12-23 09:44:40,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300266 to 300264. [2020-12-23 09:44:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300264 states. [2020-12-23 09:44:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300264 states to 300264 states and 476310 transitions. [2020-12-23 09:44:42,177 INFO L78 Accepts]: Start accepts. Automaton has 300264 states and 476310 transitions. Word has length 141 [2020-12-23 09:44:42,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:42,177 INFO L481 AbstractCegarLoop]: Abstraction has 300264 states and 476310 transitions. [2020-12-23 09:44:42,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:44:42,178 INFO L276 IsEmpty]: Start isEmpty. Operand 300264 states and 476310 transitions. [2020-12-23 09:44:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-23 09:44:42,180 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:42,181 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 09:44:42,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:44:42,181 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:42,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:42,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1947387771, now seen corresponding path program 1 times [2020-12-23 09:44:42,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:42,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299407971] [2020-12-23 09:44:42,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:42,472 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 09:44:42,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299407971] [2020-12-23 09:44:42,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:42,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:44:42,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086820905] [2020-12-23 09:44:42,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:44:42,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:42,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:44:42,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:44:42,476 INFO L87 Difference]: Start difference. First operand 300264 states and 476310 transitions. Second operand 4 states. [2020-12-23 09:44:59,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:59,266 INFO L93 Difference]: Finished difference Result 893269 states and 1416691 transitions. [2020-12-23 09:44:59,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:44:59,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-12-23 09:44:59,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:00,721 INFO L225 Difference]: With dead ends: 893269 [2020-12-23 09:45:00,721 INFO L226 Difference]: Without dead ends: 593032 [2020-12-23 09:45:01,500 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 09:45:02,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593032 states. [2020-12-23 09:45:25,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593032 to 593030. [2020-12-23 09:45:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593030 states. [2020-12-23 09:45:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593030 states to 593030 states and 935723 transitions. [2020-12-23 09:45:27,902 INFO L78 Accepts]: Start accepts. Automaton has 593030 states and 935723 transitions. Word has length 143 [2020-12-23 09:45:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:27,921 INFO L481 AbstractCegarLoop]: Abstraction has 593030 states and 935723 transitions. [2020-12-23 09:45:27,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:45:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 593030 states and 935723 transitions. [2020-12-23 09:45:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 09:45:27,928 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:27,928 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 09:45:27,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:45:27,928 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:27,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:27,945 INFO L82 PathProgramCache]: Analyzing trace with hash 380264234, now seen corresponding path program 1 times [2020-12-23 09:45:27,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:27,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202095133] [2020-12-23 09:45:27,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:28,170 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 09:45:28,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202095133] [2020-12-23 09:45:28,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:28,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:45:28,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721199021] [2020-12-23 09:45:28,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:45:28,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:28,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:45:28,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:45:28,172 INFO L87 Difference]: Start difference. First operand 593030 states and 935723 transitions. Second operand 4 states. [2020-12-23 09:46:09,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:09,988 INFO L93 Difference]: Finished difference Result 1763882 states and 2782417 transitions. [2020-12-23 09:46:09,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:09,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2020-12-23 09:46:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:14,532 INFO L225 Difference]: With dead ends: 1763882 [2020-12-23 09:46:14,532 INFO L226 Difference]: Without dead ends: 1170988 [2020-12-23 09:46:15,876 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 09:46:16,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170988 states.