/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.4.1.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:43:36,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:43:36,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:43:36,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:43:36,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:43:36,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:43:36,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:43:36,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:43:36,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:43:36,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:43:36,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:43:36,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:43:36,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:43:36,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:43:36,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:43:36,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:43:36,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:43:36,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:43:36,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:43:36,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:43:36,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:43:36,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:43:36,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:43:36,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:43:36,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:43:36,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:43:36,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:43:36,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:43:36,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:43:36,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:43:36,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:43:36,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:43:36,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:43:36,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:43:36,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:43:36,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:43:36,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:43:36,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:43:36,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:43:36,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:43:36,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:43:36,232 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 09:43:36,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:43:36,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:43:36,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:43:36,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:43:36,288 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:43:36,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:43:36,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:43:36,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:43:36,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:43:36,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:43:36,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:43:36,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:43:36,291 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:43:36,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:43:36,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:43:36,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:43:36,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:43:36,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:43:36,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:43:36,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:43:36,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:43:36,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:43:36,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:43:36,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:43:36,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:43:36,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:43:36,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:43:36,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:43:36,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:43:36,815 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:43:36,816 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:43:36,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2020-12-23 09:43:36,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a51f5a48f/637d30010ba4479fa4a54c800f3c3c29/FLAGb82f3a926 [2020-12-23 09:43:37,529 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:43:37,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2020-12-23 09:43:37,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a51f5a48f/637d30010ba4479fa4a54c800f3c3c29/FLAGb82f3a926 [2020-12-23 09:43:37,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a51f5a48f/637d30010ba4479fa4a54c800f3c3c29 [2020-12-23 09:43:37,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:43:37,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:43:37,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:43:37,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:43:37,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:43:37,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:43:37" (1/1) ... [2020-12-23 09:43:37,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499b3974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:37, skipping insertion in model container [2020-12-23 09:43:37,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:43:37" (1/1) ... [2020-12-23 09:43:37,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:43:37,940 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~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 09:43:38,313 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.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2020-12-23 09:43:38,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:43:38,342 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~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 09:43:38,491 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.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2020-12-23 09:43:38,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:43:38,515 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:43:38,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38 WrapperNode [2020-12-23 09:43:38,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:43:38,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:43:38,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:43:38,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:43:38,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:43:38,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:43:38,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:43:38,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:43:38,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (1/1) ... [2020-12-23 09:43:38,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:43:38,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:43:38,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:43:38,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:43:38,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (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 09:43:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:43:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:43:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:43:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:43:40,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:43:40,336 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2020-12-23 09:43:40,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:43:40 BoogieIcfgContainer [2020-12-23 09:43:40,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:43:40,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:43:40,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:43:40,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:43:40,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:43:37" (1/3) ... [2020-12-23 09:43:40,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2127d2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:43:40, skipping insertion in model container [2020-12-23 09:43:40,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:38" (2/3) ... [2020-12-23 09:43:40,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2127d2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:43:40, skipping insertion in model container [2020-12-23 09:43:40,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:43:40" (3/3) ... [2020-12-23 09:43:40,351 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2020-12-23 09:43:40,358 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:43:40,364 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 09:43:40,385 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 09:43:40,417 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:43:40,417 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:43:40,417 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:43:40,417 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:43:40,417 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:43:40,418 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:43:40,418 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:43:40,418 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:43:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-12-23 09:43:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:43:40,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:40,457 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 09:43:40,457 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:40,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1078131632, now seen corresponding path program 1 times [2020-12-23 09:43:40,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:40,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721963338] [2020-12-23 09:43:40,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:40,924 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 09:43:40,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721963338] [2020-12-23 09:43:40,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:40,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:43:40,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166281073] [2020-12-23 09:43:40,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:43:40,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:40,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:43:40,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:43:40,952 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 2 states. [2020-12-23 09:43:41,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:41,001 INFO L93 Difference]: Finished difference Result 405 states and 714 transitions. [2020-12-23 09:43:41,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:43:41,004 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 77 [2020-12-23 09:43:41,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:41,022 INFO L225 Difference]: With dead ends: 405 [2020-12-23 09:43:41,022 INFO L226 Difference]: Without dead ends: 288 [2020-12-23 09:43:41,026 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 09:43:41,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-12-23 09:43:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-12-23 09:43:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-12-23 09:43:41,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 515 transitions. [2020-12-23 09:43:41,096 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 515 transitions. Word has length 77 [2020-12-23 09:43:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:41,097 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 515 transitions. [2020-12-23 09:43:41,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:43:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 515 transitions. [2020-12-23 09:43:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:43:41,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:41,103 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 09:43:41,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:43:41,104 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:41,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:41,105 INFO L82 PathProgramCache]: Analyzing trace with hash 944118126, now seen corresponding path program 1 times [2020-12-23 09:43:41,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:41,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752068501] [2020-12-23 09:43:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:41,399 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 09:43:41,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752068501] [2020-12-23 09:43:41,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:41,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:43:41,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648830023] [2020-12-23 09:43:41,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:43:41,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:41,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:43:41,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:43:41,405 INFO L87 Difference]: Start difference. First operand 288 states and 515 transitions. Second operand 5 states. [2020-12-23 09:43:41,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:41,563 INFO L93 Difference]: Finished difference Result 400 states and 704 transitions. [2020-12-23 09:43:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:43:41,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 09:43:41,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:41,568 INFO L225 Difference]: With dead ends: 400 [2020-12-23 09:43:41,568 INFO L226 Difference]: Without dead ends: 288 [2020-12-23 09:43:41,570 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 09:43:41,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-12-23 09:43:41,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-12-23 09:43:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-12-23 09:43:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 485 transitions. [2020-12-23 09:43:41,601 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 485 transitions. Word has length 77 [2020-12-23 09:43:41,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:41,602 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 485 transitions. [2020-12-23 09:43:41,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:43:41,603 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 485 transitions. [2020-12-23 09:43:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:43:41,615 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:41,615 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] [2020-12-23 09:43:41,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:43:41,615 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:41,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:41,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1676331028, now seen corresponding path program 1 times [2020-12-23 09:43:41,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:41,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811295086] [2020-12-23 09:43:41,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:41,812 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 09:43:41,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811295086] [2020-12-23 09:43:41,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:41,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:41,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102150065] [2020-12-23 09:43:41,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:41,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:41,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:41,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:41,816 INFO L87 Difference]: Start difference. First operand 288 states and 485 transitions. Second operand 3 states. [2020-12-23 09:43:41,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:41,878 INFO L93 Difference]: Finished difference Result 493 states and 834 transitions. [2020-12-23 09:43:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:41,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-23 09:43:41,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:41,883 INFO L225 Difference]: With dead ends: 493 [2020-12-23 09:43:41,883 INFO L226 Difference]: Without dead ends: 385 [2020-12-23 09:43:41,884 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 09:43:41,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-12-23 09:43:41,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 383. [2020-12-23 09:43:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-12-23 09:43:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 643 transitions. [2020-12-23 09:43:41,907 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 643 transitions. Word has length 106 [2020-12-23 09:43:41,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:41,908 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 643 transitions. [2020-12-23 09:43:41,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 643 transitions. [2020-12-23 09:43:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:43:41,910 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:41,910 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] [2020-12-23 09:43:41,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:43:41,911 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:41,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:41,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1628186862, now seen corresponding path program 1 times [2020-12-23 09:43:41,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:41,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716997797] [2020-12-23 09:43:41,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:42,027 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 09:43:42,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716997797] [2020-12-23 09:43:42,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:42,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:42,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953209462] [2020-12-23 09:43:42,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:42,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:42,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:42,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:42,030 INFO L87 Difference]: Start difference. First operand 383 states and 643 transitions. Second operand 3 states. [2020-12-23 09:43:42,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:42,067 INFO L93 Difference]: Finished difference Result 581 states and 981 transitions. [2020-12-23 09:43:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:42,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-23 09:43:42,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:42,071 INFO L225 Difference]: With dead ends: 581 [2020-12-23 09:43:42,072 INFO L226 Difference]: Without dead ends: 473 [2020-12-23 09:43:42,073 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 09:43:42,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-12-23 09:43:42,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2020-12-23 09:43:42,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-12-23 09:43:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 793 transitions. [2020-12-23 09:43:42,092 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 793 transitions. Word has length 109 [2020-12-23 09:43:42,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:42,093 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 793 transitions. [2020-12-23 09:43:42,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 793 transitions. [2020-12-23 09:43:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:43:42,095 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:42,095 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] [2020-12-23 09:43:42,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:43:42,095 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:42,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:42,096 INFO L82 PathProgramCache]: Analyzing trace with hash 366340874, now seen corresponding path program 1 times [2020-12-23 09:43:42,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:42,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194431707] [2020-12-23 09:43:42,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:42,258 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 09:43:42,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194431707] [2020-12-23 09:43:42,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:42,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:42,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949587196] [2020-12-23 09:43:42,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:42,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:42,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:42,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:42,262 INFO L87 Difference]: Start difference. First operand 471 states and 793 transitions. Second operand 3 states. [2020-12-23 09:43:42,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:42,304 INFO L93 Difference]: Finished difference Result 1022 states and 1724 transitions. [2020-12-23 09:43:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:42,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-23 09:43:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:42,310 INFO L225 Difference]: With dead ends: 1022 [2020-12-23 09:43:42,311 INFO L226 Difference]: Without dead ends: 733 [2020-12-23 09:43:42,312 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 09:43:42,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-12-23 09:43:42,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 731. [2020-12-23 09:43:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2020-12-23 09:43:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1229 transitions. [2020-12-23 09:43:42,363 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1229 transitions. Word has length 109 [2020-12-23 09:43:42,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:42,364 INFO L481 AbstractCegarLoop]: Abstraction has 731 states and 1229 transitions. [2020-12-23 09:43:42,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:42,365 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1229 transitions. [2020-12-23 09:43:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 09:43:42,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:42,367 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] [2020-12-23 09:43:42,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:43:42,368 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:42,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:42,369 INFO L82 PathProgramCache]: Analyzing trace with hash 774604903, now seen corresponding path program 1 times [2020-12-23 09:43:42,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:42,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183948212] [2020-12-23 09:43:42,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:42,494 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 09:43:42,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183948212] [2020-12-23 09:43:42,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:42,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:42,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613852111] [2020-12-23 09:43:42,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:42,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:42,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:42,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:42,500 INFO L87 Difference]: Start difference. First operand 731 states and 1229 transitions. Second operand 3 states. [2020-12-23 09:43:42,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:42,547 INFO L93 Difference]: Finished difference Result 1262 states and 2126 transitions. [2020-12-23 09:43:42,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:42,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 09:43:42,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:42,556 INFO L225 Difference]: With dead ends: 1262 [2020-12-23 09:43:42,556 INFO L226 Difference]: Without dead ends: 973 [2020-12-23 09:43:42,557 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 09:43:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-12-23 09:43:42,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 971. [2020-12-23 09:43:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-12-23 09:43:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1630 transitions. [2020-12-23 09:43:42,610 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1630 transitions. Word has length 112 [2020-12-23 09:43:42,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:42,611 INFO L481 AbstractCegarLoop]: Abstraction has 971 states and 1630 transitions. [2020-12-23 09:43:42,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1630 transitions. [2020-12-23 09:43:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 09:43:42,620 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:42,620 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:42,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:43:42,621 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:42,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:42,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1082308739, now seen corresponding path program 1 times [2020-12-23 09:43:42,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:42,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814669527] [2020-12-23 09:43:42,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:42,808 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 09:43:42,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814669527] [2020-12-23 09:43:42,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:42,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:42,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518767526] [2020-12-23 09:43:42,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:42,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:42,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:42,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:42,814 INFO L87 Difference]: Start difference. First operand 971 states and 1630 transitions. Second operand 3 states. [2020-12-23 09:43:42,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:42,920 INFO L93 Difference]: Finished difference Result 2442 states and 4095 transitions. [2020-12-23 09:43:42,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:42,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 09:43:42,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:42,934 INFO L225 Difference]: With dead ends: 2442 [2020-12-23 09:43:42,934 INFO L226 Difference]: Without dead ends: 1666 [2020-12-23 09:43:42,938 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 09:43:42,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2020-12-23 09:43:43,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1664. [2020-12-23 09:43:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2020-12-23 09:43:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2776 transitions. [2020-12-23 09:43:43,027 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2776 transitions. Word has length 112 [2020-12-23 09:43:43,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:43,028 INFO L481 AbstractCegarLoop]: Abstraction has 1664 states and 2776 transitions. [2020-12-23 09:43:43,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2776 transitions. [2020-12-23 09:43:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:43:43,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:43,032 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] [2020-12-23 09:43:43,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:43:43,033 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:43,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:43,034 INFO L82 PathProgramCache]: Analyzing trace with hash 345845541, now seen corresponding path program 1 times [2020-12-23 09:43:43,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:43,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100118092] [2020-12-23 09:43:43,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:43,198 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 09:43:43,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100118092] [2020-12-23 09:43:43,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:43,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:43,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601328895] [2020-12-23 09:43:43,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:43,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:43,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:43,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:43,201 INFO L87 Difference]: Start difference. First operand 1664 states and 2776 transitions. Second operand 3 states. [2020-12-23 09:43:43,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:43,270 INFO L93 Difference]: Finished difference Result 3049 states and 5099 transitions. [2020-12-23 09:43:43,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:43,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 09:43:43,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:43,284 INFO L225 Difference]: With dead ends: 3049 [2020-12-23 09:43:43,284 INFO L226 Difference]: Without dead ends: 2273 [2020-12-23 09:43:43,286 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 09:43:43,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2020-12-23 09:43:43,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2271. [2020-12-23 09:43:43,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2271 states. [2020-12-23 09:43:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 3779 transitions. [2020-12-23 09:43:43,380 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 3779 transitions. Word has length 115 [2020-12-23 09:43:43,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:43,381 INFO L481 AbstractCegarLoop]: Abstraction has 2271 states and 3779 transitions. [2020-12-23 09:43:43,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 3779 transitions. [2020-12-23 09:43:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:43:43,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:43,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:43,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:43:43,386 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:43,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:43,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1349045569, now seen corresponding path program 1 times [2020-12-23 09:43:43,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:43,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277970304] [2020-12-23 09:43:43,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:43,519 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 09:43:43,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277970304] [2020-12-23 09:43:43,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:43,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:43,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214133949] [2020-12-23 09:43:43,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:43,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:43,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:43,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:43,532 INFO L87 Difference]: Start difference. First operand 2271 states and 3779 transitions. Second operand 3 states. [2020-12-23 09:43:43,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:43,653 INFO L93 Difference]: Finished difference Result 6154 states and 10198 transitions. [2020-12-23 09:43:43,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:43,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 09:43:43,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:43,677 INFO L225 Difference]: With dead ends: 6154 [2020-12-23 09:43:43,678 INFO L226 Difference]: Without dead ends: 4091 [2020-12-23 09:43:43,709 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 09:43:43,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2020-12-23 09:43:43,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 4089. [2020-12-23 09:43:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4089 states. [2020-12-23 09:43:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 4089 states and 6731 transitions. [2020-12-23 09:43:43,872 INFO L78 Accepts]: Start accepts. Automaton has 4089 states and 6731 transitions. Word has length 115 [2020-12-23 09:43:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:43,876 INFO L481 AbstractCegarLoop]: Abstraction has 4089 states and 6731 transitions. [2020-12-23 09:43:43,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4089 states and 6731 transitions. [2020-12-23 09:43:43,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:43:43,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:43,879 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 09:43:43,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:43:43,879 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:43,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:43,880 INFO L82 PathProgramCache]: Analyzing trace with hash 613191678, now seen corresponding path program 1 times [2020-12-23 09:43:43,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:43,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434649838] [2020-12-23 09:43:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:43,996 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 09:43:43,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434649838] [2020-12-23 09:43:43,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:43,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:43,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961032526] [2020-12-23 09:43:43,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:43,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:43,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:44,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:44,003 INFO L87 Difference]: Start difference. First operand 4089 states and 6731 transitions. Second operand 3 states. [2020-12-23 09:43:44,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:44,159 INFO L93 Difference]: Finished difference Result 7688 states and 12684 transitions. [2020-12-23 09:43:44,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:44,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-12-23 09:43:44,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:44,204 INFO L225 Difference]: With dead ends: 7688 [2020-12-23 09:43:44,204 INFO L226 Difference]: Without dead ends: 5625 [2020-12-23 09:43:44,211 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 09:43:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5625 states. [2020-12-23 09:43:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5625 to 5623. [2020-12-23 09:43:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5623 states. [2020-12-23 09:43:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5623 states to 5623 states and 9216 transitions. [2020-12-23 09:43:44,561 INFO L78 Accepts]: Start accepts. Automaton has 5623 states and 9216 transitions. Word has length 118 [2020-12-23 09:43:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:44,562 INFO L481 AbstractCegarLoop]: Abstraction has 5623 states and 9216 transitions. [2020-12-23 09:43:44,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 5623 states and 9216 transitions. [2020-12-23 09:43:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:43:44,563 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:44,564 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 09:43:44,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:43:44,564 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:44,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:44,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1630772250, now seen corresponding path program 1 times [2020-12-23 09:43:44,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:44,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896326488] [2020-12-23 09:43:44,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:44,794 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 09:43:44,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896326488] [2020-12-23 09:43:44,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:44,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:43:44,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079855702] [2020-12-23 09:43:44,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:43:44,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:44,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:43:44,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:43:44,799 INFO L87 Difference]: Start difference. First operand 5623 states and 9216 transitions. Second operand 6 states. [2020-12-23 09:43:45,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:45,948 INFO L93 Difference]: Finished difference Result 34207 states and 56459 transitions. [2020-12-23 09:43:45,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:43:45,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2020-12-23 09:43:45,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:46,067 INFO L225 Difference]: With dead ends: 34207 [2020-12-23 09:43:46,068 INFO L226 Difference]: Without dead ends: 28805 [2020-12-23 09:43:46,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:43:46,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28805 states. [2020-12-23 09:43:46,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28805 to 10955. [2020-12-23 09:43:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10955 states. [2020-12-23 09:43:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10955 states to 10955 states and 17833 transitions. [2020-12-23 09:43:46,936 INFO L78 Accepts]: Start accepts. Automaton has 10955 states and 17833 transitions. Word has length 118 [2020-12-23 09:43:46,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:46,937 INFO L481 AbstractCegarLoop]: Abstraction has 10955 states and 17833 transitions. [2020-12-23 09:43:46,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:43:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10955 states and 17833 transitions. [2020-12-23 09:43:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:43:46,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:46,939 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] [2020-12-23 09:43:46,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:43:46,940 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:46,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:46,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1214692757, now seen corresponding path program 1 times [2020-12-23 09:43:46,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:46,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277463333] [2020-12-23 09:43:46,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:47,077 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 09:43:47,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277463333] [2020-12-23 09:43:47,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:47,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:47,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651990671] [2020-12-23 09:43:47,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:47,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:47,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:47,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:47,082 INFO L87 Difference]: Start difference. First operand 10955 states and 17833 transitions. Second operand 4 states. [2020-12-23 09:43:47,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:47,887 INFO L93 Difference]: Finished difference Result 32409 states and 53121 transitions. [2020-12-23 09:43:47,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:47,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2020-12-23 09:43:47,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:47,944 INFO L225 Difference]: With dead ends: 32409 [2020-12-23 09:43:47,944 INFO L226 Difference]: Without dead ends: 21675 [2020-12-23 09:43:47,962 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 09:43:47,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21675 states. [2020-12-23 09:43:48,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21675 to 18000. [2020-12-23 09:43:48,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18000 states. [2020-12-23 09:43:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18000 states to 18000 states and 29332 transitions. [2020-12-23 09:43:48,920 INFO L78 Accepts]: Start accepts. Automaton has 18000 states and 29332 transitions. Word has length 119 [2020-12-23 09:43:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:48,921 INFO L481 AbstractCegarLoop]: Abstraction has 18000 states and 29332 transitions. [2020-12-23 09:43:48,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:43:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 18000 states and 29332 transitions. [2020-12-23 09:43:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:43:48,923 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:48,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:48,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:43:48,924 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:48,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:48,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1370134705, now seen corresponding path program 1 times [2020-12-23 09:43:48,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:48,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500354387] [2020-12-23 09:43:48,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:49,055 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 09:43:49,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500354387] [2020-12-23 09:43:49,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:49,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:49,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942450978] [2020-12-23 09:43:49,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:49,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:49,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:49,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:49,058 INFO L87 Difference]: Start difference. First operand 18000 states and 29332 transitions. Second operand 4 states. [2020-12-23 09:43:50,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:50,354 INFO L93 Difference]: Finished difference Result 52867 states and 86391 transitions. [2020-12-23 09:43:50,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:50,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-12-23 09:43:50,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:50,449 INFO L225 Difference]: With dead ends: 52867 [2020-12-23 09:43:50,449 INFO L226 Difference]: Without dead ends: 35088 [2020-12-23 09:43:50,489 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 09:43:50,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35088 states. [2020-12-23 09:43:51,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35088 to 29437. [2020-12-23 09:43:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29437 states. [2020-12-23 09:43:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29437 states to 29437 states and 47781 transitions. [2020-12-23 09:43:51,980 INFO L78 Accepts]: Start accepts. Automaton has 29437 states and 47781 transitions. Word has length 120 [2020-12-23 09:43:51,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:51,981 INFO L481 AbstractCegarLoop]: Abstraction has 29437 states and 47781 transitions. [2020-12-23 09:43:51,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:43:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29437 states and 47781 transitions. [2020-12-23 09:43:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:43:51,984 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:51,984 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 09:43:51,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:43:51,984 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:51,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:51,985 INFO L82 PathProgramCache]: Analyzing trace with hash 2062872140, now seen corresponding path program 1 times [2020-12-23 09:43:51,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:51,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404887528] [2020-12-23 09:43:51,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:52,078 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 09:43:52,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404887528] [2020-12-23 09:43:52,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:52,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:52,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495947655] [2020-12-23 09:43:52,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:52,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:52,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:52,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:52,081 INFO L87 Difference]: Start difference. First operand 29437 states and 47781 transitions. Second operand 4 states. [2020-12-23 09:43:53,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:53,916 INFO L93 Difference]: Finished difference Result 85939 states and 139899 transitions. [2020-12-23 09:43:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:53,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:43:53,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:54,067 INFO L225 Difference]: With dead ends: 85939 [2020-12-23 09:43:54,068 INFO L226 Difference]: Without dead ends: 56723 [2020-12-23 09:43:54,111 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 09:43:54,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56723 states. [2020-12-23 09:43:55,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56723 to 47882. [2020-12-23 09:43:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47882 states. [2020-12-23 09:43:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47882 states to 47882 states and 77418 transitions. [2020-12-23 09:43:56,067 INFO L78 Accepts]: Start accepts. Automaton has 47882 states and 77418 transitions. Word has length 121 [2020-12-23 09:43:56,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:56,068 INFO L481 AbstractCegarLoop]: Abstraction has 47882 states and 77418 transitions. [2020-12-23 09:43:56,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:43:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 47882 states and 77418 transitions. [2020-12-23 09:43:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:43:56,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:56,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:56,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:43:56,070 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:56,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:56,071 INFO L82 PathProgramCache]: Analyzing trace with hash -2063066808, now seen corresponding path program 1 times [2020-12-23 09:43:56,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:56,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52699855] [2020-12-23 09:43:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:56,172 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 09:43:56,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52699855] [2020-12-23 09:43:56,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:56,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:56,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839975335] [2020-12-23 09:43:56,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:56,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:56,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:56,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:56,175 INFO L87 Difference]: Start difference. First operand 47882 states and 77418 transitions. Second operand 4 states. [2020-12-23 09:43:58,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:58,384 INFO L93 Difference]: Finished difference Result 137691 states and 223311 transitions. [2020-12-23 09:43:58,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:58,385 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-12-23 09:43:58,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:58,559 INFO L225 Difference]: With dead ends: 137691 [2020-12-23 09:43:58,559 INFO L226 Difference]: Without dead ends: 90030 [2020-12-23 09:43:58,835 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 09:43:58,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90030 states. [2020-12-23 09:44:01,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90030 to 76931. [2020-12-23 09:44:01,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76931 states. [2020-12-23 09:44:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76931 states to 76931 states and 123919 transitions. [2020-12-23 09:44:01,533 INFO L78 Accepts]: Start accepts. Automaton has 76931 states and 123919 transitions. Word has length 122 [2020-12-23 09:44:01,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:01,533 INFO L481 AbstractCegarLoop]: Abstraction has 76931 states and 123919 transitions. [2020-12-23 09:44:01,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:44:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 76931 states and 123919 transitions. [2020-12-23 09:44:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:44:01,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:01,535 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 09:44:01,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:44:01,536 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:01,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:01,536 INFO L82 PathProgramCache]: Analyzing trace with hash -548465248, now seen corresponding path program 1 times [2020-12-23 09:44:01,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:01,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148190812] [2020-12-23 09:44:01,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:01,773 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 09:44:01,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148190812] [2020-12-23 09:44:01,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:01,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:01,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262042581] [2020-12-23 09:44:01,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:01,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:01,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:01,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:01,776 INFO L87 Difference]: Start difference. First operand 76931 states and 123919 transitions. Second operand 6 states. [2020-12-23 09:44:02,018 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-23 09:44:04,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:04,767 INFO L93 Difference]: Finished difference Result 185505 states and 299631 transitions. [2020-12-23 09:44:04,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:44:04,767 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2020-12-23 09:44:04,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:04,967 INFO L225 Difference]: With dead ends: 185505 [2020-12-23 09:44:04,968 INFO L226 Difference]: Without dead ends: 108795 [2020-12-23 09:44:05,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:44:05,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108795 states. [2020-12-23 09:44:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108795 to 76931. [2020-12-23 09:44:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76931 states. [2020-12-23 09:44:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76931 states to 76931 states and 123294 transitions. [2020-12-23 09:44:07,773 INFO L78 Accepts]: Start accepts. Automaton has 76931 states and 123294 transitions. Word has length 124 [2020-12-23 09:44:07,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:07,774 INFO L481 AbstractCegarLoop]: Abstraction has 76931 states and 123294 transitions. [2020-12-23 09:44:07,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:44:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 76931 states and 123294 transitions. [2020-12-23 09:44:07,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:44:07,775 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:07,775 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] [2020-12-23 09:44:07,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:44:07,775 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:07,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:07,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1974939087, now seen corresponding path program 1 times [2020-12-23 09:44:07,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:07,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235052644] [2020-12-23 09:44:07,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:08,152 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 09:44:08,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235052644] [2020-12-23 09:44:08,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:08,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:08,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509638070] [2020-12-23 09:44:08,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:08,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:08,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:08,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:08,155 INFO L87 Difference]: Start difference. First operand 76931 states and 123294 transitions. Second operand 6 states. [2020-12-23 09:44:11,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:11,692 INFO L93 Difference]: Finished difference Result 221524 states and 356287 transitions. [2020-12-23 09:44:11,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:44:11,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2020-12-23 09:44:11,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:12,131 INFO L225 Difference]: With dead ends: 221524 [2020-12-23 09:44:12,132 INFO L226 Difference]: Without dead ends: 144814 [2020-12-23 09:44:12,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:44:12,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144814 states. [2020-12-23 09:44:16,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144814 to 144810. [2020-12-23 09:44:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144810 states. [2020-12-23 09:44:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144810 states to 144810 states and 231735 transitions. [2020-12-23 09:44:16,827 INFO L78 Accepts]: Start accepts. Automaton has 144810 states and 231735 transitions. Word has length 127 [2020-12-23 09:44:16,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:16,827 INFO L481 AbstractCegarLoop]: Abstraction has 144810 states and 231735 transitions. [2020-12-23 09:44:16,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:44:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 144810 states and 231735 transitions. [2020-12-23 09:44:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-23 09:44:16,829 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:16,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:44:16,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:44:16,829 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:16,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:16,830 INFO L82 PathProgramCache]: Analyzing trace with hash 662224137, now seen corresponding path program 1 times [2020-12-23 09:44:16,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:16,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043797994] [2020-12-23 09:44:16,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:17,006 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 09:44:17,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043797994] [2020-12-23 09:44:17,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:17,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:44:17,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639197423] [2020-12-23 09:44:17,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:44:17,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:17,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:44:17,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:44:17,009 INFO L87 Difference]: Start difference. First operand 144810 states and 231735 transitions. Second operand 8 states. [2020-12-23 09:44:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:25,029 INFO L93 Difference]: Finished difference Result 286433 states and 454081 transitions. [2020-12-23 09:44:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:44:25,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-12-23 09:44:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:25,600 INFO L225 Difference]: With dead ends: 286433 [2020-12-23 09:44:25,600 INFO L226 Difference]: Without dead ends: 286431 [2020-12-23 09:44:25,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-12-23 09:44:25,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286431 states. [2020-12-23 09:44:31,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286431 to 150750. [2020-12-23 09:44:31,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150750 states. [2020-12-23 09:44:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150750 states to 150750 states and 237648 transitions. [2020-12-23 09:44:32,563 INFO L78 Accepts]: Start accepts. Automaton has 150750 states and 237648 transitions. Word has length 128 [2020-12-23 09:44:32,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:32,564 INFO L481 AbstractCegarLoop]: Abstraction has 150750 states and 237648 transitions. [2020-12-23 09:44:32,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:44:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 150750 states and 237648 transitions. [2020-12-23 09:44:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 09:44:32,585 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:32,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:44:32,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:44:32,586 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:32,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:32,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1701810355, now seen corresponding path program 1 times [2020-12-23 09:44:32,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:32,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877104716] [2020-12-23 09:44:32,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:44:32,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877104716] [2020-12-23 09:44:32,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:32,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:32,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340716051] [2020-12-23 09:44:32,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:32,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:32,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:32,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:32,790 INFO L87 Difference]: Start difference. First operand 150750 states and 237648 transitions. Second operand 6 states. [2020-12-23 09:44:40,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:40,616 INFO L93 Difference]: Finished difference Result 281996 states and 450013 transitions. [2020-12-23 09:44:40,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:44:40,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-12-23 09:44:40,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:41,076 INFO L225 Difference]: With dead ends: 281996 [2020-12-23 09:44:41,076 INFO L226 Difference]: Without dead ends: 233970 [2020-12-23 09:44:41,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:44:41,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233970 states. [2020-12-23 09:44:48,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233970 to 191322. [2020-12-23 09:44:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191322 states. [2020-12-23 09:44:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191322 states to 191322 states and 302740 transitions. [2020-12-23 09:44:49,415 INFO L78 Accepts]: Start accepts. Automaton has 191322 states and 302740 transitions. Word has length 163 [2020-12-23 09:44:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:49,415 INFO L481 AbstractCegarLoop]: Abstraction has 191322 states and 302740 transitions. [2020-12-23 09:44:49,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:44:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 191322 states and 302740 transitions. [2020-12-23 09:44:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 09:44:49,450 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:49,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:44:49,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:44:49,451 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:49,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:49,452 INFO L82 PathProgramCache]: Analyzing trace with hash -666615827, now seen corresponding path program 1 times [2020-12-23 09:44:49,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:49,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489062997] [2020-12-23 09:44:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:44:49,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489062997] [2020-12-23 09:44:49,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:49,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:49,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083726480] [2020-12-23 09:44:49,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:49,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:49,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:49,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:49,659 INFO L87 Difference]: Start difference. First operand 191322 states and 302740 transitions. Second operand 6 states. [2020-12-23 09:44:58,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:58,031 INFO L93 Difference]: Finished difference Result 293624 states and 467955 transitions. [2020-12-23 09:44:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:44:58,031 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-12-23 09:44:58,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:58,560 INFO L225 Difference]: With dead ends: 293624 [2020-12-23 09:44:58,561 INFO L226 Difference]: Without dead ends: 252622 [2020-12-23 09:44:58,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:44:59,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252622 states. [2020-12-23 09:45:07,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252622 to 211314. [2020-12-23 09:45:07,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211314 states. [2020-12-23 09:45:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211314 states to 211314 states and 334560 transitions. [2020-12-23 09:45:07,891 INFO L78 Accepts]: Start accepts. Automaton has 211314 states and 334560 transitions. Word has length 163 [2020-12-23 09:45:07,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:07,892 INFO L481 AbstractCegarLoop]: Abstraction has 211314 states and 334560 transitions. [2020-12-23 09:45:07,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:45:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 211314 states and 334560 transitions. [2020-12-23 09:45:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 09:45:07,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:07,903 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:45:07,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:45:07,903 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:07,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:07,904 INFO L82 PathProgramCache]: Analyzing trace with hash 822278682, now seen corresponding path program 1 times [2020-12-23 09:45:07,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:07,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956890840] [2020-12-23 09:45:07,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:08,078 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 09:45:08,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956890840] [2020-12-23 09:45:08,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:08,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:45:08,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459819674] [2020-12-23 09:45:08,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:45:08,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:08,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:45:08,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:45:08,082 INFO L87 Difference]: Start difference. First operand 211314 states and 334560 transitions. Second operand 6 states. [2020-12-23 09:45:16,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:16,412 INFO L93 Difference]: Finished difference Result 285364 states and 454015 transitions. [2020-12-23 09:45:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:45:16,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-12-23 09:45:16,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:16,908 INFO L225 Difference]: With dead ends: 285364 [2020-12-23 09:45:16,909 INFO L226 Difference]: Without dead ends: 244362 [2020-12-23 09:45:16,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:45:17,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244362 states. [2020-12-23 09:45:27,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244362 to 231306. [2020-12-23 09:45:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231306 states. [2020-12-23 09:45:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231306 states to 231306 states and 366380 transitions. [2020-12-23 09:45:28,424 INFO L78 Accepts]: Start accepts. Automaton has 231306 states and 366380 transitions. Word has length 163 [2020-12-23 09:45:28,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:28,424 INFO L481 AbstractCegarLoop]: Abstraction has 231306 states and 366380 transitions. [2020-12-23 09:45:28,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:45:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 231306 states and 366380 transitions. [2020-12-23 09:45:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 09:45:28,435 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:28,435 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:45:28,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:45:28,436 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:28,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:28,436 INFO L82 PathProgramCache]: Analyzing trace with hash 93542074, now seen corresponding path program 1 times [2020-12-23 09:45:28,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:28,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687187626] [2020-12-23 09:45:28,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-23 09:45:28,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687187626] [2020-12-23 09:45:28,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:28,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:45:28,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407680006] [2020-12-23 09:45:28,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:45:28,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:28,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:45:28,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:45:28,616 INFO L87 Difference]: Start difference. First operand 231306 states and 366380 transitions. Second operand 6 states. [2020-12-23 09:45:38,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:38,758 INFO L93 Difference]: Finished difference Result 331088 states and 527503 transitions. [2020-12-23 09:45:38,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:45:38,758 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-12-23 09:45:38,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:39,355 INFO L225 Difference]: With dead ends: 331088 [2020-12-23 09:45:39,355 INFO L226 Difference]: Without dead ends: 290086 [2020-12-23 09:45:39,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:45:39,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290086 states. [2020-12-23 09:45:49,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290086 to 251298. [2020-12-23 09:45:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251298 states. [2020-12-23 09:45:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251298 states to 251298 states and 398200 transitions. [2020-12-23 09:45:50,864 INFO L78 Accepts]: Start accepts. Automaton has 251298 states and 398200 transitions. Word has length 163 [2020-12-23 09:45:50,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:50,865 INFO L481 AbstractCegarLoop]: Abstraction has 251298 states and 398200 transitions. [2020-12-23 09:45:50,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:45:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 251298 states and 398200 transitions. [2020-12-23 09:45:50,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-23 09:45:50,875 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:50,875 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:45:50,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:45:50,875 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:50,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:50,876 INFO L82 PathProgramCache]: Analyzing trace with hash -641215705, now seen corresponding path program 1 times [2020-12-23 09:45:50,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:50,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179459117] [2020-12-23 09:45:50,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:45:51,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179459117] [2020-12-23 09:45:51,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:51,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:45:51,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465570589] [2020-12-23 09:45:51,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:45:51,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:51,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:45:51,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:45:51,467 INFO L87 Difference]: Start difference. First operand 251298 states and 398200 transitions. Second operand 6 states. [2020-12-23 09:46:16,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:16,927 INFO L93 Difference]: Finished difference Result 740771 states and 1174209 transitions. [2020-12-23 09:46:16,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:46:16,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-12-23 09:46:16,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:18,627 INFO L225 Difference]: With dead ends: 740771 [2020-12-23 09:46:18,627 INFO L226 Difference]: Without dead ends: 609937 [2020-12-23 09:46:18,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:46:19,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609937 states. [2020-12-23 09:46:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609937 to 461180. [2020-12-23 09:46:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461180 states. [2020-12-23 09:46:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461180 states to 461180 states and 732863 transitions. [2020-12-23 09:46:45,576 INFO L78 Accepts]: Start accepts. Automaton has 461180 states and 732863 transitions. Word has length 164 [2020-12-23 09:46:45,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:45,577 INFO L481 AbstractCegarLoop]: Abstraction has 461180 states and 732863 transitions. [2020-12-23 09:46:45,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:46:45,577 INFO L276 IsEmpty]: Start isEmpty. Operand 461180 states and 732863 transitions. [2020-12-23 09:46:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-23 09:46:45,586 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:45,589 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:46:45,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:46:45,590 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:45,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:45,600 INFO L82 PathProgramCache]: Analyzing trace with hash 983847106, now seen corresponding path program 1 times [2020-12-23 09:46:45,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:45,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453298308] [2020-12-23 09:46:45,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:46:46,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453298308] [2020-12-23 09:46:46,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:46,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:46,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542014294] [2020-12-23 09:46:46,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:46,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:46,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:46,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:46,601 INFO L87 Difference]: Start difference. First operand 461180 states and 732863 transitions. Second operand 4 states. [2020-12-23 09:47:06,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:47:06,174 INFO L93 Difference]: Finished difference Result 647996 states and 1033392 transitions. [2020-12-23 09:47:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:47:06,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2020-12-23 09:47:06,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:47:07,450 INFO L225 Difference]: With dead ends: 647996 [2020-12-23 09:47:07,450 INFO L226 Difference]: Without dead ends: 461336 [2020-12-23 09:47:07,700 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 09:47:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461336 states.