/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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:59:55,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:59:55,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:59:55,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:59:55,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:59:55,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:59:55,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:59:55,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:59:55,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:59:55,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:59:55,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:59:55,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:59:55,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:59:55,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:59:55,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:59:55,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:59:55,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:59:55,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:59:55,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:59:55,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:59:55,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:59:55,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:59:55,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:59:55,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:59:55,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:59:55,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:59:55,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:59:55,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:59:55,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:59:55,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:59:55,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:59:55,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:59:55,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:59:55,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:59:55,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:59:55,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:59:55,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:59:55,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:59:55,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:59:55,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:59:55,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:59:55,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:59:55,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:59:55,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:59:55,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:59:55,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:59:55,473 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:59:55,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:59:55,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:59:55,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:59:55,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:59:55,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:59:55,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:59:55,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:59:55,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:59:55,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:59:55,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:59:55,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:59:55,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:59:55,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:59:55,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:59:55,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:59:55,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:59:55,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:59:55,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:59:55,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:59:55,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:59:55,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:59:55,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:59:55,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:59:55,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:59:55,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:59:55,958 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:59:55,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c [2021-01-06 19:59:56,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3b7000dc5/1ccf47f3fae042338ca283514f310590/FLAGeb26bede9 [2021-01-06 19:59:56,939 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:59:56,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c [2021-01-06 19:59:56,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3b7000dc5/1ccf47f3fae042338ca283514f310590/FLAGeb26bede9 [2021-01-06 19:59:57,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3b7000dc5/1ccf47f3fae042338ca283514f310590 [2021-01-06 19:59:57,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:59:57,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:59:57,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:59:57,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:59:57,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:59:57,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:57,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebfb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57, skipping insertion in model container [2021-01-06 19:59:57,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:57,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:59:57,306 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~newmax~1,] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~1,] 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[~newmax~1,] 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[~newmax~1,] left hand side expression in assignment: lhs: VariableLHS[~newmax2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~newmax~2,] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~2,] 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[~newmax~2,] 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[~newmax~2,] left hand side expression in assignment: lhs: VariableLHS[~newmax3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~newmax~3,] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~3,] 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[~newmax~3,] 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[~newmax~3,] left hand side expression in assignment: lhs: VariableLHS[~newmax4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r121~0,] left hand side expression in assignment: lhs: VariableLHS[~r131~0,] left hand side expression in assignment: lhs: VariableLHS[~r141~0,] left hand side expression in assignment: lhs: VariableLHS[~r211~0,] left hand side expression in assignment: lhs: VariableLHS[~r231~0,] left hand side expression in assignment: lhs: VariableLHS[~r241~0,] left hand side expression in assignment: lhs: VariableLHS[~r311~0,] left hand side expression in assignment: lhs: VariableLHS[~r321~0,] left hand side expression in assignment: lhs: VariableLHS[~r341~0,] left hand side expression in assignment: lhs: VariableLHS[~r411~0,] left hand side expression in assignment: lhs: VariableLHS[~r421~0,] left hand side expression in assignment: lhs: VariableLHS[~r431~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~r122~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~r132~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~r142~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~r212~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~r232~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~r242~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~r312~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~r322~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~r342~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~r412~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~r422~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~r432~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~r123~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~r133~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~r143~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~r213~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~r233~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~r243~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~r313~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~r323~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~r343~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~r413~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~r423~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~r433~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: 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[~newmax1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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,] [2021-01-06 19:59:57,748 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c[31172,31185] [2021-01-06 19:59:57,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:59:57,781 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~0,] left hand side expression in assignment: lhs: VariableLHS[~newmax1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~newmax~1,] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~1,] 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[~newmax~1,] 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[~newmax~1,] left hand side expression in assignment: lhs: VariableLHS[~newmax2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~newmax~2,] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~2,] 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[~newmax~2,] 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[~newmax~2,] left hand side expression in assignment: lhs: VariableLHS[~newmax3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~newmax~3,] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax~3,] 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[~newmax~3,] 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[~newmax~3,] left hand side expression in assignment: lhs: VariableLHS[~newmax4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r121~0,] left hand side expression in assignment: lhs: VariableLHS[~r131~0,] left hand side expression in assignment: lhs: VariableLHS[~r141~0,] left hand side expression in assignment: lhs: VariableLHS[~r211~0,] left hand side expression in assignment: lhs: VariableLHS[~r231~0,] left hand side expression in assignment: lhs: VariableLHS[~r241~0,] left hand side expression in assignment: lhs: VariableLHS[~r311~0,] left hand side expression in assignment: lhs: VariableLHS[~r321~0,] left hand side expression in assignment: lhs: VariableLHS[~r341~0,] left hand side expression in assignment: lhs: VariableLHS[~r411~0,] left hand side expression in assignment: lhs: VariableLHS[~r421~0,] left hand side expression in assignment: lhs: VariableLHS[~r431~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~r122~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~r132~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~r142~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~r212~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~r232~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~r242~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~r312~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~r322~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~r342~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~r412~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~r422~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~r432~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~r123~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~r133~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~r143~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~r213~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~r233~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~r243~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~r313~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~r323~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~r343~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~r413~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~r423~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~r433~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: 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[~newmax1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~newmax4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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,] [2021-01-06 19:59:57,960 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c[31172,31185] [2021-01-06 19:59:57,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:59:57,986 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:59:57,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57 WrapperNode [2021-01-06 19:59:57,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:59:57,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:59:57,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:59:57,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:59:58,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:59:58,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:59:58,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:59:58,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:59:58,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... [2021-01-06 19:59:58,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:59:58,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:59:58,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:59:58,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:59:58,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:59:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:59:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:59:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:59:58,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:59:59,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:59:59,841 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-01-06 19:59:59,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:59:59 BoogieIcfgContainer [2021-01-06 19:59:59,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:59:59,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:59:59,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:59:59,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:59:59,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:59:57" (1/3) ... [2021-01-06 19:59:59,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1693c00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:59:59, skipping insertion in model container [2021-01-06 19:59:59,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:59:57" (2/3) ... [2021-01-06 19:59:59,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1693c00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:59:59, skipping insertion in model container [2021-01-06 19:59:59,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:59:59" (3/3) ... [2021-01-06 19:59:59,856 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c [2021-01-06 19:59:59,864 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:59:59,875 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 19:59:59,927 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 19:59:59,991 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:59:59,991 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:59:59,991 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:59:59,992 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:59:59,992 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:59:59,992 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:59:59,992 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:59:59,992 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:00:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2021-01-06 20:00:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 20:00:00,042 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:00,043 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] [2021-01-06 20:00:00,044 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:00,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:00,051 INFO L82 PathProgramCache]: Analyzing trace with hash -196336848, now seen corresponding path program 1 times [2021-01-06 20:00:00,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:00,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285996944] [2021-01-06 20:00:00,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:00,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285996944] [2021-01-06 20:00:00,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:00,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 20:00:00,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194282728] [2021-01-06 20:00:00,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 20:00:00,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:00,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 20:00:00,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 20:00:00,606 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 2 states. [2021-01-06 20:00:00,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:00,679 INFO L93 Difference]: Finished difference Result 463 states and 821 transitions. [2021-01-06 20:00:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 20:00:00,680 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 77 [2021-01-06 20:00:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:00,700 INFO L225 Difference]: With dead ends: 463 [2021-01-06 20:00:00,701 INFO L226 Difference]: Without dead ends: 327 [2021-01-06 20:00:00,707 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 [2021-01-06 20:00:00,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-01-06 20:00:00,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2021-01-06 20:00:00,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2021-01-06 20:00:00,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 586 transitions. [2021-01-06 20:00:00,794 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 586 transitions. Word has length 77 [2021-01-06 20:00:00,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:00,795 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 586 transitions. [2021-01-06 20:00:00,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 20:00:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 586 transitions. [2021-01-06 20:00:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 20:00:00,801 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:00,801 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] [2021-01-06 20:00:00,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:00:00,802 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:00,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:00,803 INFO L82 PathProgramCache]: Analyzing trace with hash -330350354, now seen corresponding path program 1 times [2021-01-06 20:00:00,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:00,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841585086] [2021-01-06 20:00:00,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:01,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841585086] [2021-01-06 20:00:01,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:01,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:00:01,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600034079] [2021-01-06 20:00:01,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:00:01,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:01,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:00:01,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:00:01,058 INFO L87 Difference]: Start difference. First operand 327 states and 586 transitions. Second operand 5 states. [2021-01-06 20:00:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:01,246 INFO L93 Difference]: Finished difference Result 462 states and 814 transitions. [2021-01-06 20:00:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:00:01,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2021-01-06 20:00:01,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:01,255 INFO L225 Difference]: With dead ends: 462 [2021-01-06 20:00:01,256 INFO L226 Difference]: Without dead ends: 327 [2021-01-06 20:00:01,262 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 [2021-01-06 20:00:01,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-01-06 20:00:01,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2021-01-06 20:00:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2021-01-06 20:00:01,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 540 transitions. [2021-01-06 20:00:01,311 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 540 transitions. Word has length 77 [2021-01-06 20:00:01,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:01,311 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 540 transitions. [2021-01-06 20:00:01,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:00:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 540 transitions. [2021-01-06 20:00:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 20:00:01,325 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:01,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:01,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:00:01,326 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:01,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:01,327 INFO L82 PathProgramCache]: Analyzing trace with hash -550758364, now seen corresponding path program 1 times [2021-01-06 20:00:01,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:01,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172313472] [2021-01-06 20:00:01,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:01,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172313472] [2021-01-06 20:00:01,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:01,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:01,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396131345] [2021-01-06 20:00:01,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:01,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:01,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:01,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:01,613 INFO L87 Difference]: Start difference. First operand 327 states and 540 transitions. Second operand 3 states. [2021-01-06 20:00:01,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:01,687 INFO L93 Difference]: Finished difference Result 577 states and 966 transitions. [2021-01-06 20:00:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:01,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2021-01-06 20:00:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:01,692 INFO L225 Difference]: With dead ends: 577 [2021-01-06 20:00:01,692 INFO L226 Difference]: Without dead ends: 446 [2021-01-06 20:00:01,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:01,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-01-06 20:00:01,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 443. [2021-01-06 20:00:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 20:00:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 734 transitions. [2021-01-06 20:00:01,715 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 734 transitions. Word has length 122 [2021-01-06 20:00:01,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:01,716 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 734 transitions. [2021-01-06 20:00:01,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 734 transitions. [2021-01-06 20:00:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 20:00:01,719 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:01,719 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] [2021-01-06 20:00:01,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:00:01,720 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:01,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:01,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1222100528, now seen corresponding path program 1 times [2021-01-06 20:00:01,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:01,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29914554] [2021-01-06 20:00:01,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:01,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:01,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29914554] [2021-01-06 20:00:01,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:01,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:01,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370122801] [2021-01-06 20:00:01,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:01,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:01,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:01,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:01,872 INFO L87 Difference]: Start difference. First operand 443 states and 734 transitions. Second operand 3 states. [2021-01-06 20:00:01,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:01,926 INFO L93 Difference]: Finished difference Result 917 states and 1534 transitions. [2021-01-06 20:00:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:01,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2021-01-06 20:00:01,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:01,932 INFO L225 Difference]: With dead ends: 917 [2021-01-06 20:00:01,932 INFO L226 Difference]: Without dead ends: 670 [2021-01-06 20:00:01,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2021-01-06 20:00:01,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 666. [2021-01-06 20:00:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2021-01-06 20:00:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1109 transitions. [2021-01-06 20:00:01,963 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1109 transitions. Word has length 125 [2021-01-06 20:00:01,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:01,964 INFO L481 AbstractCegarLoop]: Abstraction has 666 states and 1109 transitions. [2021-01-06 20:00:01,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1109 transitions. [2021-01-06 20:00:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-01-06 20:00:01,966 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:01,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:01,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:00:01,967 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:01,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:01,968 INFO L82 PathProgramCache]: Analyzing trace with hash -116041787, now seen corresponding path program 1 times [2021-01-06 20:00:01,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:01,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619801173] [2021-01-06 20:00:01,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:02,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:02,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619801173] [2021-01-06 20:00:02,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:02,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:02,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298580424] [2021-01-06 20:00:02,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:02,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:02,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:02,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:02,183 INFO L87 Difference]: Start difference. First operand 666 states and 1109 transitions. Second operand 3 states. [2021-01-06 20:00:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:02,259 INFO L93 Difference]: Finished difference Result 1566 states and 2623 transitions. [2021-01-06 20:00:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:02,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2021-01-06 20:00:02,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:02,269 INFO L225 Difference]: With dead ends: 1566 [2021-01-06 20:00:02,269 INFO L226 Difference]: Without dead ends: 1096 [2021-01-06 20:00:02,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:02,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2021-01-06 20:00:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1090. [2021-01-06 20:00:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2021-01-06 20:00:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1817 transitions. [2021-01-06 20:00:02,324 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1817 transitions. Word has length 128 [2021-01-06 20:00:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:02,325 INFO L481 AbstractCegarLoop]: Abstraction has 1090 states and 1817 transitions. [2021-01-06 20:00:02,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1817 transitions. [2021-01-06 20:00:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-01-06 20:00:02,331 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:02,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:02,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:00:02,331 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:02,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:02,332 INFO L82 PathProgramCache]: Analyzing trace with hash 655173041, now seen corresponding path program 1 times [2021-01-06 20:00:02,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:02,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178907170] [2021-01-06 20:00:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:02,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178907170] [2021-01-06 20:00:02,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:02,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:02,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75320144] [2021-01-06 20:00:02,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:02,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:02,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:02,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:02,511 INFO L87 Difference]: Start difference. First operand 1090 states and 1817 transitions. Second operand 3 states. [2021-01-06 20:00:02,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:02,590 INFO L93 Difference]: Finished difference Result 2798 states and 4675 transitions. [2021-01-06 20:00:02,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:02,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2021-01-06 20:00:02,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:02,602 INFO L225 Difference]: With dead ends: 2798 [2021-01-06 20:00:02,603 INFO L226 Difference]: Without dead ends: 1904 [2021-01-06 20:00:02,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:02,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2021-01-06 20:00:02,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1894. [2021-01-06 20:00:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1894 states. [2021-01-06 20:00:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 3149 transitions. [2021-01-06 20:00:02,700 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 3149 transitions. Word has length 131 [2021-01-06 20:00:02,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:02,700 INFO L481 AbstractCegarLoop]: Abstraction has 1894 states and 3149 transitions. [2021-01-06 20:00:02,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 3149 transitions. [2021-01-06 20:00:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-01-06 20:00:02,704 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:02,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:02,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:00:02,705 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:02,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:02,707 INFO L82 PathProgramCache]: Analyzing trace with hash 455457894, now seen corresponding path program 1 times [2021-01-06 20:00:02,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:02,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315346545] [2021-01-06 20:00:02,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:03,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315346545] [2021-01-06 20:00:03,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:03,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:00:03,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475362836] [2021-01-06 20:00:03,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:00:03,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:03,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:00:03,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:00:03,115 INFO L87 Difference]: Start difference. First operand 1894 states and 3149 transitions. Second operand 6 states. [2021-01-06 20:00:03,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:03,461 INFO L93 Difference]: Finished difference Result 7128 states and 11958 transitions. [2021-01-06 20:00:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:00:03,461 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2021-01-06 20:00:03,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:03,494 INFO L225 Difference]: With dead ends: 7128 [2021-01-06 20:00:03,494 INFO L226 Difference]: Without dead ends: 5430 [2021-01-06 20:00:03,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:00:03,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5430 states. [2021-01-06 20:00:03,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5430 to 3479. [2021-01-06 20:00:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3479 states. [2021-01-06 20:00:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3479 states to 3479 states and 5791 transitions. [2021-01-06 20:00:03,669 INFO L78 Accepts]: Start accepts. Automaton has 3479 states and 5791 transitions. Word has length 134 [2021-01-06 20:00:03,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:03,669 INFO L481 AbstractCegarLoop]: Abstraction has 3479 states and 5791 transitions. [2021-01-06 20:00:03,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:00:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3479 states and 5791 transitions. [2021-01-06 20:00:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-01-06 20:00:03,674 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:03,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:03,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:00:03,675 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:03,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:03,675 INFO L82 PathProgramCache]: Analyzing trace with hash -860313711, now seen corresponding path program 1 times [2021-01-06 20:00:03,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:03,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7207252] [2021-01-06 20:00:03,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:03,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7207252] [2021-01-06 20:00:03,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:03,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:00:03,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048063914] [2021-01-06 20:00:03,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:00:03,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:03,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:00:03,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:00:03,948 INFO L87 Difference]: Start difference. First operand 3479 states and 5791 transitions. Second operand 4 states. [2021-01-06 20:00:04,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:04,200 INFO L93 Difference]: Finished difference Result 10270 states and 17204 transitions. [2021-01-06 20:00:04,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:00:04,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2021-01-06 20:00:04,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:04,239 INFO L225 Difference]: With dead ends: 10270 [2021-01-06 20:00:04,239 INFO L226 Difference]: Without dead ends: 6987 [2021-01-06 20:00:04,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:00:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6987 states. [2021-01-06 20:00:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6987 to 5168. [2021-01-06 20:00:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5168 states. [2021-01-06 20:00:04,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 8619 transitions. [2021-01-06 20:00:04,522 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 8619 transitions. Word has length 135 [2021-01-06 20:00:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:04,523 INFO L481 AbstractCegarLoop]: Abstraction has 5168 states and 8619 transitions. [2021-01-06 20:00:04,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:00:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 8619 transitions. [2021-01-06 20:00:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-01-06 20:00:04,527 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:04,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:04,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:00:04,528 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:04,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:04,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1469443837, now seen corresponding path program 1 times [2021-01-06 20:00:04,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:04,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630540883] [2021-01-06 20:00:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:04,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:04,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630540883] [2021-01-06 20:00:04,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:04,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:00:04,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002056026] [2021-01-06 20:00:04,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:00:04,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:04,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:00:04,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:00:04,760 INFO L87 Difference]: Start difference. First operand 5168 states and 8619 transitions. Second operand 4 states. [2021-01-06 20:00:05,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:05,187 INFO L93 Difference]: Finished difference Result 15356 states and 25688 transitions. [2021-01-06 20:00:05,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:00:05,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2021-01-06 20:00:05,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:05,250 INFO L225 Difference]: With dead ends: 15356 [2021-01-06 20:00:05,251 INFO L226 Difference]: Without dead ends: 10384 [2021-01-06 20:00:05,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:00:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10384 states. [2021-01-06 20:00:05,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10384 to 7654. [2021-01-06 20:00:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7654 states. [2021-01-06 20:00:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7654 states to 7654 states and 12751 transitions. [2021-01-06 20:00:05,633 INFO L78 Accepts]: Start accepts. Automaton has 7654 states and 12751 transitions. Word has length 136 [2021-01-06 20:00:05,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:05,633 INFO L481 AbstractCegarLoop]: Abstraction has 7654 states and 12751 transitions. [2021-01-06 20:00:05,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:00:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 7654 states and 12751 transitions. [2021-01-06 20:00:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-01-06 20:00:05,639 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:05,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:05,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:00:05,640 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:05,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:05,640 INFO L82 PathProgramCache]: Analyzing trace with hash 846488136, now seen corresponding path program 1 times [2021-01-06 20:00:05,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:05,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579899119] [2021-01-06 20:00:05,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:05,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579899119] [2021-01-06 20:00:05,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:05,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:00:05,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383334685] [2021-01-06 20:00:05,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:00:05,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:05,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:00:05,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:00:05,870 INFO L87 Difference]: Start difference. First operand 7654 states and 12751 transitions. Second operand 4 states. [2021-01-06 20:00:06,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:06,308 INFO L93 Difference]: Finished difference Result 22512 states and 37612 transitions. [2021-01-06 20:00:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:00:06,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2021-01-06 20:00:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:06,352 INFO L225 Difference]: With dead ends: 22512 [2021-01-06 20:00:06,353 INFO L226 Difference]: Without dead ends: 15054 [2021-01-06 20:00:06,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:00:06,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15054 states. [2021-01-06 20:00:06,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15054 to 11320. [2021-01-06 20:00:06,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11320 states. [2021-01-06 20:00:06,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11320 states to 11320 states and 18835 transitions. [2021-01-06 20:00:06,984 INFO L78 Accepts]: Start accepts. Automaton has 11320 states and 18835 transitions. Word has length 137 [2021-01-06 20:00:06,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:06,985 INFO L481 AbstractCegarLoop]: Abstraction has 11320 states and 18835 transitions. [2021-01-06 20:00:06,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:00:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 11320 states and 18835 transitions. [2021-01-06 20:00:06,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-01-06 20:00:06,991 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:06,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:06,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:00:06,992 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:06,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:06,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1116265068, now seen corresponding path program 1 times [2021-01-06 20:00:06,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:06,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065140818] [2021-01-06 20:00:06,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:07,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065140818] [2021-01-06 20:00:07,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:07,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:00:07,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673942419] [2021-01-06 20:00:07,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:00:07,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:07,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:00:07,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:00:07,207 INFO L87 Difference]: Start difference. First operand 11320 states and 18835 transitions. Second operand 4 states. [2021-01-06 20:00:07,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:07,739 INFO L93 Difference]: Finished difference Result 34076 states and 56840 transitions. [2021-01-06 20:00:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:00:07,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2021-01-06 20:00:07,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:07,807 INFO L225 Difference]: With dead ends: 34076 [2021-01-06 20:00:07,807 INFO L226 Difference]: Without dead ends: 22952 [2021-01-06 20:00:07,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:00:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22952 states. [2021-01-06 20:00:08,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22952 to 16656. [2021-01-06 20:00:08,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16656 states. [2021-01-06 20:00:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16656 states to 16656 states and 27677 transitions. [2021-01-06 20:00:08,652 INFO L78 Accepts]: Start accepts. Automaton has 16656 states and 27677 transitions. Word has length 138 [2021-01-06 20:00:08,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:08,653 INFO L481 AbstractCegarLoop]: Abstraction has 16656 states and 27677 transitions. [2021-01-06 20:00:08,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:00:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 16656 states and 27677 transitions. [2021-01-06 20:00:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-01-06 20:00:08,659 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:08,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:08,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:00:08,660 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:08,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:08,661 INFO L82 PathProgramCache]: Analyzing trace with hash -397139727, now seen corresponding path program 1 times [2021-01-06 20:00:08,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:08,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654229850] [2021-01-06 20:00:08,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:08,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654229850] [2021-01-06 20:00:08,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:08,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:08,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425772633] [2021-01-06 20:00:08,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:08,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:08,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:08,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:08,776 INFO L87 Difference]: Start difference. First operand 16656 states and 27677 transitions. Second operand 3 states. [2021-01-06 20:00:09,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:09,570 INFO L93 Difference]: Finished difference Result 37966 states and 63047 transitions. [2021-01-06 20:00:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:09,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2021-01-06 20:00:09,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:09,648 INFO L225 Difference]: With dead ends: 37966 [2021-01-06 20:00:09,648 INFO L226 Difference]: Without dead ends: 26336 [2021-01-06 20:00:09,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:09,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26336 states. [2021-01-06 20:00:10,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26336 to 26334. [2021-01-06 20:00:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26334 states. [2021-01-06 20:00:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26334 states to 26334 states and 43507 transitions. [2021-01-06 20:00:10,718 INFO L78 Accepts]: Start accepts. Automaton has 26334 states and 43507 transitions. Word has length 138 [2021-01-06 20:00:10,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:10,719 INFO L481 AbstractCegarLoop]: Abstraction has 26334 states and 43507 transitions. [2021-01-06 20:00:10,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:10,719 INFO L276 IsEmpty]: Start isEmpty. Operand 26334 states and 43507 transitions. [2021-01-06 20:00:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-01-06 20:00:10,724 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:10,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:10,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:00:10,725 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:10,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:10,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1906561851, now seen corresponding path program 1 times [2021-01-06 20:00:10,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:10,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26561329] [2021-01-06 20:00:10,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:10,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26561329] [2021-01-06 20:00:10,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:10,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:10,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912463879] [2021-01-06 20:00:10,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:10,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:10,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:10,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:10,822 INFO L87 Difference]: Start difference. First operand 26334 states and 43507 transitions. Second operand 3 states. [2021-01-06 20:00:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:12,082 INFO L93 Difference]: Finished difference Result 57932 states and 95841 transitions. [2021-01-06 20:00:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:12,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2021-01-06 20:00:12,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:12,206 INFO L225 Difference]: With dead ends: 57932 [2021-01-06 20:00:12,207 INFO L226 Difference]: Without dead ends: 39738 [2021-01-06 20:00:12,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:12,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39738 states. [2021-01-06 20:00:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39738 to 39736. [2021-01-06 20:00:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39736 states. [2021-01-06 20:00:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39736 states to 39736 states and 65427 transitions. [2021-01-06 20:00:13,850 INFO L78 Accepts]: Start accepts. Automaton has 39736 states and 65427 transitions. Word has length 138 [2021-01-06 20:00:13,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:13,850 INFO L481 AbstractCegarLoop]: Abstraction has 39736 states and 65427 transitions. [2021-01-06 20:00:13,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 39736 states and 65427 transitions. [2021-01-06 20:00:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-01-06 20:00:13,855 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:13,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:13,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:00:13,856 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:13,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:13,857 INFO L82 PathProgramCache]: Analyzing trace with hash 968808881, now seen corresponding path program 1 times [2021-01-06 20:00:13,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:13,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419240534] [2021-01-06 20:00:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:13,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419240534] [2021-01-06 20:00:13,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:13,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:13,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793494821] [2021-01-06 20:00:13,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:13,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:13,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:13,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:13,958 INFO L87 Difference]: Start difference. First operand 39736 states and 65427 transitions. Second operand 3 states. [2021-01-06 20:00:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:15,389 INFO L93 Difference]: Finished difference Result 87708 states and 144475 transitions. [2021-01-06 20:00:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:15,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2021-01-06 20:00:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:15,601 INFO L225 Difference]: With dead ends: 87708 [2021-01-06 20:00:15,601 INFO L226 Difference]: Without dead ends: 59888 [2021-01-06 20:00:15,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:15,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59888 states. [2021-01-06 20:00:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59888 to 59886. [2021-01-06 20:00:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59886 states. [2021-01-06 20:00:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59886 states to 59886 states and 98095 transitions. [2021-01-06 20:00:17,783 INFO L78 Accepts]: Start accepts. Automaton has 59886 states and 98095 transitions. Word has length 138 [2021-01-06 20:00:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:17,784 INFO L481 AbstractCegarLoop]: Abstraction has 59886 states and 98095 transitions. [2021-01-06 20:00:17,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 59886 states and 98095 transitions. [2021-01-06 20:00:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-01-06 20:00:17,786 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:17,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:17,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 20:00:17,787 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:17,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:17,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1444659835, now seen corresponding path program 1 times [2021-01-06 20:00:17,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:17,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494548812] [2021-01-06 20:00:17,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:17,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494548812] [2021-01-06 20:00:17,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:17,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:17,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966111367] [2021-01-06 20:00:17,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:17,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:17,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:17,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:17,890 INFO L87 Difference]: Start difference. First operand 59886 states and 98095 transitions. Second operand 3 states. [2021-01-06 20:00:19,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:19,652 INFO L93 Difference]: Finished difference Result 133055 states and 218966 transitions. [2021-01-06 20:00:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:19,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2021-01-06 20:00:19,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:19,871 INFO L225 Difference]: With dead ends: 133055 [2021-01-06 20:00:19,872 INFO L226 Difference]: Without dead ends: 90317 [2021-01-06 20:00:19,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:20,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90317 states. [2021-01-06 20:00:22,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90317 to 90315. [2021-01-06 20:00:22,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90315 states. [2021-01-06 20:00:22,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90315 states to 90315 states and 147458 transitions. [2021-01-06 20:00:22,667 INFO L78 Accepts]: Start accepts. Automaton has 90315 states and 147458 transitions. Word has length 138 [2021-01-06 20:00:22,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:22,667 INFO L481 AbstractCegarLoop]: Abstraction has 90315 states and 147458 transitions. [2021-01-06 20:00:22,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 90315 states and 147458 transitions. [2021-01-06 20:00:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-01-06 20:00:22,670 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:22,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:22,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 20:00:22,671 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:22,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:22,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1205053460, now seen corresponding path program 1 times [2021-01-06 20:00:22,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:22,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740691644] [2021-01-06 20:00:22,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:23,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740691644] [2021-01-06 20:00:23,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:23,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:00:23,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288899637] [2021-01-06 20:00:23,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:00:23,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:23,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:00:23,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:00:23,241 INFO L87 Difference]: Start difference. First operand 90315 states and 147458 transitions. Second operand 4 states. [2021-01-06 20:00:26,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:26,876 INFO L93 Difference]: Finished difference Result 268361 states and 437908 transitions. [2021-01-06 20:00:26,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:00:26,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-01-06 20:00:26,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:27,233 INFO L225 Difference]: With dead ends: 268361 [2021-01-06 20:00:27,233 INFO L226 Difference]: Without dead ends: 178057 [2021-01-06 20:00:27,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:00:27,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178057 states. [2021-01-06 20:00:32,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178057 to 178055. [2021-01-06 20:00:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178055 states. [2021-01-06 20:00:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178055 states to 178055 states and 289292 transitions. [2021-01-06 20:00:32,914 INFO L78 Accepts]: Start accepts. Automaton has 178055 states and 289292 transitions. Word has length 140 [2021-01-06 20:00:32,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:32,915 INFO L481 AbstractCegarLoop]: Abstraction has 178055 states and 289292 transitions. [2021-01-06 20:00:32,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:00:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 178055 states and 289292 transitions. [2021-01-06 20:00:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-01-06 20:00:32,936 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:32,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:32,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 20:00:32,937 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:32,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:32,938 INFO L82 PathProgramCache]: Analyzing trace with hash -38716708, now seen corresponding path program 1 times [2021-01-06 20:00:32,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:32,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188263460] [2021-01-06 20:00:32,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:33,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188263460] [2021-01-06 20:00:33,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:33,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:33,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114400402] [2021-01-06 20:00:33,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:33,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:33,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:33,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:33,050 INFO L87 Difference]: Start difference. First operand 178055 states and 289292 transitions. Second operand 3 states. [2021-01-06 20:00:38,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:38,329 INFO L93 Difference]: Finished difference Result 432222 states and 705318 transitions. [2021-01-06 20:00:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:38,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2021-01-06 20:00:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:38,919 INFO L225 Difference]: With dead ends: 432222 [2021-01-06 20:00:38,919 INFO L226 Difference]: Without dead ends: 254565 [2021-01-06 20:00:39,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:39,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254565 states. [2021-01-06 20:00:45,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254565 to 246049. [2021-01-06 20:00:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246049 states. [2021-01-06 20:00:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246049 states to 246049 states and 398035 transitions. [2021-01-06 20:00:46,599 INFO L78 Accepts]: Start accepts. Automaton has 246049 states and 398035 transitions. Word has length 141 [2021-01-06 20:00:46,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:00:46,600 INFO L481 AbstractCegarLoop]: Abstraction has 246049 states and 398035 transitions. [2021-01-06 20:00:46,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:00:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 246049 states and 398035 transitions. [2021-01-06 20:00:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-01-06 20:00:46,601 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:00:46,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:00:46,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 20:00:46,602 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:00:46,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:00:46,603 INFO L82 PathProgramCache]: Analyzing trace with hash 168060510, now seen corresponding path program 1 times [2021-01-06 20:00:46,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:00:46,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286113234] [2021-01-06 20:00:46,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:00:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:00:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:00:46,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286113234] [2021-01-06 20:00:46,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:00:46,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:00:46,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490873180] [2021-01-06 20:00:46,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:00:46,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:00:46,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:00:46,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:46,676 INFO L87 Difference]: Start difference. First operand 246049 states and 398035 transitions. Second operand 3 states. [2021-01-06 20:00:56,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:00:56,647 INFO L93 Difference]: Finished difference Result 738110 states and 1194042 transitions. [2021-01-06 20:00:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:00:56,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2021-01-06 20:00:56,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:00:57,794 INFO L225 Difference]: With dead ends: 738110 [2021-01-06 20:00:57,794 INFO L226 Difference]: Without dead ends: 492082 [2021-01-06 20:00:58,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:00:58,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492082 states. [2021-01-06 20:01:07,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492082 to 246062. [2021-01-06 20:01:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246062 states. [2021-01-06 20:01:08,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246062 states to 246062 states and 398054 transitions. [2021-01-06 20:01:08,459 INFO L78 Accepts]: Start accepts. Automaton has 246062 states and 398054 transitions. Word has length 142 [2021-01-06 20:01:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:01:08,460 INFO L481 AbstractCegarLoop]: Abstraction has 246062 states and 398054 transitions. [2021-01-06 20:01:08,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:01:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 246062 states and 398054 transitions. [2021-01-06 20:01:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-01-06 20:01:08,462 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:01:08,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:01:08,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 20:01:08,462 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:01:08,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:01:08,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1852226887, now seen corresponding path program 1 times [2021-01-06 20:01:08,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:01:08,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664729134] [2021-01-06 20:01:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:01:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:01:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:01:09,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664729134] [2021-01-06 20:01:09,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:01:09,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:01:09,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249789136] [2021-01-06 20:01:09,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:01:09,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:01:09,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:01:09,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:01:09,047 INFO L87 Difference]: Start difference. First operand 246062 states and 398054 transitions. Second operand 3 states. [2021-01-06 20:01:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:01:21,148 INFO L93 Difference]: Finished difference Result 730829 states and 1181447 transitions. [2021-01-06 20:01:21,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:01:21,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2021-01-06 20:01:21,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:01:22,687 INFO L225 Difference]: With dead ends: 730829 [2021-01-06 20:01:22,687 INFO L226 Difference]: Without dead ends: 484905 [2021-01-06 20:01:23,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:01:23,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484905 states. [2021-01-06 20:01:37,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484905 to 484903. [2021-01-06 20:01:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484903 states. [2021-01-06 20:01:39,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484903 states to 484903 states and 780343 transitions. [2021-01-06 20:01:39,271 INFO L78 Accepts]: Start accepts. Automaton has 484903 states and 780343 transitions. Word has length 142 [2021-01-06 20:01:39,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:01:39,271 INFO L481 AbstractCegarLoop]: Abstraction has 484903 states and 780343 transitions. [2021-01-06 20:01:39,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:01:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 484903 states and 780343 transitions. [2021-01-06 20:01:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-01-06 20:01:39,275 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:01:39,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:01:39,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 20:01:39,275 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:01:39,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:01:39,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1530807031, now seen corresponding path program 1 times [2021-01-06 20:01:39,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:01:39,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709806768] [2021-01-06 20:01:39,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:01:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:01:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:01:39,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709806768] [2021-01-06 20:01:39,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:01:39,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:01:39,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582314011] [2021-01-06 20:01:39,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:01:39,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:01:39,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:01:39,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:01:39,563 INFO L87 Difference]: Start difference. First operand 484903 states and 780343 transitions. Second operand 4 states. [2021-01-06 20:02:03,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:02:03,975 INFO L93 Difference]: Finished difference Result 1441582 states and 2320410 transitions. [2021-01-06 20:02:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:02:03,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2021-01-06 20:02:03,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:02:06,551 INFO L225 Difference]: With dead ends: 1441582 [2021-01-06 20:02:06,552 INFO L226 Difference]: Without dead ends: 956716 [2021-01-06 20:02:07,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:02:08,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956716 states. [2021-01-06 20:02:48,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956716 to 956714. [2021-01-06 20:02:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 956714 states. [2021-01-06 20:02:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956714 states to 956714 states and 1532770 transitions. [2021-01-06 20:02:55,900 INFO L78 Accepts]: Start accepts. Automaton has 956714 states and 1532770 transitions. Word has length 143 [2021-01-06 20:02:55,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:02:55,910 INFO L481 AbstractCegarLoop]: Abstraction has 956714 states and 1532770 transitions. [2021-01-06 20:02:55,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:02:55,910 INFO L276 IsEmpty]: Start isEmpty. Operand 956714 states and 1532770 transitions. [2021-01-06 20:02:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-01-06 20:02:55,916 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:02:55,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:02:55,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 20:02:55,916 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:02:55,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:02:55,919 INFO L82 PathProgramCache]: Analyzing trace with hash -559970864, now seen corresponding path program 1 times [2021-01-06 20:02:55,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:02:55,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820603692] [2021-01-06 20:02:55,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:02:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:02:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:02:55,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820603692] [2021-01-06 20:02:55,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:02:55,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:02:55,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234577703] [2021-01-06 20:02:55,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:02:55,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:02:55,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:02:55,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:02:55,988 INFO L87 Difference]: Start difference. First operand 956714 states and 1532770 transitions. Second operand 3 states.